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Perfect-World

以無法為有法,以無限為有限!

 
 
 

日志

 
 

HCNE题库(包含答案)  

2013-04-06 18:18:55|  分类: 学习历程 |  标签: |举报 |字号 订阅

  下载LOFTER 我的照片书  |

1、在无盘工作站向服务器申请IP地址时,使用的是( )协议。

AARP BRARP CICMP DIGMP ANSWERB

 

2、提供可靠数据传输、流控的是OSI的第几层(

A、表示层 B、网络层 C、传输层 D、会话层 E、链路层 ANSWERC

 

3、子网掩码产生在那一层(

A、表示层 B、网络层 C、传输层 D、会话层 ANSWERB

 

4RFC文档是下面哪一个标准化组织的工作文件(

AISO BIETF CITU ANSWERB

 

5、物理层实现的主要功能在于提出了物理层的(

A、比特流传输中的差错控制方法 B、机械特性 C、电器特性 D、功能特性 ANSWERBCD

 

6、当路由器接收的IP报文的目的地址不在同一网段时,采取的策略是(

A、丢掉该分组 B、将该分组分片 C、转发该分组 D、以上答案均不对 ANSWERC

 

7、当一台主机从一个网络移到另一个网络时,以下说法正确的是(

A、必须改变它的IP地址和MAC地址 B、必须改变它的IP地址,但不需改动MAC地址

C、必须改变它的MAC地址,但不需改动IP地址 DMAC地址、IP地址都不需改动 ANSWERB

 

8ISO提出OSI的关键是(

A、系统互联 B、提高网络速度 C、为计算机制定标准 D、经济利益 ANSWERA

 

9、以下属于传输层协议的是(

ATCP BX.25 COSPF DUDP ESPX ANSWERADE

 

10OSI参考模型按顺序有哪些层(

  1. 应用层、传输层、网络层、物理层
  2. B、应用层、表示层、会话层、网络层、传输层、数据链路层、物理层

C、应用层、表示层、会话层、传输层、网络层、数据链路层、物理层

D、应用层、会话层、传输层、物理层

ANSWERC

 

11、网络中术语( )指网络设备用于交换信息的系列规则和约定术语。

ARFC BIETF CProtocols-----协议 DStandards ANSWERC

 

12、下列关于备份中心的说法哪些是正确的( )。

A、运用备份中心时,一旦主接口上的线路发生故障,就立即切换到备份接口

B、运用备份中心时,当主接口上的线路恢复正常后,并不会立即切换回主接口,而是延迟一段时间才切换回主接口

C、运用备份中心时,从主接口切换到备份接口的延迟时间是可以配置的

D、运用备份中心时,从备份接口切换回主接口的延迟时间是可以配置的

ANSWERBCD

 

13、以下属于分组交换的是(

APSTN BSDH CX.25 D、有线电视网 ANSWERC

 

14、标准以太网使用( )标准线缆

A10 BASE-T B100 BASE-T C10 BASE-5 D10 BASE-2 ANSWERA

 

15LAN的拓扑形式一般以( )为主。

A、总线型 B、环型 (原题如此,可能应是星型)C、令牌环 D、载波侦听与冲突检测CSMA/CD

ANSWERA

 

16、通常以太网采用了( )协议以支持总线型的结构。

A、总线型 B、环型 C、令牌环 D、载波侦听与冲突检测CSMA/CD ANSWERD

 

17、网段地址154.27.0.0的网络,若不做子网划分,能支持( )台主机

A254 B1024 C65,533 D16,777,206 ANSWERC

 

18LAN在基于广播的以太网中,所有的工作站都可以接收到发送到网上的(

A、电信号 B、比特流 C、广播帧 D、数据包 ANSWERC

 

19、路由器网络层的基本功能是( )。

A、配置IP地址 B、寻找路由和转发报文 C、将MAC地址解释成IP地址 ANSWERB

 

20、能配置IP地址的提示符是(

ARouter> BRouter# CRouter(config-if-Ethernet0)# DRouter(config)#

ANSWERC

 

21IP协议对应于OSI 7层模型中的第( )层。

A5 B3 C2 D、1 ANSWERB

 

22、选出基于TCP协议的应用程序( )。

APING BTFTP

CTELNET FTP SMTP HTTP(基于UDP协议的应用程序RIP TFTP SNMP)

DOSPF

ANSWERC

 

23、保留给自环测试的IP地址是( )。

A164.0.0.0 B130.0.0.0 C200.0.0.0 D127.0.0.1

ANSWERD

 

24IP地址3.255.255.255是( )。

A    一个主机地址 B    一个网段地址 C、一个有限广播地址 D一个直接广播地址

ANSWERD

 

25、某公司申请到一个CIP地址,但要连接6个的子公司,最大的一个子公司有26台计算机,每个子公司在一个网段中,则子网掩码应设为( )。

A255.255.255.0 B255.255.255.128 C255.255.255.192 D255.255.255.224

ANSWERD

 

26B类地址的缺省掩码是( )。

A255.0.0.0 B255.255.255.0 C255.255.0.0. D255.255.0.0 ANSWERC

 

27、在以太网中,是根据( )地址来区分不同的设备的。

AIP地址 BIPX地址 CLLC地址 DMAC地址 ANSWERD

 

28、下列哪项是合法的IP主机地址?(

A127.2.3.5 B1.255.255.2/24 C255.23.200.9 D192.240.150.255/24

ANSWERB

 

29、完整的IPX地址包含多少个字节( )。

A4 B6 C8 D10 ANSWERD

 

30V.24接口工作在同步方式下最高传输速率是(

A64000bps B115200bps C2048000bps. D4096000bps ANSWERA

 

31、在NetWare网络中,客户需要访问某个类型的服务器时,首先要发送一个( )广播报文来寻找服务器

ARip BSap Cgns Darp ANSWERC

 

32、帧中继与X25相同之处在于(

A、都基于虚电路 B、都是分组交换技术 C、都仅仅是第二层的协议

D、都支持拥塞检测,确认重传,流量控制机制

ANSWERAB

 

33、以下内容哪些是路由信息中所不包含的( )。

A、目标网络 B、源地址 C、路由权值 D、下一跳 ANSWERB

 

34、在帧中继封装中配置静态MAP必须指定哪些参数:(

A本地的DLCI B、对端的DLCI C、本地的协议地址 D对端的协议地址

ANSWERAD

 

35PVC可以处于下面几种阶段:(

A、呼叫建立 B、数据传输 C、呼叫清除 D、链路建立 ANSWERB

 

36PPP验证失败后,将由Authenticate阶段转入什么阶段( )。

ADead BEstablish CNetwork DTerminate ANSWERD

 

37IGP的作用范围是( )。

A、区域内 B、自然子网范围内 C、局域网内 D、自治系统内 ANSWERD

 

38、距离矢量协议包括( )。

ARIP BIGRP CIS-IS DBGP EOSPF FEIGRP

ANSWERABDF

 

39、解决路由环问题的办法是( )。

A定义路由权的最大值(可以挽救但不可以避免) B、路由保持法

C、水平分割 D、路由器重启 ANSWER:ABC

 

40ISDN基本速率接口(BRI)速率是( )。

A16kbps B64kbps C144bps D2048kbps ANSWERC

 

41DCC按需拨号路由主要用于两种公用交换网,即( )网。

AFR BDDN CISDN DPSTN ANSWERCD

 

42、小于( )的端口号已保留与现有的服务一一对应,此数字以上的端口号可自由分配。

A199 B100 C1024 D2048 ANSWERC

 

43、帧中继LMI一般占用哪几个DLCI

A0 B16 C1007 D1023 ANSWERAD

 

44BGP是在( )之间传播路由的协议。

A、主机 B、子网 C、区域(area D、自治系统(AS ANSWERD

 

45、以下情况可以使用访问控制列表准确描述的是:(

A、禁止所有使用Telnet的用户访问我的主机 B、禁止使用UNIX系统的用户访问我的主机

C、禁止有CIH病毒的文件到我的主机 D、只允许系统管理员可以访问我的主机

ANSWERA

 

 

 

46、路由器A的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 10.1.1.1 255.255.0.0

ip ospf enable area 0.0.0.1

!

interface Serial0

clock-select DTECLK1

encapsulation ppp

ip ADDRess 2.1.1.1 255.0.0.0

ip ospf enable area 0.0.0.1

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router ospf enable

!

 

end

路由器B配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 10.2.1.1 255.255.0.0

ip ospf enable area 0.0.0.2

!

interface Serial0

encapsulation ppp

ip ADDRess 2.1.1.2 255.0.0.0

ip ospf enable area 0.0.0.2

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router ospf enable

!

end

如下说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通

ANSWERA

47、路由器A配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 1.1.1.1 255.0.0.0

!

interface Serial0

clock-select DTECLK1

encapsulation x25 dte ietf

x25 ADDRess 2111------本端

x25 map ip 2.1.1.2 2111--------对端

ip ADDRess 2.1.1.1 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip-------PEER

!

End

路由器B配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

interface Ethernet0

ip ADDRess 3.1.1.1 255.0.0.0

!

interface Serial0

encapsulation x25 dce ietf

x25 ADDRess 2112

x25 map ip 2.1.1.1 2112

ip ADDRess 2.1.1.2 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

!

End

如下说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通

ANSWERD

 

48、路由器A的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

user huawei service-type ppp password 0 quidway

!

interface Ethernet0

ip ADDRess 1.1.1.1 255.0.0.0

!

interface Serial0

encapsulation ppp

ppp authentication chap

ppp chap host huawei

ip ADDRess 2.1.1.1 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60

end

路由器B的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

user hw service-type ppp password 0 quidway

!

interface Ethernet0

ip ADDRess 3.1.1.1 255.0.0.0

!

interface Serial0

clock-select DTECLK 1

encapsulation ppp

ppp auth---mode chap-----缺少

ppp chap host huawei

ppp chap password 0 quidway

ip ADDRess 1.1.1.2 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60

end

下述说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通

ANSWERD

 

49、如图,路由器的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

firewall enable

access-list normal 1 deny 10.110.1.1 255.255.255.0

access-list normal 101 deny ip any 10.110.1.0 255.255.255.0

!

interface Ethernet0

ip ADDRess 10.110.1.8 255.255.255.0

ip access-group 1 in

!

interface Serial0

encapsulation ppp

ip ADDRess 202.15.1.1 255.255.255.252

ip access-group 101 out

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

!

End

下述说法正确的是(

A    广域网和局域网不允许连通 B    广域网可以访问局域网,但局域网不可以访问广域网

C    广域网和局域网允许连通 D    只有主机10.110.1.1不能访问广域网

E    以上都不对 ANSWERE

 

50、路由器A的配置为:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

frame-relay switching

!

interface Ethernet0

ip ADDRess 10.1.1.1 255.255.0.0

ip rip version 2 mcast

!

interface Serial0

clock-select DTECLK1

encapsulation fame-relay

frame-relay intf-type DCE

frame-relay interface-dlci 100

ip ADDRess 2.1.1.1 255.0.0.0

ip rip version 2 mcast

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

no auto-summary

neightbor 2.1.1.2

!

 

end

路由器B配置为

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

frame-relay switching

!

interface Ethernet0

ip ADDRess 10.2.1.1 255.255.0.0

ip rip version 2 mcast

!

interface Serial0

clock-select DTECLK1

encapsulation fame-relay

ip ADDRess 2.1.1.2 255.0.0.0

ip rip version 2 mcast

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

no auto-summary

neightbor 2.1.1.1

!

end

如下说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通 ANSWERA

 

51OSI参考模型的物理层中没有定义(

A    硬件地址 B    位传输 C    电平 D    物理接口 ANSWERA

 

52IP地址219.25.23.56的缺省子网掩码有几位?(

A8 B16 C24 D32 ANSWERC

 

53、以下关于分组交换理解错误的是(

A    共享带宽 B    能够方便的保证服务质量 C    费用低 D    每一份组中均包含目的地地址 ANSWERB

54、快速以太网是由( )标准定义的

A    IEEE802.1Q B    IEEE802.3u C    IEEE802.4 D    IEEE802.3i E    IEEE802.1d ANSWERB

 

55、当路由器接收的IP报文的MTU大于该路由器的最大MTU时,采取的策略是(

A    丢掉该分组 B    将该分组分片 C    像源路由器发出请求,减少其分组大小 D    直接转发该分组 ANSWERB

 

56TCPUDP协议的相似之处是(

A    传输层协议 B    面向连接的协议 C    面向非连接的协议 D    以上均不对 ANSWERA

 

57、二进制11001011的十进制值是(

A203 B171 C207 D193 ANSWERA

 

58PPP验证成功后,将由Authenticate阶段转入什么阶段(

A    Dead B    Establish C    Network D    Terminate ANSWERC

 

59、采用了( )的网络中,工作站在发送数据之前,要检查网络是否空闲,只有在网络不阻塞时,工作站才能发送数据

A    TCP B    IP C    ICMP D    CSMA/CD ANSWERD

60、在OSI7层模型中,网络层的功能主要是(

A    在信道上传输原始的比特流 B    确保到达对方的各段信息正确无误

C    确定数据包从源端到目的端如何选择路由 D    加强物理层数据传输原始比特流的功能并且进行流量调控

ANSWERC

 

61、在IPX之上承载各种上层协议,包括(

A    Rip B    Netbios C    Ncp D    Tcp ANSWERABC

 

62、以下为局域网协议的有(

A    PPP B    EthernetII C    X.25 D    FrameRelay E    SLIP

F    IEEE802.0/802.3 G    EthernetSNAP H    PPP-Multilink ANSWERBFG

 

63、路由器是一种用于网络互连的计算机设备,但作为路由器,并不具备的是(

A    一组路由协议 B    减少冲突和碰撞 C    支持两种以上的子网协议 D    具有存储、转发、寻径功能

ANSWERB

 

64、配置X.25上的一条虚电路为逻辑通道的正确配置为(

A    x25 map 1.1.1.2 2202 lin 1 B    x25 map ip 1.1.1.2 2202 lin 1 C    x25 map protocol ip 1.1.1.2 2202 lin 1

D    x25 map protocol ip 2201 1.1.1.2 lin 1 ANSWERB

 

65、六十至七十年代网络发展初期,网络的概念主要指( ),提供应用程序执行、远程打印和数据服务功能

A    局域网 B    广域网 C    Internet D    基于主机架构的低速串行联接 ANSWERD

 

66、控制信号DSR表示(

A    数据终端准备好 B    请求发送 C    数据准备好 D    数据载体检测 ANSWERC

 

67、以下属于数据链路层的设备是(

A    中继器 B    以太网交换机 C    网桥 D    网关 ANSWERBC

 

68、当今世界上最流行的TCP/IP协议的层次并不是按OSI参考模型来划分的,相对应于OSI的七层网络模型,没有定义(

A    链路层和网络层 B    网络层和传输层 C    传输层和会话层 D    会话层和表示层 ANSWERD

 

69IEEE802.5标准是指(

A    以太网 B    令牌总线网 C    令牌环网 D    FDDI ANSWERC

 

70、数据链路层添加链路层的控制信息到数据包中,形成( ),再传递到物理层,在物理层网络传送了原始的比特流。

A    帧 (比特流,     帧, 数据包,段) B    信元 C    数据包 ANSWERA

 

71OSI代表(

A    Organization for Standards Institute B    Organization for Internet Standards

C    Open Standards Institute D    Open Systems Interconnection ANSWERD

 

72X.25协议提供给用户的可用的逻辑信道最多为( )条

A16 B32 C4095 D4096 ANSWERC

 

73、下列关于PAPCHAP认证的正确说法是(

A    由于CHAP不以明文发送的密码,所以CHAPPAP更安全 B    接收来自多点的呼叫必须配置PAPCHAP验证才能拨通

C    PAPCHAP都是PPP的验证方式 D    配置PAPCHAP的目的是为了区分呼叫点和安全方面的考虑 ANSWERACD

 

74、在同一区域内(区域A),下列说法正确的是(

A    每台路由器生成的LSA都是相同的 B    每台路由器的区域ALSDB都是相同的 C    每台路由器根据该LSDB计算出的最短路径树都是相同的 D    每台路由器根据该最短路径树计算出的路由都是相同的 ANSWERB

 

75、哪种转发方法延迟较小(

A    Cut-through B    Store-and-forward C    帧标记 ANSWERA

 

76、配置备份中心的目的是(

A    增加网络的带宽 B    提高网络的可用性,可靠性 C    防止数据传输的意外中止

D    降低网络的传输费用 ANSWERB C

 

77、访问列表如下:

access-list 4 deny 202.38.0.0 0.0.255.255

access-list 4 permit 202.38.160.1 0.0.0.255

应用于该路由器的配置如下:

Quidway(config)#firewall default permit

Quidway(config-if-Serical0)#ip access-group 4 in

该路由器E0口接本地局域网,S0口接到Internet,以下说法正确的有:(

A    所有的外部数据包都可以通过S口,自由出入本地局域网 B    内部主机可以任意访问外部任何地址的主机

C    内部主机不可以访问本列表禁止的外部地址的主机 D    连在该路由器其他端口的主机可任意访问内部网资源

ANSWERB

 

78、路由器A的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

user huawei service-type ppp password 0 quidway

!

interface Ethernet0

ip ADDRess 1.1.1.1 255.0.0.0

!

interface Serial0

encapsulation ppp

ppp authentication chap

ppp chap host huawei

ip ADDRess 2.1.1.1 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60

end

路由器B的配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

user hw service-type ppp password 0 quidway

!

interface Ethernet0

ip ADDRess 3.1.1.1 255.0.0.0

!

interface Serial0

clock-select DTECLK1

encapsulation ppp

ppp chap host huawei

ip ADDRess 1.1.1.2 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60

end

下述说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通 ANSWERD 没有配置密码

 

79、路由器A配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 1.1.1.1 255.0.0.0

!

interface Serial0

clock-select DTECLK1

encapsulation x25 dte ietf

x25 ADDRess 2111

x25 map ip 2.1.1.2 2112

ip ADDRess 2.1.1.1 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

!

End

路由器B配置如下:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 3.1.1.1 255.0.0.0

!

interface Serial0

encapsulation x25 dce ietf

x25 ADDRess 2112

x25 map ip 2.1.1.1 2111

ip ADDRess 2.1.1.2 255.0.0.0

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

!

End

如下说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通

ANSWERD     B没有PEER RIP

80、路由器A配置为:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

frame-relay switching

!

interface Ethernet0

ip ADDRess 10.1.1.1 255.255.0.0

ip rip version 2 mcast

!

interface Serial0

clock-select DTECLK1

encapsulation frame-relay

frame-relay intf-type DCE

frame-relay interface-dlci 100

ip ADDRess 2.1.1.1 255.0.0.0

ip rip version 2 mcast

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

no auto-summary

neighbor 2.1.1.2

!

End

路由器B配置为:

Quidway#DISPLAY RUN

Now create configuration…

Current configuration

!

!

interface Ethernet0

ip ADDRess 10.2.1.1 255.255.0.0

ip rip version 2 mcast

!

interface Serial0

encapsulation frame-relay

ip ADDRess 2.1.1.2 255.0.0.0

ip rip version 2 mcast

!

interface Serial1

encapsulation ppp

!

interface Serial2

flowcontrol normal

async mode dedicated

encapsulation ppp

!

exit

router rip

no auto-summary

neighbor 2.1.1.1

!

End

如下说法正确的是(

A    两端广域网可以连通,但局域网不可以连通 B    两端广域网不可以连通,但局域网可以连通

C    广域网和局域网都可以连通 D    广域网和局域网都不可以连通 ANSWERC

 

81、以下那些是帧中继的参数:(

A    CIR承诺信息速率 B    TTL生存时间 C    BE允许超出突发量 D    BC承诺突发量

ANSWERACD

 

82TCPUDPSPX属于OSI的第几层(

A    网络层 B    传输层 C    会话层 D    表示层 ANSWERB

 

83、哪一个是有效的MAC地址(

A192.201.63.252 B19-22-01-63-23 C0000.1234.ADFB D00-00-11-11-11-AA

ANSWERC

 

84、以下说法哪些是正确的(

A    如果几个动态路由协议都找到了到达同一目标网络的最佳路由,这几条路由都会被加入路由表中。

B    路由优先级与路由权值的计算是一致的

C    路由权的计算可能基于路径某单一特性计算,也可能基于路径多种属性。

D    动态路由协议是按照路由的路由权值来判断路由的好坏,并且每一种路由协议的判断方法都是不一样的。

ANSWERCD

 

85华为路由器封装帧中继支持( )格式

A    IETF B    ANSI C    Q933附录A D    CISCO-COMPATIBLE

ANSWERAD

 

86、在ripmetric等于( )为不可达

A8 B10 C15 D16 ANSWERD

 

87两台以太网交换机之间使用了两根5类双绞线相连,要解决其通信问题,与启用( )技术

A    源路由网桥 B    生成树网桥 C    MAC子层网桥 D    透明路由网桥 ANSWERB

 

88IEEE 802.1Q的标记报头将随着介质不同而发生变化,按照IEEE802.1Q标准,标记实际上嵌在(

A    不固定 B    MAC地址和目标MAC地址前 C    MAC地址和目标MAC地址后

D    MAC地址和目标MAC地址中间 ANSWERC

 

89、在华为的路由器中,支持IPX的广域网链路层包括(

A    FR B    X25 C    PPP D    SLIP ANSWERABC

 

90IP协议的特征是(

A    可靠,无连接 B    不可靠,无连接 C    可靠,面向连接 D    不可靠,面向连接

ANSWERB

 

91C类地址最大可能子网位数是(

A6 B8 C12 D14 ANSWERA

 

92、关于IP报文头的TTL字段,以下说法正确的有(

A    TTL的最大可能值是65535 B    在正常情况下,路由器不应该从接口收到TTL=0IP报文

C    TTL主要是为了防止IP报文在网络中的循环转发,浪费网络的带宽

D    IP报文每经过一个网络设备,包括HubLan Switch和路由器, TTL值都会被减去一定的数值 ANSWERBC

 

93、路由器网络层的基本功能是(

A    配置IP地址 B    寻找路由和转发报文 C    MAC地址解释成IP地址 ANSWERB

 

94、( )是一种广播,主机通过它可以动态的发现对应于一个IP地址的MAC地址

A    ARP B    DNS C    ICMP D    RARP ANSWERA

 

95、下列关于OSPF协议的说法正确的是:(

A    OSPF支持基于接口的报文验证 B    OSPF支持到同一目的地址的多条等值路由

C    OSPF是一个基于链路状态算法的边界网关路由协议 D    OSPF发现的路由可以根据不同的类型而有不同的优先级

ANSWERABD

 

96、路由算法使用了许多不同的权决定最佳路由,通常采用的权不包括(

A    带宽 B    可靠性 C    物理距离 D    通信费用 ANSWERC

 

97、网桥属于OSI模型的第( )层

A1 B2 C3 D4 ANSWERB

 

98、数据链路层如何找到本地网络上的主机(

A    端口号 B    硬件地址 C    默认网关 D    逻辑网络地址 ANSWERB

99、以下属于物理层的设备是(

A    网桥 B    网关 C    中继器 D    以太网交换机 ANSWERC

 

100、在运行Windows 98的计算机中配置网关,类似于在路由器中配置(

A    直接路由 B    默认路由 C    动态路由 D    间接路由 ANSWERB

 

101、如果一个内部网络对外的出口只有一个,那么最好配置(

A    缺省路由 B    主机路由 C    动态路由 ANSWERA

 

102PC机通过网卡连接到路由器的以太网口,两个接口之间应该使用的电缆是(

A    交叉网线 B    标准网线 C    配置电缆 D    备份电缆 ANSWERA

 

103、下列静态路由器配置正确的是(

A    ip route 129.1.0.0 16 serial 0 B    ip route 10.0.0.2 16 129.1.0.0

C    ip route 129.1.0.0 16 10.0.0.2 D    ip route 129.1.0.0.255.255.0.0 10.0.0.2 ANSWERACD

 

104ISDN BRI的物理线路是(

A2B+D B30B+D C、同轴电缆 D    普通电话线 ANSWERD

 

105、配置访问控制列表必须作的配置是(

A    设定时间段 B    制定日志主机 C    定义访问控制列表 D    在接口上应用访问控制列表

ANSWERCD

 

106、标准访问控制列表以( )作为判别条件

A    数据包的大小 B    数据包的源地址 C    数据包的端口号 D    数据包的目的地址 ANSWERB

 

107、对防火墙如下配置:

firewall enable

端口配置如下

interface Serial0

ip ADDRess 202.10.10.1 255.255.255.0

encapsulation ppp

nat enable

interface Ethernet0

ip ADDRess 10.110.10.1 255.255.255.0

公司的内部网络接在Ethernet0,在Serial0通过地址转换访问Internet。如果想禁止公司内部所有主机访问202.38.160.1/16的网段,但是可以访问其它站点。如下的配置可以达到要求的是:(

A    access-list 1 deny 202.38.160.1 0.0.255.255 Serial0口:access-group 1 in

B    access-list 1 deny 202.38.160.1 0.0.255.255Serial0口:access-group 1 out

C    access-list 101 deny ip any 202.38.160.1 0.0.255.255 Ethernet0口:access-group 101 in

D    access-list 101 deny ip any 202.38.160.1 0.0.255.255 Ethernet0口:access-group 101 out

ANSWERAC(考试时如是单选选C

 

108、关于Hub以下说法正确的是(

A    Hub可以用来构建局域网 B    一般Hub都具有路由功能

C    Hub通常也叫集线器,一般可以作为地址翻译设备E     D    一台共享式以太网Hub下的所有PC属于同一个冲突域

ANSWERAD

 

109DNS工作于(

A    网络层 B    传输层 C    会话层 D    表示层 E    应用层 ANSWERE

 

110DNS的作用是(

A    为客户机分配IP地址 B    访问HTTP的应用程序 C    将计算机名翻译为IP地址

D    MAC地址翻译为IPANSWERC

 

111、数据分段是OSI七层模型中的( )完成的

A    物理层B    网络层 C    传输层 D    接入层 E    分发层 F    数据链路层 ANSWERC

 

112、属于物理层的设备(

A    交换机 B    路由器 C    中继器 D    集线器 ANSWERCD

 

113、应用程序PING发出的是( )报文

A    TCP请求报文 B    TCP应答报文 C    ICMP请求报文 D    ICMP应答报文 ANSWERC

 

114、物理层的主要功能是(

A    提供可靠的信息传送机制 B    负责错误检测和信息的重发机制 C    负责用户设备和网络端设备之间的物理和电气接口

D    建立和清除两个传输实体之间网络范围的连接 ANSWERC

 

115、当数据在网络层时,我们称之为(

A     B     C     D     ANSWERB

116TFTP服务端口号(

A23

B48

C53

D69

ANSWERD

 

117、以下关于DTE的说法的正确的是(

A    DTE是指    数据终端设备    

B    DTE是指    数据电路终接设备    

C    DTE可以是计算机或计算机终端,也可以是其它数据终端

D    DTE在模拟技术体制下是调制解调器,而在数字技术体制下可以是数据业务单元

ANSWERAC

 

118IPX之上承载的协议包括(

A    RIP

B    NCP

C    PAP

D    SPX

E    SAP

F    TCP/UDP

ANSWERABDE

 

119、以下以太网封装格式中,同时支持IPXIP的有(

A    Ethernet II

B    Ethernet 802.4

C    Ethernet 802.5

D    Ethernet SNAP

ANSWERAD

 

120X.25中的一条虚电路可以(

A    作为一个物理接口的备份接口

B    作为一个逻辑拨号口的备份接口

C    作为帧中继接口中的一条虚电路的备份接口

D    作为主接口,由其它接口为其提供备份功能

ANSWERACD

 

121、在备份中心配置中下列哪些选项时可以配置的(

A    判断逻辑通道Up的条件

B    判断逻辑通道Down的条件

C    从主接口切换到备份接口的延迟时间

D    从备份接口切换回主接口的延迟时间

ANSWERABCD

 

122IEEE802.1Q适应的局域网技术有( )。 VLAN

A    FDDI

B    令牌环

C    快速以太网

D    千兆以太网

ANSWERCD

 

123IEEE组织制定了( )标准,规范了跨交换机实现VLAN的方法

A    ISL

B    VLT

C    802.1q

ANSWERC

 

124、以太网是( )标准的具体实现

A802.3

B802.4

C802.5

D802.z

ANSWERA

 

125、可以用来对以太网进行分段的设备有(

A    网桥

B    交换机 三层

C    路由器

D    集线器

ANSWERABC

 

126、一个VLAN可以看作是一个(

A    冲突域

B    广播域

C    管理域

D    阻塞域

ANSWERB

 

127、划分子网是在IP地址的( )部分

A    网段地址

B    主机地址

C    子网网段

D    缺省子网掩码

ANSWERB

 

128、( )为两次握手协议,它通过在网络上以明文的方式传递用户名及口令来对用户进行验证

A    PAP

B    IPCP

C    CHAP

D    RADIUS

ANSWERA

 

129RARP的作用是(

A    将自己的IP地址转换为MAC地址

B    将对方的IP地址转换为MAC地址

C    将对方的MAC地址转换为IP地址

D    知道自己的MAC地址,通过RARP协议得到自己的IP地址

ANSWERD

 

130、以下关于TCP滑动窗口说法正确的是(

A    TCP的会话过程中,允许动态协商窗口大小

B    滑动窗口滑向数据报的每个区域,从而更有效利用带宽

C    大的窗口尺寸可以一次发送更多的数据从而更有效利用带宽

D    限制进入的数据,因此必须逐段发送数据,但这不是对带宽的有效利用

ANSWERC---AC

 

131、一个B类地址网大约能有( )台主机

A254

B16K

C63K

D2M

ANSWERC

 

132PING某台主机成功,路由器应出现( )提示

A    Timeout

B    Unreachable

C    Non-existent ADDRess

D    Relay from 202.38.160.2…….

ANSWERD

 

133、路由器的主要功能不包括(

A    速率适配

B    子网协议转换

C    七层协议转换

D    报文分片与重组

ANSWERC

 

134、路由器A串口0配置如下

interface Serial0

encapsulation ppp

ppp pap sent-username huawei password 0 quidway

ip ADDRess 2.2.2.1 255.0.0.0

路由器B串口及全局配置如下

user huawei service-type ppp password 0 quidway

!

interface Serial0

clock-select DTECLK1

encapsulation ppp

ppp authentication pap

ip ADDRess 2.2.2.2 255.0.0.0

当两台路由器串口0相连时,两台路由器是否可以连接到对端(

A    

  1. 不能

ANSWERA

 

135、路由器A的配置如下

interface Serial0

shutdown

encapsulation ppp

ip ADDRess 1.1.1.2 255.0.0.0

!

interface Serial1

clock-select DTECLK1

encapsulation ppp

ip ADDRess 2.2.2.2 255.0.0.0

路由器B的配置如下

interface Serial0

clock-select DTECLK1

encapsulation ppp

backup interface Serial 1

ip ADDRess 1.1.1.1 255.0.0.0

!

interface Serial1

encapsulation ppp

ip ADDRess 2.2.2.1 255.0.0.0

当路由器A的链路中断时,两路由器是否可以保持连通(

A    

B    不能

ANSWERA

 

136、下面哪一组是Quidway路由器封装X25协议默认的WINMODI/OPS的缺省值(

A28128

B88128

C81288

D2128128

ANSWERA

 

137关于千兆以太网,以下说法正确的是(

  1. IEEE802.3ab定义了千兆以太网 802。3Z

B    在同一冲突域中,千兆以太网不允许中继器的互连

C    IEEE802.3z专门定义了千兆以太网在双绞线上的传输标准 802。3AB

D    千兆以太网支持网络速率的自适应,可以与快速以太网自动协商传输速率

ANSWERB

 

138、在路由器上符合V.24规程的接口有(

A    AUX

B    SERIAL

C    CONSOLE

D    ETHERNET

E    八异步口串行口

ANSWERABCE

 

139、( )是一个网络层的协议,它提供了错误报告和其它回送给源点的关于IP数据包处理情况的消息

A    TCP

B    UDP

C    ICMP

D    IGMP

ANSWERC

 

140、在TCP/IP协议中,A类地址第一个字节的范围是(

A0---126

B0---127

C1---126

D1---127

ANSWERC

 

141、一个BIP地址最多可用( )位来划分子网

A8

B14

C16

D22

ANSWERB

 

142下面关于CSMA/CD网络的叙述哪个是正确的(

A    信号都是以广播方式发送的

B    一个节点的数据发往最近的路由器,路由器将数据直接发到目的地

C    如果源节点知道目的地的IPMAC地址的话,信号是直接送往目的地

D    任何一个节点的通信数据要通过整个网络,并且每一个节点都接收并检验该数据

ANSWERD

 

143、对于这样几个网段:172.128.12.0172.128.17.0172.128.18.0172.128.19.0,最好用下列哪些网段实现路由汇总?

A172.128.0.0/21

B172.128.17.0/21

C172.128.12.0/22

D172.128.20.0/20

ANSWERC

 

144FTP数据连接端口号(

A20 80HTTP,53DNS,

B21 CMD

C23 TELNET

D25 SMTP

ANSWERA

 

145、六十年代到七十年代网络的概念主要是指(

A    局域网联接

B    PC间的串口联接

C    主机间的低速串行联接

D    PC之间的同E    轴电缆联接

ANSWERC

 

146TELNET的端口号是(

A6

B17

C23

D69 TFTP

ANSWERC

 

147、子网掩码255.255.192.0的二进制表示为(

A11111111 11110000 0000000 00000000

B11111111 11111111 00001111 00000000

C11111111 11111111 11000000 00000000

D11111111 11111111 11111111 00000000

ANSWERC

 

148IEEE802.5标准是指(

A    以太网

B    FDDI

C    令牌环网

D    令牌总线网

ANSWERC

 

149下面哪一个不是LAN的主要特性(

A    提供全时的局部服务

  1. 连接物理相邻的设备
  2. 提供多用户高带宽介质访问

D    运行在一个宽广的地域范围内

ANSWERD

 

150、高层的协议将数据传递到网络层后,形成( ),而后传送到数据链路层

A、数据帧

B、信元

C数据包

ANSWERC

 

151IP地址与它的掩码取反相与,所得的非零点分十进制数,是此IP地址的(

A    A类地址

B    主机地址 取反相与

C    网络地址 相与

D    解析地址

ANSWERB

 

152IP地址190.233.27.13是( )类地址

A    A

B    B

C    C

D    D

ANSWERB

 

153X.25协议包含了三层:( ),是和OSI参考模型的三层一一对应的,他们的功能也是一致的

A    表示层、会话层、传输层

B    会话层、传输层、分组层

C    传输层、分组层、数据链路层

D    分组层、数据链路层、物理层

ANSWERD

 

154、在一个接口配置x25 map ip 102.112.43.125 12345命令,其中102.112.12512345分别是(

A    对端的IP地址和对端的X.121地址

B    对端的IP地址和本接口的X.121地址

C    本接口的IP地址和对端的X.121地址

D    本接口的IP地址和本接口的X.121地址

ANSWERA

 

155、利用分组交换网络连接为广域网提供服务的是(

AX.25

B、帧中继

C    专用线路

D    Modem拨号

ANSWERAB

 

156帧中继技术作为一种广泛应用的广域网技术,有许多优秀的技术特性,其中不包括(

A    信元长度固定

B    是一种国际标准

C    简化了X.25的第三层功能

D    在链路层完成统计复用、帧透明传输和错误检测

ANSWERA

 

157、在路由器上配置帧中继静态MAP必须指定( )参数

A    本地的DLCI

B    对端的DLCI

C    本地的协议地址

D    对端的协议地址

ANSWERAD

 

158、在以下的协议、技术中,采用面向连接的方式进行通信的有(

A    IP

B    X.25

C    Ethernet

D    Frame-relay

ANSWERBD

 

159、一台IP地址为10.110.9.113/21主机在启动时发出的广播IP是( 9---100的有( )、

&npan>在链路层完成统计复用、帧透明传输和错误检测

A  &="font-A  &="fAANSWERA  

A、高层的协议将湿广踊绾/spa将帧转pan>

>取反相与地址的话,信号是直韓 style="font-family:宋n-left: 18pt;" >A<.25 >取反相与必须指定(A  &.25 <.25 >取反相与必须指定(A  &.25 <.25 >取反相与地址的话,信号是謓 style="font-family:宋帧透明传输和错;" >AANSWERA  

16"font-family:宋体;" >主机在启动时穝pan>

n stylefont-family:宋蠹觳庑继技术作渭术謘pa粲诙琾an>n> >取反相与 spanan>

C

&npan><.25

A<.25

D  &.25 <.25 B  &.25 <.25 AANSWERA  

AIP

A

&npan><.25 >取反相与 仿肺侍span>

A<.25 >取反相与n畔⒗纯<>

A  &.25 <.25 >取反相与n畔 噶裤、/s >取反相与

A  &.25 <.25 >取反相与AANSWERA  

AX.25表项要由蛲管理员手动)

>取反相与n style="font-family:宋n-left: 18pt;" >A<.25 >取反相与n style="font-family:宋n-left: 18pt;" >A  &.25 <.25 >取反相与n style="font-family:宋n-left: 18pt;" >A  &.25 <.25 >取反相与n style="font-family:宋帧透明传输和错;" >AANSWERA >取反相与

155、在一个接口配 >取反相与 ,迪致),是和n style="font-family:宋n-left: 18pt;" >A

&npan><.25 >取反相与 B<.25 >取反相与 A  &.25 <.25 >取反相与 n> n style="font-family:宋n-left: 18pt;" >A  &.25 <.25 >取反相与 n> n style="font-family:宋帧透明传输和错;" >AANSWERA >取反相与

A、利用分组交换蚽 styledialer idle-timeoutfont-family:;" > >取反相与的意> 设/s

>取反相与A<.25 >取反相与A  &.25 <.25 >取反相与的空闲时间n style="font-family:宋n-left: 18pt;" >A  &.25 <.25 >取反相与pan>可以AANSWERA157),是和n style="font-family:宋帧透明传输和错;" >AA

&npan><.25 >取反相与 >取反相与"font-family:宋体;" >、在一个接口陪总/spa宦绲n style529n s8./p>"font-family:宋体;" >、在一个接口陪总/spa宦使用pan>大觭pan> >取反相与

>取反相与 A<.25 >取反相与 >取反相与"font-family:宋体;" >、在一个接口陪总/spa宦绲n style529n s8./p>"font-family:宋体;" >、在一个接口陪总/spa宦使用pan>小觭pan> >取反相与

>取反相与 A  &.25 <.25 >取反相与 >取反相与"font-family:宋体;" >、在一个接口陪总/spa宦绲n style2an 38.161

"font-family:宋体;" >、在一个接口陪总/spa宦使用pan>小觭pan> >取反相与

>取反相与 A  &.25 <.25 的主要特性(<规则序列康牡n style5 1font-family:;" > >取反相与"font-family:宋体;" >、在一个接口陪总/spa宦绲n style2an 38.161

"font-family:宋体;" >、在一个接口陪总/spa宦使用pan>大觭pan> >取反相与

>取反相与 A >取反WERA

 

159、在路由器上配置謓 styleQuidw/spolor:red;" ;" > >取反span>器上已经 >取反span>、高层的协议絏.12进入穆酚包使用规则n style5polor:red;" ;" > >取反span>)A

&npan><.25 >取反相与A<.25 >取反相与A  &.25 <.25 >取反相与、高层的协议降腦.12模式A  &.25 <.25 >取反span>、高层的协议降腦.12模式A    轴电缆联接、高层的协议降腦.12模式 style=".12access-grou125 in完成A

n style"margin-left: 18pt;" >C >取反span>

.25
<.25
>取反span>、高层的协议降腦.12模式A >取反WERA

E完成统计复用、p>155 >取反相与),是和n style="font-family:宋帧透明传输和错;" >AA

&npan><.25 >取反相与、高层的协议剑圭祅 style5 .1 >取反span>

A<.25 >取反相与、高层的协议剑圭祅 style5 .1<>、

A  &polor:red;" 误检测<.25 >取反span>、高层的协议剑勾span>、

A  &.25 <.25 >取反span>、高层的协议剑勾span> >取反span>A >取反WERA

155 16"font-family:宋体;" >、一台IPn style"mtyle=pan>Backu12state-down "font-family:宋体;" >、利用分组交汇、磏 style"mtA >取反相与

A

&npan><.25 >取反相与、利用分组交恢直阜輓 styledownpolor:red;" ;" > >取反span>

A<.25 >取反相与、利用分组交淮蝞 style>

A  &.25 <.25 >取反span> >取反span>、利用分组交幻雙an>切换到备份X.12n style>

  &.25 <.25 >取反span>、利用分组交淮挝闯晒Γ蛉衔髀呒ǖ来τspan> >取反span>

A >取反WERA

 

159、高层的协议健⒌现),是和n style="font-family:宋n-left: 18pt;" >A

&npan><.25 >取反相与的描述n style>

<.25 >取反相与

  &.25 <.25 >取反span>n style="font-family:宋n-left: 18pt;" >A  &.25 <.25 >取反span> >取反span>

A >取反WERA

>155主机在启动时穝ppan>器中时刻维持着一张pan>表,这张pan>表可以是P <>

A

&npan><.25 >取反相与 n style="font-family:宋n-left: 18pt;" >A<.25 >取反span> n style="font-family:宋n-left: 18pt;" >  &.25 <.25 >取反span>n> n style="font-family:宋n-left: 18pt;" >  &.25 <.25 >取反span> n style="font-family:宋帧透明传输和错;" >A >取反WERA

155 >取反相与器/span>性能指标n> >取反span>

A

&npan><.25 >取反相与

A<.25 >取反span>

A  &.25 <.25 >取反span>

A  &polor:red;" 误检测<.25 >取反span>压缩比n stylen style>

A >取反WERA

 

159X.25 >取反span>参考模型的三 、&nbs通道的一般作用

A

&npan><.25 >取反相与 真n style>

A<.25 >取反span>

  &.25 <.25 >取反span>

  &.25 <.25 >取反span>通道n style>

    轴电缆联接

ANSWERA155、在一个接口舠pan>

Xe="font-family:宋体;" >协议包含了三豺网滩方柿

A

&npan><.25 >取反相与

<.25 >取反span>

  &.25 <.25 >取反span>

A >取反WERA

155、利用分组交弧⒓术 MA的

>取反span><.25 &nbs硁> 突发量n style>

&nbsspan>

.25
<.25
>取反span> 信息速率n style>

&nbsspan>

.25
<.25 、&nbs允许超出突发量n style>

A >取反WERA

>&nbsspan>

 

159

<.25 &nbsspan>

.25 <.25

&nbsspan>

.25 <.25

&nbsspan>

.25 <.25 >取反span>

.25
<.25
>取反span>

IPX完成统计复用、帧透明传输和错;" >A >取反WERA

稀穘>

&npan>&nbsspan>

E完成统计复用、p>155、在路由器上配謕an>器n style稀穘>

&npan>

AAAAAAAAA >取反span>器n style>

AAAAAAA >取反span>器串12n style"font-family:宋体;" >、高层的协议较嗔保教╬an>器是否可以型ㄐ沤)

>取反span>

D

.25
<.25
>取反span>

AANSWERA  

A >取反相与

AAA >取反相与主机在启动时5 >取反相与),是和n style="font-family:宋帧透明传输和错;" >A

&npan>

"font-family:宋体;" >主机在启动时5 >取反相与

A

"font-family:宋体;" >主机在启动时返姆段гspan> >取反相与

A&nbsspan>

1font-family:;" > >取反相与主机在启动时返姆段2n style>

、&nbsspan>

"font-family:宋体;" >主机在启动时5 >取反相与

AANSWERA  

159、一台IP以太网阌机组网中有环路出现也能正常工作,则是由于运/s衧 n style="font-family:宋帧透明传输和错;" >A

&npan>

801.z完成统计复用、帧透明传输和错;" >A

8an 3完成统计复用、n-left: 18pt;" >&nbsspan>

.25
<.25
&nbsspan>

.25
<.25
AANSWER
A  

159、高层的协议健ⅱ技侍接an style> >取反span>

>取反相与

.25
<.25 >取反相与

&nbsspan>

.25 <.25 >取反相与器n style>

&nbsspan>

.25 <.25 >取反相与

AANSWERA

&npan>

 

A主机在启动时贰⒓侍广踊拿縩>可以看做n> >取反span>

>取反相与

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

AANSWERA155 >取反相与、利用分组交晃谎诼爰尤肴笔⊙诼胗美椿肿油扛鲎油疃嘤an style> >取反span>

A

&npan>

510完成统计复用、ppolor:red;" ;" >

512完成统计复用、ppolor:red;" ;" >&nbsspan>

5 12完成统计复用、ppolor:red;" 误检测

、&nbsspan>

2046完成统计复用、ppolor:red;" ;" >ANSWERA  

159X.25 >取反span> n style="font-family:宋n-left: 18pt;" >

.25
<.25 &nbsspan>

.25 <.25

&nbsspan>

.25 <.25 AANSWERA

&npan>

>

"font-family:宋体;" >、
&nbsspan>

 

159、在一个接口舠p第>、高层的协议娇 n style> >取反相与)

.25
<.25  

&nbsspan>

.25
<.25 &nbsspan>

.25
<.25  

ANSWERA

18"font-family:宋体;" >、利用分组交弧 stylen stylenolor:red;" 误检测black;spanpan>号的目 >取反相与 >

n p><12style="margin-left: 18pt;spanpolor:red;" 误检测black;an>

&npan>

.25 <.25 >取反相与can>

.25 <.25 >取反相与号来预报目/sp

&nbsspan>

.25 <.25 >取反相与号维持会话 序,以及选择适当 τ胏an>

&nbsspan>

.25 <.25 >取反相与号polor:red;" 误检测fuchsia;span动态can>

AANSWERA&nbs类p >取反span>

A

&npan>

A

16完成统计复用、ppolor:red;" ;" >&nbsspan>

24完成统计复用、n-left: 18pt;" >&nbsspan>

.25
<.25

A >取反WERA

 

159、在路由器上配衷趐an>器拥如果去往同一目/sp<有多条pan>,则决定最佳pan>的因素 >取反span>

&npan>

.25 <.25 >取反相与的优先级can>

.25 <.25 >取反span>的发布者can>

、&nbsspan>

.25 <.25 >取反相与的can> >取反span>

&nbsspan>

.25 <.25 >取反span>的生存时间n style="font-family:宋帧透明传输和错;" >A >取反WERA

稀穘>

&npan>

>取反相与n> >取反span>

>取反span>包在pa宦间转送的一种n> n style="font-family:宋n-left: 18pt;" >

.25 <.25 >取反span>包中域 格式和用法的一种方实n style>

&nbsspan>

polor:red;" 误检测<.25 >取反span>选择的一个n> n style="f"can><12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 >取反span>、  >取反相与 n style="font-family:宋帧透明传输和错;" >A >取反WERA

、一台IPcan> >取反span> >取反span>

&npan>

.25 <.25

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25 <.25 A >取反WERA

稀穘>

&npan>

"font-family:宋体;" >、&nbsspan>

"font-family:宋体;" >、&nbsspan>

E完成统计复用、p>155、高层的协议絪pan>

R> >取反span> 引入pan>保持机制/s作用

A

&npan><.25 >取反相与

.25
<.25 >取反span>环路can>

&nbsspan>

.25 <.25 >取反span>不可达信息在全网扩散can>

&nbsspan>

.25 <.25 >取反span>器哪些pan>是从其处得绲n style>

A >取反WERA

 

主机在启动时贰⒍詐an>理解正确 >取反span>

A

&npan><.25 >取反相与是pan>器can>

.25 <.25 >取反span>是信息在蛲路径的X徊娴鉩an>

&nbsspan>

.25 <.25 >取反span>是用以

&nbsspan>

polor:red;" 误检测<.25 >取反span>就是p傅急ㄎ姆⑺偷穆肪缎畔an>

<1帧透明传输和错;" >A >取反WERA

 

A >取反相与n> n styleR> >取反span>

OSPFpolor:red;" ;" > >取反span>

IGR >取反span>各自得绲了一条到达目标蛲,在华为pan>器默认情况踔<钪昭⊙《 >取反span>作为最优pan>can>

C

&npan>

.25
<.25

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25
<.25 >取反相与can>

AANSWERA  

X.25器拥能用以下胊n>察扛从n>器的路n>表n style> >取反span>

A

&npan><.25

.25
<.25 &nbsspan>

.25 <.25

、&nbsspan>

DISPLAY IP ROUTE完成统计复用、帧透明传输和错;" >AANSWERA  

A、在一个接口舠pcan> >取反相与 >取反相与 >取反相与 >取反span>

A

&npan><.25 >取反相与

polor:red;" 误检测<.25
>取反span> >取反相与

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 >取反相与 >取反相与

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 >取反相与 >取反相与

<1帧透明传输和错;" >AANSWERA

、利用分组交弧⑸柚米魑鹘涌诘穆呒ǖ篮艚sn style >取反相与、高层的协议矫爰觳橐淮沃髀呒ǖ朗欠窕指碿an> >取反相与 >取反span>

<12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25
&nbsspan>

polor:red;" 误检测<.25

&nbsspan>

.25
<.25
AANSWERA >取反相与)

A

&npan>

1"font-family:宋体;" >、高层的协议矫譮an>

ss0polor:red;" ;" > >取反相与

&nbsspan>

18"font-family:宋体;" >、利用分组交幻譮an>

&nbsspan>

2s0polor:red;" ;" > >取反相与

ANSWERA  

、在路由器上配挚蓀an>蛲n> 的蛲/ >取反span>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

&npan>

.25 <.25 >取反相与

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

ANSWERA >取反相与

SNM >取反span> >取反span>

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25 <.25 ANSWERA  

A、一台IPcan>、&nbs层有哪些功能 >取反span>

>取反相与

.25
<.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

ANSWERA  

>取反相与

DHC >取反span> >取反span> >取反相与

5 < < <1完成统计复用、帧透明传输和错;" >A&nbsspan>

127< < <1完成统计复用、帧透明传输和错;" >A&nbsspan>

ANSWERA主机在启动时贰an> >取反相与)

>取反相与

.25
<.25
>取反相与

、&nbsspan>

.25 <.25 >取反相与

ANSWERA

>取反相与 >取反相与,但没有创建相应 n styleaccess listpolor:red;" ;" > >取反相与 >取反span>

>取反相与

.25 <.25 >取反相与包fan>&nbsspan>

.25 <.25 >取反相与包fan>&nbsspan>

.25 <.25 >取反相与包fan> >取反相与

out完成统计复用、2style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 >取反span>包fan> >取反相与

out完成统计复用、帧透明传输和错;" >ANSWERAX.25器防火墙作了如下

AA >取反相与

A >取反相与 >取反相与 >取反相与 >取反span>

>取反相与 >取反相与 >取反相与

.25
<.25
>取反相与、利用分组交唬梢匀我 <外部蛲资源can>

&nbsspan>

.25 <.25 >取反相与 >取反相与

&nbsspan>

.25 <.25 >取反相与、在一个接口磐维a宦可以与此内部网琣宦建立can> >取反相与

&nbsspan>

.25 <.25 >取反span>、在一个接口磐维a宦不可以与此内部网琣宦建立pan>号大 2n style5 24polor:red;" ;" > >取反相与 >取反相与

ANSWERA >取反相与

E完成统计复用、p> >取反相与 >取反span>器支持 n styleLMIpolor:red;" ;" > >取反相与

.25
<.25
&nbsspan>

.25 <.25

&nbsspan>

polor:red;" 误检测<.25

ANSWERA >取反相与

"font-family:宋体;" >、&nbsspan>

 

A、利用分组交弧⒅≈屑探鐾瓿 >取反span> n style>

>取反相与

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

、&nbsspan>

.25 <.25 >取反相与

ANSWERA  

A >取反span> ,其特点 <辉隍网躺洗溆没⒉淮溆没Э趎>,因此它的安全性较高can>

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25 <.25 ANSWERA、在路由器上配謋an> >取反相与 >取反span>

n p><12style="margin-left: 18pt;spanpolor:red;" ;" > >取反相与

.25
<.25
>取反相与

&nbsspan>

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

<1帧透明传输和错;" >ANSWERA >取反相与 >取反相与 >取反span>)

168.18.64< ~168.18.67e="5完成统计复用、帧透明传输和错;" >&nbsspan>

168.18.63< ~168.18.64e="5完成统计复用、帧透明传输和错;" >&nbsspan>

168.18.64e="5~168.18.67e="5完成统计复用、帧透明传输和错;" >ANSWERA  

A、一台IPcan> >取反相与 >取反span>

6完成统计复用、ppolor:red;" ;" >&nbsspan>

&nbsspan>

10完成统计复用、帧透明传输和错;" >ANSWER
A、高层的协议健⒐阌蛲ぷ髟2n styleOSIfolor:red;" ;" > >取反相与 >取反相与

>取反相与

.25
<.25
>取反相与粮从层fan>

&nbsspan>

.25
<.25 >取反相与粮从层和蛲层can>

&nbsspan>

.25 <.25 >取反相与粮从层和表示层can>

ANSWERA  

A主机在启动时贰an> >取反span> >取反相与

>取反相与

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

、&nbsspan>

.25 <.25 >取反span>

ANSWERA >取反相与 >取反相与)

A

&npan><.25 >取反相与

>取反span>

.25 <.25 >取反相与 >取反span>

、&nbsspan>

.25 <.25 >取反相与

>取反span>

&nbsspan>

.25 <.25 >取反相与、&nbs

>取反span>

ANSWERAX.25封装的过程 << >取反相与

>取反相与段fan> >取反相与包fan> >取反相与帧fan> >取反相与流fan> >取反相与fan>

.25 <.25 >取反相与流fan> >取反相与段fan> >取反相与包fan> >取反相与帧fan> >取反相与fan>

&nbsspan>

.25 <.25 >取反相与fan> >取反相与包fan> >取反相与段fan> >取反相与帧fan> >取反相与流fan>

、&nbsspan>

.25 <.25 >取反相与fan> >取反相与段fan> >取反相与包fan> >取反相与帧fan> >取反相与流fan>

ANSWERA  

A >取反相与粮从层哪个子层用于管理⒓蓟条粮从上设备间的通信 >取反相与

&npan>

.25 <.25

.25
<.25 &nbsspan>

.25 <.25 ANSWERA >取反相与

fan> >取反span> 中,计算fan> >取反相与 >取反span>

n p><12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25
>取反相与

&nbsspan>

.25 <.25 >取反相与

、&nbsspan>

.25 <.25 >取反相与跳数can>

ANSWERA  

A >取反相与

>取反相与

.25 <.25 &nbsspan>

.25 <.25 &nbsspan>

.25 <.25 >取反相与

ANSWERA  

A、在路由器上配謋an>、&nbs可以在 >取反span>

&npan>

.25 <.25 >取反相与

.25 <.25 >取反相与

&nbsspan>

.25 <.25 >取反相与

、&nbsspan>

.25 <.25 >取反相与

ANSWERA

&npan>

 

A >取反相与、&nbs类网,需要将网络分为can>、一台个子网,每个子网最多can> >取反相与 >取反相与

folor:red;" 误检测black;span2"5e="5e="5.224folor:red;" 误检测red;span>can><1帧透明传输和错;" >&nbsspan>

&nbsspan>

.25
<.25 family:宋体;span没有合适/s子网掩码can>

family:Gulim;spanANSWERcan> >取反相与

>

、一台、2n styleTC >取反span> 中,can>

&npan>

0---127完成统计复用、帧透明传输和错误检测

、&nbsspan>

1---126完成统计复用、ppolor:red;" ;" >&nbsspan>

1---127完成统计复用、帧透明传输和错;" >family:Gulim;spanANSWERcan> >取反相与

"完成统计复用、p> >取反相与算法好坏的原则不包括family:宋体;span)fan>

>取反相与

<12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25
family:宋体;span灵活性,弹性can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测
&nbsspan>

.25
<.25 family:宋体;span拓扑结构先进can>

&nbsspan>

.25 <.25 family:宋体;span选径是否是最佳can>

family:Gulim;spanANSWERcan> >取反相与

"完成统计复用、p>主机在启动时贰 )

1~99完成统计复用、帧透明传输和错;" >&nbsspan>

1~ss0完成统计复用、帧透明传输和错;" >&nbsspan>

1~s99完成统计复用、2style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span由网管人员规定can>

family:Gulim;spanANSWERcan> >取反相与

 

A >取反相与family:宋体;span的含义<< >取反span>

>取反相与 >取反相与family:宋体;span琣宦 n styletelnetfolor:red;" ;" >family:宋体;span

.25 <.25 family:宋体;span规则序列号是can> >取反相与、family:宋体;span

&nbsspan>

.25
<.25 family:宋体;span规则序列号是can> >取反相与、family:宋体;span

&nbsspan>

.25
<.25 family:宋体;span规则序列号是can> >取反相与family:宋体;span琣宦来 n stylerloginfolor:red;" ;" >family:宋体;span

ANSWERAX.25 >取反相与

>取反相与器荚太2n style>

.25 <.25 family:宋体;span集线器级连口到交换机级连口can>

、&nbsspan>

.25 <.25 family:宋体;span交换机普通口到交换机普通口之间can>

&nbsspan>

.25 <.25 family:宋体;span集线器普通口到集线器级连口之间can>

ANSWERA

"完成统计复用、p>family:宋体;span、从n>器中,can> >取反相与、&nbs表示 >取反相与

family:宋体;span本地

.25
<.25 family:宋体;span网内广播

&nbsspan>

.25 <.25 family:宋体;span网间广播

&nbsspan>

.25 <.25 family:宋体;span缺省从n>的网络

ANSWERA完成统计复用、 .25 A >取反相与 >取反相与

、&nbsspan>

.25 <.25 &nbssp同can><.25
family:宋体;span异步串2n style>

ANSWERA

&npan>

>

"完成统计复用、p>

can> >取反相与family:宋体;span通道可以 >取反span>

n p><12style="margin-left: 18pt;spanpolor:red;" 误检测

.25 <.25 family:宋体;span分别作为两个逻辑通道的备份接口can>

、&nbssp同时作为一个物理接口的两个备份接口can>

&nbsspcan><.25 family:宋体;span一个作为物理接口的备份接口,一个作为逻辑通道的接口can>

ANSWERA

&npan>

>pan>"完成统计复用、p>、在路由器上配謋an>

>取反span> >取反span>

&npan><.25 family:宋体;span指定了琣宦所属的网络can>

.25
<.25
family:宋体;span指定了网络上琣宦 标识can>

&nbsspcan><.25 family:宋体;span指定了设备能够进行通信的网络can>can><12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span指定了被寻/s祍子网中 哪掣鯴诘鉩an>

ANSWERA >取反相与 >取反span> 是基于 >取反span>

&npan><.25

.25
<.25 &nbsspcan><.25 &nbsspcan><.25 ANSWERA、一台、can> >取反span> 在<盏侥骋涣诰油胤⒉级 从n>信息后,下述对度量值的正确处理有哪些? >取反相与

family:宋体;span对本从n>表中没有 从n>>,只在度量值少于不可达时增加该从n>项can>

.25
<.25
family:宋体;span对本从n>表中已有 从n>>,当发送报文的网关相同时,只在度量值减少时更新该从n>项的度量值can>

&nbsspcan><.25 family:宋体;span对本从n>表中已有 从n>>,当发送报文的网关不同时,只在度量值减少时更新该从n>项的度量值can>

cap><12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span对本从n>表中已有 从n>>,当发送报文的网关相同时,只要度量值有改变,一定会更新该从n>项的度量值can>

ANSWERAfamily:宋体;spanspan>

"font-family:宋体;" >、&nbsspcan>  

A >取反相与family:宋体;span同一区域(区域can>

&npan> >取反span><12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span每台从n>器生>的can>

&npan>

.25 <.25 family:宋体;span每台从n>器根据该最短路径树计算出 从n>都是相同的can>

&nbsspcan><.25 family:宋体;span每台从n>器根据该can>

&nbsspcan><.25 family:宋体;span每台从n>器的区域can>

&npan>库)都是相同的can>

ANSWERA  

A主机在启动时贰⒓惶╟an> >取反相与、&nbs family:宋体;span)fan>

11111111完成统计复用、2style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25

family:宋体;span(考试显示是七位)fan>

family:Gulim;spanANSWERcan> >取反相与

"完成统计复用、p> >取反相与、&nbs family:宋体;span)fan>

&npan><.25 、&nbs 、&nbs得来 n style>

.25
<.25 、&nbs family:宋体;span个字2,他们从出厂时就被固化在网卡中can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

、&nbsspcan><.25 、&nbs

&nbsspcan><.25 family:宋体;span局域网中 募扑慊谂卸纤盏 广播帧是否为自己应该接收的方法<<卸现〉腸an>、&nbs

<1帧透明传输和错;" >ANSWERA

&npan>

>

"完成统计复用、p>X.25器显示如下信息:can>family:宋体;span,用户在该从n>器上输入了哪个命令family:宋体;span)fan>

.25
<.25
&nbsspcan><.25

、&nbsspcan><.25 ANSWERA  

Afamily:宋体;span、在对can>family:宋体;span从n>器进行family:宋体;span)fan>

family:宋体;span位为can> >取反相与

<12style="margin-left: 18pt;spanpolor:red;" 误检测

.25 <.25 family:宋体;span位为can> >取反相与
主机在启动时肺籧an>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span位为can> >取反相与
主机在启动时肺籧an>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span位为can> >取反相与 >取反相与

<1帧透明传输和错;" >ANSWERA  

A >取反相与 >取反span> 中,family:宋体;span)主要用于协商在该粮从上所传输 <包的格式与类型can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

&npan>

.25 <.25 family:宋体;span粮从控制n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25 >取反span> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span蛲层控制n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 >取反span>

CHA >取反span> can>

<1帧透明传输和错;" >ANSWERAfamily:宋体;span)fan>

>取反相与

<1帧透明传输和错;" >

25"font-family:宋体;" >、

<1帧透明传输和错;" >&nbsspcan>family:宋体;span比特can>

<1帧透明传输和错误检测
&nbsspcan> >取反相与

<1帧透明传输和错;" >ANSWER
A  

A、在路由器上配謋an> >取反span> ,其中 技淮挝帐<family:宋体;span)fan>

family:宋体;span被验证方直接将用户名和口令传递给验证方can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

.25 <.25 family:宋体;span验证方将一段随机报文和用户名传递到被验证方can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span被验证方生>一段随机报文,用自己的口令对这段随机报文进行加密,然后与自己的用户名一起传递给验证方can>

<1帧透明传输和错;" >ANSWERA  

A >取反相与器can>

&npan>

<1帧透明传输和错;" >family:宋体;span从n>器can>

<1帧透明传输和错;" >family:宋体;span当两台从n>器串2n style0polor:red;" ;" > >取反相与器是否可以连接到对端family:宋体;span)can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span能can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25
family:宋体;span不能can>

<1帧透明传输和错;" >ANSWER
A  

A、一台、与can>family:宋体;span属于同一网段p默a宦can>

>取反span>family:宋体;span)fan>

folor:red;" 误检测

&nbsspcan>&nbsspcan>family:Gulim;spanANSWERcan> >取反相与

 

A >取反相与

> >取反span>、family:宋体;span)fan>

190.23". < 完成统计复用、帧透明传输和错;" >&nbsspcan>&nbsspcan>family:Gulim;spanANSWERcan> >取反相与

 

>取反相与

can>
接收者不能处理更多时,那一层发出停止信息给发folor:red;" ;" >family:宋体;span送者family:宋体;span)can>caolor>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span蛲层pan>

.25
<.25
family:宋体;span传输层can>

&nbsspcan><.25 family:宋体;span会话层can>

&nbsspcan><.25 family:宋体;span表示层can>

ANSWERA  

A主机在启动时穝pan>

SNMPfolor:red;" ;" >family:宋体;span工作于 >取反span>

family:宋体;span蛲层pan>

.25
<.25
family:宋体;span传输层can>

&nbsspcan><.25 family:宋体;span会话层can>

&nbsspcan><.25 family:宋体;span表示层can>

&nbsspan>

.25
<.25
family:宋体;span应用层can>

ANSWERAA >取反相与

TCfamily:宋体;span,can>family:宋体;span,can>family:宋体;span属于can>family:宋体;span的family:宋体;span)fan>

family:宋体;span蛲层pan>

.25
<.25
family:宋体;span传输层can>

&nbsspcan><.25 family:宋体;span会话层can>

&nbsspcan><.25 family:宋体;span表示层can>

ANSWERA  

AX.25family:宋体;spann> 模型中,可以完成加密功能 <<family:宋体;span)fan>

family:宋体;span物理层can>

.25
<.25
family:宋体;span传输层can>

&nbsspcan><.25 family:宋体;span会话层can>

&nbsspcan><.25
family:宋体;span表示层can>

ANSWERfamily:宋体;span:can>caolor>

 

Afamily:宋体;span、在传输层采用了荚下哪些方法来保证接收缓冲区不溢出family:宋体;span)fan>

&npan>

.25
<.25
family:宋体;span分段caolor>>

.25
<.25
family:宋体;span确认机制caolor>>

&nbsspcan><.25
family:宋体;span流量控制caolor>>

&nbsspcan><.25
family:宋体;span滑动窗口can>

&nbsspan>

.25
<.25
family:宋体;span包分片can>

<1帧透明传输和错;" >ANSWERA

&npan>

>&nbsspcan>  

A >取反相与R> >取反span> 从n>聚合功能 <命令<family:宋体;span)fan>

.25
<.25

、&nbsspcan><.25 &nbsspcan><.25 ANSWERA环路 <方法 >取反span>

&npan><.25 family:宋体;span水平分割can>

.25
<.25
family:宋体;span抑制时间can>

&nbsspcan><.25 family:宋体;span毒性逆转caolor>>

、&nbsspcan><.25 family:宋体;span触发更新caolor>>

ANSWERA

&npan>

>

"font-family:宋体;" >、
&nbsspcan>  

A、在路由器上配窒旅婺囊幌钫访枋隽舜觧>n> (can>

family:宋体;span)fan>

family:宋体;span允许包在琣宦间传送的一种n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25 family:宋体;span定义包中域的格式和用法的一种方式caolor>>

&nbsspcan><.25 family:宋体;span通过执行一个算法来完成从n>选择的一种n> can>

cap><12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span指定caolor>MA"font-family:宋体;" >、&nbs

>取反span> can>

cap><1帧透明传输和错;" >ANSWERA >取反相与caolor>从n>环问题会引起( folor:red;" ;" >family:宋体;span)fan>
<12style="margin-left: 18pt;spanpolor:red;" 误检测

&npan>

.25 <.25 family:宋体;span慢收敛caolor>>

.25 <.25 family:宋体;span广播风暴can>

&nbsspcan><.25 family:宋体;span掠n>器重起caolor>>

&nbsspcan><.25 family:宋体;span从n>不一致caolor>>

ANSWERA

&npan>

>完成统计复用、p>、一台、某台从n>器上access-list 4 deny 202.38< < < <family:宋体;span表示:family:宋体;span)fan>

family:宋体;span只禁止源 family:宋体;span网段p乃蟹梦蔯aolor>>

.25
<.25 family:宋体;span只允许目的 family:宋体;span网段p乃蟹梦蔯aolor>>

&nbsspcan><.25 family:宋体;span检查源caolor>> >取反span>202.38< < folor:red;" ;" >family:宋体;span大网段p默a宦,但允许其中 腸an> >取反相与

&nbsspcan><.25 family:宋体;span检查目的can>

>取反span>202.38< < folor:red;" ;" >family:宋体;span大网段p默a宦,但允许其中 腸an> >取反相与

ANSWERA >取反相与

caolor>FTPfolor:red;" ;" >family:宋体;span控制连接端口号family:宋体;span)fan>
<1帧透明传输和错;" >

21完成统计复用、帧透明传输和错;" >&nbsspcan>&nbsspcan>ANSWER
A  

主机在启动时穝paolor:red;" 误检测black;span哪些是会话层 功能>family:宋体;span)fan>caolor>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span提供加密caolor>/folor:red;" ;" >family:宋体;span解密caolor>>

.25
<.25 family:宋体;span提供转换及格式caolor>>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span在不同琣宦间建立连接caolor>>cap><12style="margin-left: 18pt;spanpolor:red;" 误检测

、&nbsspcan><.25 family:宋体;span在蛲两个端系统间建立连接caolor>>cap><1帧透明传输和错;" >ANSWERA  

A >取反相与family:宋体;span)fan>

family:宋体;span两计算机不能通过双绞线直接连接caolor>>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25 主机在启动时穝paan> >取反相与3-"font-family:宋体;" >、X.254-5polor:red;" ;" > >取反相与5-5polor:red;" ;" > >取反相与6-"font-family:宋体;" >、

7-"font-family:宋体;" >、在路由器上配謈aolor>8-8完成统计复用、2style="margin-left: 18pt;spanfolor:red;" 误检测

、&nbsspcan><.25 、X.252-"font-family:宋体;" >、

3-"font-family:宋体;" >主机在启动时穝paan>family:宋体;span、caolor>5-5polor:red;" ;" > >取反相与6-1font-family:;" > >取反相与7-"font-family:宋体;" >、在路由器上配謈aolor>8-8完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspcan><.25 >取反相与2-"font-family:宋体;" >主机在启动时穝paan>、

4-4folor:red;" ;" >family:宋体;span、caolor>5-5polor:red;" ;" > >取反相与6-"font-family:宋体;" >、
X.257-"font-family:宋体;" >、在路由器上配謈aolor>8-8完成统计复用、帧透明传输和错;" >ANSWER
AX.25family:宋体;span)与其他设备连接起来caolor>>

&nbs接口can>

.25
<.25 family:宋体;span接口can>

、&nbsspcan><.25 >取反相与

&nbsspcan><.25 主机在启动时方涌赾an>

ANSWERAfamily:宋体;span、从n>器是一种用于蛲互连 募扑慊璞福魑觧>器,并不具备 <<family:宋体;span)fan>

family:宋体;span一组从n>n> can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

.25 <.25 family:宋体;span计费功能caolor>>

&nbsspan>

.25 <.25 family:宋体;span支持两种以上的子网n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspcan><.25 family:宋体;span具有存储、转发、寻径功能caolor>>

ANSWERA  

>取反相与

caolor>folor:red;" 误检测black;span在Quidwayfolor:red;" ;" >family:宋体;span从n>器中 腸aolor>IPXcolor:red;" ;" >family:宋体;spann> 支持family:宋体;span)封装格式caolor>color:red;" 误检测caolor>cap><12style="margin-left: 18pt;spanpolor:red;" 误检测

.25 <.25 &nbsspan>

.25 <.25 &nbsspcan><.25

、&nbsspan>

.25 <.25 family:宋体;spanspan>

.25
<.25 ANSWERA

&npan>

>

"font-family:宋体;" >、
&nbsspcan>A

caolor>荚下那个n> 是IPXcolor:red;" ;" >family:宋体;span 从n>n> family:宋体;span)caolor>folor:red;" text-decoration:underline;span>caolor>cap><12style="margin-left: 18pt;spanpolor:red;" 误检测

.25
<.25 &nbsspan>

.25
<.25 <完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspcan><.25 ANSWER
A、在路由器上配謈aolor>VLANcolor:red;" ;" >family:宋体;span的划分方法 哪些family:宋体;span)fan>

family:宋体;span基于设备的端口caolor>>

.25
<.25 family:宋体;span基于n> can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测&nbsspan>

.25
<.25 family:宋体;span基于caolor>MA"font-family:宋体;" >、
&nbs
>

&nbsspcan><.25 family:宋体;span基于物理位置caolor>>

ANSWERAfamily:宋体;spanspan>

>

"完成统计复用、p> >取反相与ISDN BRIfolor:red;" ;" >family:宋体;span<family:宋体;span)通道caolor>>

30B+

 

<2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspan>

.25
<.25 family:宋体;span同电缆caolor>>

&nbsspcan><.25 family:宋体;span普通电话线caolor>>

ANSWERA、一台、没有任何子网划分 腸aolor>IPcolor:red;" ;" >family:宋体;span 125.3.54.5"font-family:宋体;" >、family:宋体;span)fan>

125.3. < 完成统计复用、帧透明传输和错;" >&nbsspan>

125.3.54. 完成统计复用、帧透明传输和错;" >&nbsspcan>family:Gulim;spanANSWERcan> >取反相与

A完成统计复用、p> >取反相与NATcolor:red;" ;" >family:宋体;span叙述正确 <<family:宋体;span)caolor>>

family:宋体;span是英文caolor>color:red;" ;" >family:Calibri;span"caolor>color:red;" ;" >family:宋体;span color:red;" ;" >family:Calibri;span"caolor>color:red;" ;" >family:宋体;span 乃跣矗殖

.25
<.25 family:宋体;span用来实现私有 >

&nbsspan>

.25
<.25 family:宋体;span 蹦诓框网 默a宦访问外部蛲 氖焙颍欢ú恍枰猚aolor>NAT完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspcan><.25 family:宋体;span > >取反span>>

ANSWERAfamily:宋体;spanspan>

>lor>

 

A主机在启动时贰⒅≈屑淌且恢family:宋体;span)的n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" > family:宋体;span面向连接caolor>>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25 family:宋体;span蛲n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25
<.25 family:宋体;span面向无连接caolor>>cap><1帧透明传输和错;" >ANSWER
A >取反相与family:宋体;span)技术,能充分利用蛲资源,因此帧中继具有吞吐量高、时延低、适合突发性业务等特点can>

family:宋体;span存储转发caolor>>

color:red;" 误检测<.25 family:宋体;span虚电路技术caolor>caolor>>

&nbsspan>

.25
<.25 family:宋体;span半永久连接caolor>>cap><12style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspcan><.25 family:宋体;span 缏方换患际鮟aolor>>

ANSWERA  

X.25family:宋体;span)从n>n> 存在从n>自环问题caolor>>

&npan>

.25
<.25 <完成统计复用、2style="margin-left: 18pt;spanfolor:red;" 误检测

.25
<.25 &nbsspan>

.25
<.25 &nbsspcan><.25 ANSWERAfamily:宋体;spanspan>

>完成统计复用、p .25 Afamily:宋体;span、关于can>< V"font-family:宋体;" >主机在启动时泛蚦an>< V1font-family:;" > >取反相与family:宋体;span)caolor>>

主机在启动时繁ㄎ闹С肿油诼隿an>

.25
<.25 < V1font-family:;" > >取反相与

&nbsspan>

.25
<.25 < V1font-family:;" > >取反相与聚合功能caolor>>

&nbsspcan><.25 < V"font-family:宋体;" >主机在启动时分恢С直ㄎ 募虻タ诹钊现ぃ鴆aolor>R>< V1font-family:;" > >取反相与MD5polor:red;" ;" > >取反相与>

ANSWERA

"font-family:宋体;" >、&nbsspan>

 

A >取反相与

caolor>通常情况下IGRfamily:宋体;span如何获得从n>信息:family:宋体;span)fan>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span多播caolor>>

.25
<.25 family:宋体;span单播和多播caolor>>

、&nbsspan>

.25 <.25 family:宋体;span广播caolor>>

&nbsspcan><.25 family:宋体;span多播和广播caolor>>

ANSWERAfamily:宋体;span)caolor>>

&npan>

.25 <.25 family:宋体;span需要进行冲突检测caolor>>

.25 <.25 family:宋体;span仅能实现半双工流量控制caolor>>

、&nbsspan>

.25 <.25 family:宋体;span利用caolor>CSMA/C"font-family:宋体;" >、&nbs介质访问机制caolor>>

ANSWERA

&npan>

>

"完成统计复用、p>、在路由器上配直泶锍蒫aolor>175<family:宋体;span的子网掩码<family:宋体;span)caolor>>

&nbsspan>

&nbsspan>

.25
<.25 family:宋体;span依赖于

ANSWERA  

>取反相与caolor>UDfamily:宋体;span段使用family:宋体;span)提供可靠性caolor>color:red;" text-decoration:underline;span>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >family:宋体;span网际n> can>

<12style="margin-left: 18pt;spanpolor:red;" 误检测

.25
<.25 family:宋体;span应用层n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25
<.25 family:宋体;span蛲层n> can>

<12style="margin-left: 18pt;spanpolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span传输控制n> can>

<1帧透明传输和错;" >ANSWERA  

、一台、蓟个子网网段 family:宋体;span掩码为can>family:宋体;span蛲,他蓟个有效子网网段 family:宋体;span)caolor>>

color:red;" 误检测

&nbsspan>

2.3.48< 完成统计复用、pcolor:red;" ;" >&nbsspan>

2.4.172a 完成统计复用、pcolor:red;" ;" >family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>c/strong>caolor>

 

family:宋体;span、帧中继采用的格式<family:宋体;span)fan>

.25
<.25  

<2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspan>

.25
<.25 &nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>c/strong>caolor>"完成统计复用、p .25 A主机在启动时穝pan>

caolor>广域网支持的n> 不包括( folor:red;" ;" >family:宋体;span)fan>cap><12style="margin-left: 18pt;spanpolor:red;" ;" >

.25
<.25 &nbsspan>

.25
<.25

&nbsspan>

.25 <.25 <完成统计复用、帧透明传输和错;" >ANSWERA  

>取反相与family:宋体;span)是caolor>LMIfolor:red;" ;" >family:宋体;spann> 功能caolor>>

&npan>

.25
<.25 family:宋体;span维护链路状态caolor>>

.25 <.25 family:宋体;span维护caolor>PV"font-family:宋体;" >、&nbs的状态caolor>>

、&nbsspan>

.25 <.25 family:宋体;span通知caolor>PV"font-family:宋体;" >、&nbs的增加caolor>>cap><12style="margin-left: 18pt;spanpolor:red;" 误检测

、&nbsspcan><.25 family:宋体;span通知caolor>PV"font-family:宋体;" >、&nbs的删除caolor>>

ANSWERA

&npan>

>

"font-family:宋体;" >、
&nbsspan>

 

X.25在蛲层时,我们称之为family:宋体;span)caolor>>

family:宋体;span段caolor>>

color:red;" 误检测<.25 family:宋体;span包caolor>caolor>>

&nbsspan>

.25 <.25 family:宋体;span位caolor>>

&nbsspan>

.25 <.25 family:宋体;span帧caolor>>

ANSWERA  

family:宋体;span、荚下关于以太网交换机的说法哪些是正确 <:caolor>>

family:宋体;span以太网交换机是一种工作在蛲层的设备caolor>>

.25 <.25 family:宋体;span以太网交换机最基本 工作原理就是caolor>802.1

 

<2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span生成树n> 解决了荚太网交换机组建虚拟局域网的n枨骳aolor>>

&nbsspan>

color:red;" 误检测<.25 family:宋体;span使用荚太网交换机可以隔离冲突域caolor>caolor>>

ANSWERA  

>取反相与Quidwayfolor:red;" ;" >family:宋体;span从n>器上命令行最多保存的历史命令数family:宋体;span)caolor>>

1s完成统计复用、帧透明传输和错;" >&nbsspan>

20完成统计复用、帧透明传输和错;" >&nbsspan>

family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>c/strong>caolor>A完成统计复用、p>family:宋体;span)caolor>>

&npan>

.25
<.25

.25
<.25 &nbsspan>

.25
<.25 &nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>c/strong>caolor>Acolor:red;" ;" >family:宋体;spanspan>

 

、在路由器上配旨韵率粲谡 <琣宦的caolor>> >取反span>family:宋体;span)fan>

127.32a5.62完成统计复用、帧透明传输和错;" >&nbsspan>

202.112a5. 完成统计复用、pcolor:red;" 误检测

、&nbsspan>

162.111.111.111完成统计复用、帧透明传输和错;" >ANSWERA  

>取反相与color:red;" ;" >family:Calibri;span"gt portnumber"caolor>color:red;" ;" >family:宋体;span表示控制 <<family:宋体;span)fan>

family:宋体;span端口号小于此数字的服务caolor>>

.25
<.25 family:宋体;span端口号大于此数字的服务caolor>>

&nbsspan>

.25 <.25 family:宋体;span端口号等于此数字的服务caolor>>

&nbsspan>

.25 <.25 family:宋体;span端口号不等于此数字的服务caolor>>

ANSWERA  

、一台、caolor>>family:宋体;span从n>n> 每隔family:宋体;span)秒就会将自己 腸aolor>R>family:宋体;span从n>表广播给相邻 从n>器caolor>>

20完成统计复用、帧透明传输和错误检测

、&nbsspan>

6 完成统计复用、pcolor:red;" ;" >&nbsspan>

18 完成统计复用、pcolor:red;" ;" >ANSWERAAfamily:宋体;span、caolor>can>family:宋体;span口进行拨号时,发现没有配置caolor>Dialer in-bandcolor:red;" ;" >family:宋体;span也能拨号,这是因为family:宋体;span)caolor>color:red;" background-误检测#d9d9d9; text-decoration:underline;span>cap><12style="margin-left: 18pt;spanpolor:red;" 误检测

&npan>

.25 <.25 family:宋体;span对于can>family:宋体;span口不需要caolor>Dailer in-bandcolor:red;" ;" >family:宋体;span这条命令caolor>>

.25 <.25 family:宋体;span不可能发生这种情况,一定是这位用户记错了caolor>>

&nbsspan>

.25 <.25 family:宋体;span只有接收呼叫时才需要caolor>Dialer in-bandcolor:red;" ;" >family:宋体;span这条命令caolor>>

&nbsspan>

.25 <.25 family:宋体;span对于can>family:宋体;span口系统默认使能了caolor>DC"完成统计复用、pcolor:red;" ;" >ANSWERA主机在启动时穝p设置主接口由caolor>Upcolor:red;" ;" >family:宋体;span转caolor>Downcolor:red;" ;" >family:宋体;span后延迟caolor>3 color:red;" ;" >family:宋体;span秒切换到备份接口,主接口由caolor>Downcolor:red;" ;" >family:宋体;span转caolor>Upcolor:red;" ;" >family:宋体;span后caolor>6 color:red;" ;" >family:宋体;span秒钟切换回主接口的配置为family:宋体;span)caolor>>

.25
<.25 &nbsspan>

.25
<.25

、&nbsspan>

.25 <.25 ANSWERA  

>取反相与器及琣宦family:宋体;span)fan>

224a a as完成统计复用、帧透明传输和错;" >&nbsspan>

224a a a6完成统计复用、帧透明传输和错;" >&nbsspan>

224a a a9完成统计复用、帧透明传输和错;" >ANSWER
Afamily:宋体;span单选Acaolor>>

X.25SMTPcolor:red;" ;" >family:宋体;span工作于family:宋体;span)caolor>>

family:宋体;span网层caolor>>

.25
<.25 family:宋体;span传输层can>

&nbsspan>

.25 <.25 family:宋体;span会话层can>

&nbsspan>

.25 <.25 family:宋体;span表示层can>

family:宋体;spanspan>

.25 <.25 family:宋体;span应用层caolor>>

ANSWERAAfamily:宋体;span、某从n>器从n>表如下:caolor>>

family:宋体;span此时当该从n>器从荚太网口收到一个发往caolor>11.1.1.1color:red;" ;" >family:宋体;span琣宦的包时,从n>器如何处理family:宋体;span)caolor>>

family:宋体;span丢掉caolor>>

.25 <.25 family:宋体;span从caolor>Serial color:red;" ;" >family:宋体;span转发caolor>>

&nbsspan>

.25 <.25 family:宋体;span从caolor>Ethernet color:red;" ;" >family:宋体;span转发caolor>>

&nbsspan>

.25 <.25 family:宋体;span从caolor>LoopBack color:red;" ;" >family:宋体;span转发caolor>>

ANSWERA >取反相与器从n>表如下:caolor>>

family:宋体;span此时当该从n>器从荚太网口收到一个发往caolor>10.1.1.1color:red;" ;" >family:宋体;span琣宦的包时,从n>器如何处理family:宋体;span)caolor>>

family:宋体;span从caolor>Serial color:red;" ;" >family:宋体;span转发给caolor>2.2.2.1完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >

.25 <.25 family:宋体;span从caolor>Ethernet color:red;" ;" >family:宋体;span转发给caolor>2.2.2.1完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span从caolor>Serial color:red;" ;" >family:宋体;span转发给目标琣宦caolor>>

&nbsspan>

.25 <.25 family:宋体;span从caolor>Ethernet color:red;" ;" >family:宋体;span转发给目标琣宦caolor>>

ANSWERAfamily:宋体;span掩码为can>family:宋体;span蛲,它允许的最大琣宦family:宋体;span)caolor>>

5.32a25pa&nbsspan>

5.63a&nbsspan>

5.63aANSWERA  

、在路由器上配衷诩桓鲎油诼胛猚an>family:宋体;span的网中,family:宋体;span)是合法的网段 >

color:red;" 误检测>

&nbsspan>

150.150.8< 完成统计复用、pcolor:red;" ;" >&nbsspan>

150.150.16a 完成统计复用、帧透明传输和错;" >family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>c/strong>caolor>

 

>取反相与PPPcolor:red;" ;" >family:宋体;span琣要由family:宋体;span)n> 组成caolor>>

&npan>

.25
<.25
family:宋体;span链路控制n> 族caolor>>

.25 <.25 family:宋体;span网层控制n> 族caolor>>

&nbsspan>

.25 <.25 family:宋体;span扩展n> 族caolor>>

&nbsspan>

.25 <.25 family:宋体;spann> caolor>>

ANSWERA

&npan>

 

、一台、下面关于can>family:宋体;span的n鹗霾徽 <<family:宋体;span)caolor>>

family:宋体;span只具有本 匾庖錭aolor>>

.25 <.25 family:宋体;span是由caolor>DCEcolor:red;" ;" >family:宋体;span侧分配 腸aolor>>

&nbsspan>

.25 <.25 family:宋体;span用户可用的caolor>DL"Ifolor:red;" ;" >family:宋体;span范围是caolor>16-1007完成统计复用、2style="margin-left: 18pt;spanfolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span不同的物理接口可以配置相同的caolor>DL"Ifan>

family:宋体;spanspan>

.25 <.25 family:宋体;span相同的物理接口可以配置相同的caolor>DL"I完成统计复用、帧透明传输和错;" >ANSWERA  

family:宋体;span、吉从蓟台琣宦远程登录到另蓟台琣宦,使用的应用程序为family:宋体;span)caolor>>

.25
<.25 &nbsspan>

.25 <.25 >

&nbsspan>

.25 <.25 ANSWERAAfamily:宋体;span、七十至八十年代由于认识到商业计算的复杂性,产生了family:宋体;span)caolor>>

&npan>

.25
<.25
family:宋体;span局域网caolor>>

.25 <.25 family:宋体;span广域网caolor>>

&nbsspan>

.25 <.25 &nbsspan>

.25 <.25 family:宋体;span基于琣宦架构的低速串行联接caolor>>

ANSWERA >取反相与family:宋体;span)caolor>>

.25 <.25 <>>

&nbsspan>

.25
<.25 family:宋体;span类caolor>>

&nbsspan>

color:red;" 误检测<.25 family:宋体;span以上都不是caolor>caolor>>

ANSWERA  

X.25OSPFcolor:red;" ;" >family:宋体;span的自治系统之内:family:宋体;span)caolor>>

family:宋体;span骨干区域自身也必须连通的caolor>>

.25 <.25 family:宋体;span非骨干区域自身也必须连通的caolor>>

&nbsspan>

.25 <.25 family:宋体;span必须存在蓟个骨干区域(区域号为can>

family:宋体;span)fan>

&nbsspan>

.25 <.25 family:宋体;span非骨干区域与骨干区域必须直接相连或逻辑上相连caolor>>

ANSWERA

&npan>

"font-family:宋体;" >、&nbsspan>

 

family:宋体;span、caolor>IGRPcolor:red;" ;" >family:宋体;span综合从n>权包括荚下哪些因素:caolor>>

&npan>

.25 <.25 family:宋体;span带宽caolor>>

.25 <.25 family:宋体;span时延caolor>>

、&nbsspan>

.25 <.25 family:宋体;span跳数caolor>>

、&nbsspan>

.25 <.25 family:宋体;span信道可信度caolor>>

family:宋体;spanspan>

.25 <.25 family:宋体;span信道占有率caolor>>

family:宋体;spanspan>

.25 <.25 family:宋体;span最大传输单元caolor>>

ANSWERA

&npan>

>

"font-family:宋体;" >、
&nbsspan>

"font-family:宋体;" >、&nbsspan>

Ecolor:red;" ;" >family:宋体;spanspan>

F完成统计复用、p> >取反相与Quidwayfolor:red;" ;" >family:宋体;span从n>器访问控制列表默认 过滤模式<

family:宋体;span)fan>

family:宋体;span拒绝caolor>>

.25
<.25
family:宋体;span允许caolor>>

&nbsspan>

.25 <.25 family:宋体;span必须配置caolor>>

ANSWERA  

caolor>color:red;" 误检测black;span当从n>器接收到>family:宋体;span报文的caolor>TTLcolor:red;" ;" >family:宋体;span值等于caolor>1color:red;" ;" >family:宋体;span时,采取 牟呗<family:宋体;span)fan>

can>cap>family:宋体;span丢掉该分 caolor>>

.25 <.25 family:宋体;span转发该分 caolor>>

&nbsspan>

.25 <.25 family:宋体;span将该分 分片caolor>>

&nbsspan>

.25 <.25 family:宋体;span以上答案均不对caolor>>

ANSWERA  

、在路由器上配謈aolor>TELNETcolor:red;" ;" >family:宋体;span工作于family:宋体;span)caolor>>

family:宋体;span网层caolor>>

.25 <.25 family:宋体;span传输层can>

&nbsspan>

.25 <.25 family:宋体;span会话层can>

&nbsspan>

.25 <.25 family:宋体;span表示层can>

family:宋体;spanspan>

color:red;" 误检测<.25 family:宋体;span应用层caolor>caolor>>

ANSWERAA >取反相与caolor>使能DC"color:red;" ;" >family:宋体;span的命令<family:宋体;span)fan>

cantrong>caolor>

.25
<.25
family:宋体;spanspan>

.25
<.25

、&nbsspan>

.25 <.25 ANSWERA  

、一台family:宋体;span)命令可以显示接口的caolor>IPXcolor:red;" ;" >family:宋体;span>

.25
<.25 family:宋体;spanspan>

.25
<.25 &nbsspan>

.25 <.25 ANSWERA  

family:宋体;span、指定同caolor>/color:red;" ;" >family:宋体;span异步串口caolor>1color:red;" ;" >family:宋体;span和caolor>1font-family:;" > >取反相与family:宋体;span和caolor>1 color:red;" ;" >family:宋体;span的配置为family:宋体;span)caolor>>

.25
<.25 family:宋体;spanspan>

.25
<.25

、&nbsspan>

.25 <.25 ANSWERA  

family:宋体;spanspan>

Va<4color:red;" ;" >family:宋体;span接口工作在同步方式下最高传输速率<family:宋体;span)fan>

115200bps完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

2048000bps完成统计复用、帧透明传输和错;" >&nbsspan>

4096000bps完成统计复用、帧透明传输和错;" >ANSWER
AA >取反相与STPcolor:red;" ;" >family:宋体;spann> 中,当网桥的优先级一致时,荚下family:宋体;span)将被选为根桥caolor>>

&npan>

.25
<.25
family:宋体;span拥有最小caolor>MA"color:red;" ;" >family:宋体;span >

.25
<.25 family:宋体;span拥有最大caolor>MA"color:red;" ;" >family:宋体;span >

family:宋体;spanspan>

.25 <.25 family:宋体;span端口优先级数值最高的网桥caolor>>

&nbsspan>

.25 <.25 family:宋体;span端口优先级数值最低的网桥caolor>>

ANSWERAAX.25family:宋体;span)是华为公司具有完全自主知识产权的网络操作系统caolor>>

.25 <.25

family:宋体;spanspan>

.25 <.25 &nbsspan>

.25 <.25 ANSWERA

family:宋体;spanspan>

caolor>color:red;" 误检测black;span荚下关于荚太网交换机交换方式的n鹗鲋衏olor:red;" ;" >family:宋体;span,哪些是正萻的family:宋体;span)fan>

can>caolor>

family:宋体;span方式不能检测出超短帧family:宋体;span字节)fan>

.25
<.25 family:宋体;span方式交换时,交换机不对荚太网帧进行过滤caolor>>

family:宋体;spanspan>

.25 <.25 family:宋体;span使用caolor>Cut-throughcolor:red;" ;" >family:宋体;span方式,荚太网帧将不会在交换机中作任何存储caolor>>

&nbsspan>

.25 <.25 family:宋体;span方式交换时,交换机将对荚太网帧进行逐个过滤caolor>>

ANSWERA

"color:red;" ;" >family:宋体;spanspan>

 

>取反相与

family:宋体;span)fan>

family:宋体;span桥能隔离网层广播caolor>>

.25 <.25 family:宋体;span中继器是工作在物理层的设备caolor>>

family:宋体;spanspan>

.25 <.25 family:宋体;span从n>器是工作在网层的设备caolor>>

&nbsspan>

.25 <.25 family:宋体;span荚太网交换机工作在链路层can>

ANSWERA链路层可提供 功能有

family:宋体;span)fan>

family:宋体;span对分段caolor>>

.25 <.25 family:宋体;span提供逻辑
>

family:宋体;spanspan>

.25 <.25 family:宋体;span提供流控功能及差错控制caolor>>

ANSWERA、在路由器上配謈aolor>ISDNcolor:red;" ;" >family:宋体;span中,caolor>Ucolor:red;" ;" >family:宋体;span接口指 <<

family:宋体;span)fan>

family:宋体;span到终端的接口caolor>>

.25 <.25 family:宋体;span电话线到caolor>NT1color:red;" ;" >family:宋体;span的接口caolor>>

family:宋体;spanspan>

.25 <.25 family:宋体;span交换机到用户板的接口caolor>>

ANSWERA  

>取反相与color:red;" 误检测black;spanva<4color:red;" ;" >family:宋体;span接口规程电气特性符合

family:宋体;span)标准caolor>color:red;" 误检测

canpan>caolor>

X.21完成统计复用、帧透明传输和错误检测

family:宋体;spanspan>

EIA/TIA RS232完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >&nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>"完成统计复用、p .25

、一台、caolor>can>family:宋体;spann> 中,验证端口的缺省值为

family:宋体;span)caolor>color:red;" 误检测red; background-误检测#d9d9d9;span>

canpan>caolor>

1813完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

8080完成统计复用、帧透明传输和错;" >&nbsspan>

8081完成统计复用、帧透明传输和错;" >family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

family:宋体;span、在荚下caolor>OSPFcolor:red;" ;" >family:宋体;span和caolor>IS-IScolor:red;" ;" >family:宋体;span的比较中,那一项不属于两者的相同点

family:宋体;span)caolor>>c/p>family:宋体;span两者都是动态从n>n> caolor>>

.25
<.25
family:宋体;span两者都属于链路状态从n>n> caolor>>

family:宋体;spanspan>

.25
<.25 family:宋体;span两者都支持caolor>VLSM完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >&nbsspan>

.25 <.25 family:宋体;span两者都使用caolor>>family:宋体;spann> 报文来承载从n>信息caolor>>

ANSWERAfamily:宋体;span、荚下关于caolor>Ripcolor:red;" ;" >family:宋体;span从n>聚合的说法正确 <<family:宋体;span)caolor>>

family:宋体;span默认支持从n>聚合,需要时可以关闭从n>聚合功能caolor>>c/p>

color:red;" 误检测<.25 family:宋体;span华为caolor>Quidway color:red;" ;" >family:宋体;span系列从n>器caolor>Rip V1font-family:;" > >取反相与聚合功能caolor>caolor>>c/p>family:宋体;spanspan>

color:red;" 误检测<.25
family:宋体;span不支持子网n>聚合到蓟个非自然子网n>caolor>caolor>>c/p>&nbsspan>

.25 <.25 >取反相与聚合到蓟个非自然子网n>caolor>caolor>>c/p>ANSWERA

"color:red;" ;" >family:宋体;spanspan>

 

>取反相与

family:宋体;span琣宦family:宋体;span)caolor>>

family:宋体;span 1color:red;" ;" >family:宋体;span也可以全caolor>0完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >

.25
<.25
<>family:宋体;span 1color:red;" ;" >family:宋体;span也可以全caolor>0完成统计复用、2style="margin-left: 18pt;spancolor:red;" 误检测

family:宋体;spanspan>

.25 <.25 <>family:宋体;span 1color:red;" ;" >family:宋体;span也不可以全caolor>0完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >&nbsspan>

.25 <.25 <>family:宋体;span 1color:red;" ;" >family:宋体;span也可以全caolor>0完成统计复用、帧透明传输和错;" >ANSWERAX.25链路层的主要功能( ):caolor>>c/p><.25 family:宋体;span提供对物理层的控制caolor>caolor>>c/p>

.25
<.25
family:宋体;span差错控制caolor>>c/olor>cap>family:宋体;spanspan>

.25
<.25 family:宋体;span流量控制caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span决定传输报文的最佳n>caolor>>c/p>ANSWERA

&npan>

>

"完成统计复用、p .25 family:宋体;span、在caolor>ISOcolor:red;" ;" >family:宋体;span定义的七层参考模型中,对链路层的描述正确 <<<篶aolor>>c/p>family:宋体;span<迪传输所需要的机械,接口,电气等属性caolor>>

.25
<.25
family:宋体;span实施流量监控,错误检测,链路管理,物理寻/scaolor>>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span检查网拓扑结构,进行n>选择和报文转发caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span提供应用软件的接口caolor>>

ANSWERA  

>取反相与192.168.19.255/2 color:red;" ;" >family:宋体;span,下列说法正确 <<<篶aolor>>c/p>family:宋体;span这时蓟个广播 >

size:9pt;span>

.25 <.25 family:宋体;span这是一个网 >

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

color:red;" 误检测<.25 family:宋体;span这是一个私有 caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span 192.168.19. color:red;" ;" >family:宋体;span网段上caolor>>c/p>family:宋体;spanspan>

color:red;" 误检测<.25
family:宋体;span 192.168.16. color:red;" ;" >family:宋体;span网段上caolor>caolor>>c/p>family:宋体;spanspan>

.25
<.25 family:宋体;span这是一个公有 >c/p>ANSWERAfamily:宋体;spanspan>

E完成统计复用、 .25 A

family:宋体;span)caolor>>c/p>family:宋体;span交换机caolor>>c/p>

.25
<.25
family:宋体;span从n>器caolor>>c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span中继器caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span集线器caolor>>c/p>ANSWERAfamily:宋体;spanspan>

 

、在路由器上配帜壳埃夜褂米罟惴旱腸aolor>LANcolor:red;" ;" >family:宋体;span标准是基于caolor>_____color:red;" ;" >family:宋体;span的荚太网标准caolor>>c/p>

.25
<.25 family:宋体;spanspan>

.25
<.25 >c/p>&nbsspan>

.25 <.25 ANSWERA >取反相与OSIcolor:red;" ;" >family:宋体;span参考模型的会话层协商发送端手段 工作方式caolor>>c/p>family:宋体;spanspan>

True完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >family:宋体;spanspan>

.25
<.25
ANSWERA、一台、本地网上的琣宦通过下列所述的那种方式查找其它的网设备<

family:宋体;span)caolor>>c/p>family:宋体;span端口号caolor>>

.25
<.25
family:宋体;span硬件>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span默认网关caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span逻辑网 >

ANSWERA  

family:宋体;span、下面哪一些选项是物理层的基本功能:caolor>>c/p> family:宋体;span在终端设备之间传送比特流caolor>>c/p>

.25 <.25 family:宋体;span建立、维护虚电聅,进行差错检验和流量控制caolor>>c/p>family:宋体;spanspan>

color:red;" 误检测<.25
family:宋体;span定义电压、接口、线缆标准、传输距离等特性caolor>caolor>>c/p>&nbsspan>

.25 <.25 family:宋体;span进行最佳n>选择caolor>>c/p>ANSWERA

&npan>

"完成统计复用、p .25 family:宋体;span、

family:宋体;span)用来查看与邻居从n>器之间 关系caolor>>c/p>

.25
<.25
family:宋体;spanspan>

.25
<.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 ANSWERA  

>取反相与Quidway R2501color:red;" ;" >family:宋体;span(假设为caolor>RT稀穘>

&npan>RT>

&npan>>family:宋体;span family:宋体;span,caolor>RT>>family:宋体;span family:宋体;span,caolor>RT稀穘>

&npan>>family:宋体;span 、RT>

family:宋体;span 、family:宋体;span(仅仅caolor>RIP V1color:red;" ;" >family:宋体;span)n> ,那么,下列说法正确 <<莄an>

c/p>family:宋体;span在caolor>RT稀穘>

&npan>RT>

c/p>

.25
<.25
family:宋体;span在caolor>RT>RT稀穘>

&npan>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span在caolor>RT稀穘>

&npan>RT>

c/p> size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25 <.25 family:宋体;span在caolor>RT>RT稀穘>

&npan>

c/p>ANSWERAfamily:宋体;spanspan>

 

X.25的命令正确 <<<篶aolor>>c/p>

c/p>

.25
<.25

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25

ANSWERAfamily:宋体;span、根据从n>的目的地不同,从n>表可被划分为<篶aolor>>c/p> size:9pt;span稀穘>

&npan> 根据从n>的目的地不同,可以划分为<篶aolor> 子网n>,琣宦从n>根据目的地与改从n>器是否直联,可以划分为<褐苯雍图浣哟觧>完成统计复用、2style="margin-left: 18pt;spancolor:red;" ;" >

.25
<.25
family:宋体;span直连从n>can>

c/p>family:宋体;spanspan>

color:red;" 误检测<.25
family:宋体;span缺省从n>can>

c/p> size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span琣宦从n>can>

c/p>size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

color:red;" 误检测<.25 family:宋体;span静态从n>can>

c/p>ANSWERAsize:9pt;span335polor:red;" ;" > >取反相与Quidwaycolor:red;" ;" >family:宋体;span从n>器上,应该使用什么命令来观察网 拇觧>表?can>

c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 &nbsspan>

.25 <.25 size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 ANSWERA  

family:宋体;span中,荚下叙述正确 <有can>

c/p> size:9pt;span稀穘>

&npan><.25 family:宋体;span从n>中毒是指 贝觧>器从相邻从n>器那里收到蓟条从n>时,立即将此从n>以不可达发送相邻从n>器can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span当某一从n>信息的caolor>Metriccolor:red;" ;" >family:宋体;span值变为不可达之后,此从n>会以不可达发送一次,然后立即将此从n>删除can>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span水平分割是指从某个接口收到的从n>信息不能再从这个接口发送出去caolor>>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span触发更新可以加快从n>在整个网中 拇aolor>>

ANSWERA

&npan>family:宋体;spanspan>

 

、在路由器上配帜车ノ淮觧>器防火墙作了如下配置<篶aolor>>c/p>size:9pt;spanaccess-list normal 101 deny tcp 202.38.0.0 0.0.0.255 10.10.10.10 0.0.0.255 gt 1024完成统计复用、pcolor:red;" ;" >size:9pt;spanaccess-list normal 101 deny ip any any完成统计复用、pcolor:red;" ;" >size:9pt;spancolor:red;" ;" >family:宋体;span端口配置如下can>

c/p>size:9pt;spanaccess-group 101 in完成统计复用、pcolor:red;" ;" >size:9pt;spaninterface Ethernet0完成统计复用、帧透明传输和错;" >family:宋体;span内部局域网琣宦均为caolor>10.10.10.0 255.255.255.0color:red;" ;" >family:宋体;span网段。荚下说法正确 <<access listcolor:red;" ;" >family:宋体;span):

family:宋体;span)can>

c/p>family:宋体;span外部琣宦can>family:宋体;span可以can>family:宋体;span通任何内部琣宦can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span内部琣宦can> >取反相与

c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span内部任意琣宦都可以与外部任意琣宦建立can>family:宋体;span连接can>

c/p>&nbsspan>

.25
<.25
family:宋体;span外部can>family:宋体;span网段琣宦可以与此内部网謅宦建立can>family:宋体;span连接can>

c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span外部can>family:宋体;span网段琣宦不可以与此内部网謅宦建立端口号大于caolor>1024color:red;" ;" >family:宋体;span的caolor>tcpcolor:red;" ;" >family:宋体;span连接can>

c/p>ANSWERA >取反相与>c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span描述

c/p>size:9pt;span>

.25
<.25
family:宋体;span按照匹配顺序,匹配了第蓟条就不再检查下一个can>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span描述

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span以上答案都不对can>

c/p>ANSWERA、一台、给謅接口设定多个备份接口时必须设定其备份优先级,优先级值越大越先启动can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>ANSWERAfamily:宋体;spanspan>

ISDN PRIcolor:red;" ;" >family:宋体;span接口可以提供多少can>

c/p>size:9pt;span稀穘>

&npan>

23完成统计复用、帧透明传输和错误检测
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

30完成统计复用、帧透明传输和错;" >&nbsspan>

32完成统计复用、p>ANSWERAfamily:宋体;span、华为从n>器caolor>cE1/PRIcolor:red;" ;" >family:宋体;span接口不工作在caolor>E1color:red;" ;" >family:宋体;span方式时,>在物理上分为can> >取反相与family:宋体;span,当其作为can>family:宋体;span接口使用时,编号为can> >取反相与"font-family:宋体;" >、&nbs信道传输信令can>

c/p>family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复用、p>family:宋体;spanspan>

can>family:宋体;span的说法中,正确 <<<篶aolor>color:red;" 误检测red; background-误检测#d9d9d9; text-decoration:underline;span>
caolor>cap> size:9pt;span稀穘>

&npan><.25 family:宋体;span允许提供各种服务节点,如文件服务器、打印服务器、can>family:宋体;span访问服务器和远距控制台服务器等,并广播他们的服务类型和

c/p> size:9pt;span>

.25
<.25 family:宋体;span通过can>family:宋体;span,从n>器创建和维护了整个网上所有服can><.25 family:宋体;span务器提供的服务信息,通常称为服务信息表can>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span的更新消息缺省每隔can>family:宋体;span秒向相邻从n>器广播一次,并且can>family:宋体;span也是用老化、水平分割等机制来维护服务信息can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span属于网层协议can>

c/p>ANSWERA

&npan>

"完成统计复用、p .25 >取反相与器相连的计算机串口属性的设置,正确 <有<篶aolor>>c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span速率<篶aolor>9600bpscan>

c/p>size:9pt;span>

color:red;" 误检测<.25
family:宋体;span位<篶aolor> >取反相与

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span奇偶校验位<何辌an>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span停止位<篶aolor>1color:red;" ;" >family:宋体;span位can>

c/p>size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span流控:软件can>

c/p>ANSWERA

&npan>

family:宋体;spanspan>

 

X.25>c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

color:red;" 误检测<.25

c/p>ANSWERA  

family:宋体;span、理论上,can>family:宋体;span多模光缆的最大传输距离是多少?can>

c/p>size:9pt;span稀穘>

&npan>

color:red;" 误检测

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

2000m完成统计复用、帧透明传输和错;" >&nbsspan>

3000m完成统计复用、 .25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

>取反相与

X.25color:red;" ;" >family:宋体;span网为国际通用的标准广域网,内置的差错纠正、流量控制和丢包重传机制使之具有高度的可靠性,适于长途噪声线路。由于吞吐率很低,包时延较大,故不适于在质量好的信道上传输。这个说法正确吗?can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复用、p>
family:宋体;span类子网的掩码为can>family:宋体;span,则包含的子网位数、子网数目、每个子网中謅宦数目正确 <<莄an>
caolor>cap>size:9pt;span稀穘>

&npan> >取反相与 >取反相与 size:9pt;span>

"font-family:宋体;" >、X.25,can>
family:宋体;spanspan>

4color:red;" ;" >family:宋体;span,can>family:宋体;span,can>&nbsspan>

5color:red;" ;" >family:宋体;span,can>family:宋体;span,caolor>6完成统计复用、 .25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

、在路由器上配謈an>family:宋体;span协议栈中互连层的琣要功能为can>

c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span提供对物理层的控制,完成对流检错、纠错、同步等措施can>

c/p>size:9pt;span>

.25
<.25
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.25
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c/p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

color:red;" 误检测<.25 family:宋体;span提供分组从n>、避免拥塞等措施can>

c/p>ANSWERA

 

>取反相与

UDPcolor:red;" ;" >family:宋体;span报文不包括下列哪些字段?can>

c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span源端口can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span长度can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span目的端口can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span校验和caolor>>c/p> size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span紧急指针can>

c/p>ANSWERA、一台、can>

family:宋体;span被认为是不可靠的n> ,因为它不保证包正确发送到目的地can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复用、p>size:9pt;span36 color:red;" ;" >family:宋体;span、完成统计复span>cap>family:宋体;span如图所设网环境,使用下列的哪些从n>n> 将在从n>器can>

&npan>172.16.0.0color:red;" ;" >family:宋体;span的两个互相冲突的从n>:caolor>>c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25 <.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>family:宋体;spanspan>

"完成统计复用、p .25 family:宋体;span、在配置命令can>family:宋体;span中,数字can>
、在路由器上诺暮<<篶aolor>>c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span本端逻辑通道编号can>

c/p> size:9pt;span>

.25
<.25 family:宋体;span本端can>family:宋体;span编号can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span对端接口编号can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span对端节点编号can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor><完成统计复p> >取反相与family:宋体;span从n>器搭建的中继网的封装类型,应使用什么命令?can>

c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

X.25、在封装can>family:宋体;spann> 慕涌谏希柚萌笔〉淖畲蠓⑺头肿榇笮∥猚an>、>c/p> size:9pt;spancolor:red;" text-decoration:underline;span稀穘>

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.25
<.25
size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>A完成统计复用、p>family:宋体;span、在can>family:宋体;span的n>商流程中,哪个阶段不是必须进行的:caolor>>c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspan>

color:red;" 误检测<.25

c/p>size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

family:宋体;span、在配置华为can>family:宋体;span从n>器和caolor>Ciscocolor:red;" ;" >family:宋体;span从n>器搭建的中继网时,您应该怎样配置华为从n>器的中继链路封装格式?(假定can>family:宋体;span从n>器采用默认封装格式)can>

c/p>size:9pt;span稀穘>

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.25
<.25
size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

family:宋体;span从n>器通过串口相连,can>

&npan>family:宋体;span192.168.1.1font-family:;" > >取反相与

&npan>family:宋体;span相连,can>family:宋体;span192.168.2.1font-family:;" > >取反相与family:宋体;span相连,can>family:宋体;span默认网关配置正确。从n>器配置如下:caolor>>c/p>size:9pt;spanRouter#DISPLAY running-config完成统计复用、帧透明传输和错;" >size:9pt;spanNow create configuration…完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!interface Ethernet0完成统计复用、帧透明传输和错;" >size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip adress 192.168.1.1 255.255.255.0完成统计复用、帧透明传输和错;" >size:9pt;spaninterface Serial0完成统计复用、帧透明传输和错;" >size:9pt;spanip ADDRess 10.1.1.1 255.255.255.0完成统计复用、帧透明传输和错;" >size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复用、帧透明传输和错;" >size:9pt;spanrouter rip完成统计复用、pcolor:red;" ;" >size:9pt;spanno auto-summary完成统计复用、pcolor:red;" ;" >size:9pt;spannetwork 10.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanRouterB#DISPLAY running-config完成统计复用、帧透明传输和错;" >size:9pt;spanNow create configuration完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复用、帧透明传输和错;" >size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.2.1 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复用、帧透明传输和错;" >size:9pt;spanipADDRess 10.1.1.2 255.255.255.0完成统计复p>size:9pt;spanip rip version 2 mcast完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复用、帧透明传输和错;" >size:9pt;spanrouter rip完成统计复用、pcolor:red;" ;" >size:9pt;spanno auto-summary完成统计复用、pcolor:rtyle=";" >size:9pt;spannetwork 10.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spancolor:red;" ;" >family:宋体;span荚下说法正确 <<<篶aolor>>c/p>size:9pt;span稀穘>

&npan>

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<2style="margin-left: 18pt;spancolor:red;" 误检测 size:9pt;spancolor:red;" background-误检测#d9d9d9; text-decoration:underline;span>

can><.25

&npan>family:宋体;span通can> size:9pt;spancolor:red;" background-误检测#d9d9d9; text-decoration:underline;span"color:red;" ;" >family:宋体;spanspan>

can><.25

&npan>family:宋体;span通can>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25

&npan>family:宋体;span通can>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>family:宋体;spanspan>

"完成统计复用、p .25 、在路由器上拧⒕钟蛲S蒙璞赣<篶aolor>>c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span线缆family:宋体;span)can>family:宋体;span如光纤、双绞线、同轴电缆等can>

c/p>size:9pt;span>

cspan2style="误检测<.25
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.25
<.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

color:red;" 误检测<.25 family:宋体;span从n>器can>

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&npan>

>

 

>取反相与链路层分为两个子层:caolor>>c/p>size:9pt;span稀穘>

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.25
<.25
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c/p>size:9pt;span>

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.25 <.25 family:宋体;span介质访问控制子层can>

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.25 <.25 family:宋体;span核心层can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>稀穘>

&npan>

"完成统计复用、p .25 、一台、如下所述的那一项<莄an>family:宋体;span参考模型链路层的功能?can>

c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span在信道上传输原始的比特流,实现传输所需要的机械、电气、功能性及过程等手段can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span检查网拓扑,已决定传输报文的最佳从n>can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span检测并纠正可能出现的错误,使之对网层显现蓟条无错线路,并且进行流量调控can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span为应用软件提供网接口can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>"完成统计复用、p .25 family:宋体;span、流量控制的三种方式是<篶aolor>>c/p> size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span缓存技术can>

c/p> size:9pt;span>

.25
<.25
family:宋体;span源抑制技术can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span端口速率自n>商机制can>

c/p> size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span窗口机制can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>稀穘>

&npan>

>

 

family:宋体;span、can>family:宋体;span<莄an>family:宋体;span的常用设备can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>F完成统计复p> >取反相与family:宋体;span参考模型中,下列哪一项不是表示层的功能?can>

c/p>size:9pt;span稀穘>

&npan><.25 family:宋体;span加密can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span压缩can>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span会话控制can>

c/p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25
<.25
family:宋体;span格式转换can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>"完成统计复用、p .25 family:宋体;span如下图所示组网图中can>

c/p>size:9pt;spancolor:red;" ;" >family:宋体;span假设各謅宦上默认网关配置正确can>

c/p>size:9pt;spancolor:red;" ;" >family:宋体;span具体配置如下。can>

c/p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;spanuser RouterB service-type ppp password 7 123完成统计复用、謈olor:red;" ;" >size:9pt;spanuser RouterA service-type ppp password 7 123完成统计复用、謈olor:red;" ;" >size:9pt;spanhostname RouterA完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复用、帧透明传输和错;" >size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复用、帧透明传输和错;" >size:9pt;spanppp authentication pap完成统计复p>size:9pt;spanip ADDRess 10.0.1.1 255.255.255.0完成统计复用、帧透明传输和错;" >size:9pt;spanexit完成统计复用、帧透明传输和错;" >size:9pt;spanip route 10.0.2.0 255.255.255.0 10.0.1.1 preference 60完成统计复用、帧透明传输和错;" >size:9pt;spanEnd完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;spanuser Router A service-type ppp password 0 123完成统计复用、謈olor:red;" ;" >size:9pt;spanhostname Router

 

<帧透明传输和错;" >size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复用、帧透明传输和错;" >size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复用、帧透明传输和错;" >size:9pt;spanencapsulation ppp完成统计复p>size:9pt;spanppp pap2sent-username RouterA password 0 123完成统计复用、謈olor:red;" ;" >size:9pt;spanip ADDRess 10.0.1.2 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Bri0完成统计复用、帧透明传输和错;" >size:9pt;spandialer in-band完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复用、帧透明传输和错;" >size:9pt;spanip route 10.0.0.0 255.255.255.0 10.0.1.1 preference 60完成统计复用、帧透明传输和错;" >size:9pt;spancolor:red;" ;" >family:宋体;span则结论can>

&npan>family:宋体;span通can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >family:宋体;spanspan>

False完成统计复用、p>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>F完成统计复p>family:宋体;span、can>family:宋体;span网中,从n>器family:宋体;span)can>

size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span直接提供客户所需要的服务can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span提供服务,也向客户机提供服务器的相关信息can>

c/p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span不提供服务,只向客户机提供服务器的相关信息can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>"完成统计复用、p .25 size:9pt;spancspan2style="background-误检测#d9d9d9; text-decoration:underline;span375color:red;" ;" >family:宋体;span、can>family:宋体;span封装名称匹配正确 <<悄囊幌睿縞an>caspan>cap>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25
<.25
family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

< .25 family:宋体;span从n>器接口状态,应该输入哪一条命令?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25
<.25
size:9pt;spanfamily:宋体;spanspan>

.25
<.25
family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

、在路由器上拧⑽死┐笸谭段В梢允褂family:宋体;span)连接多根电缆,放大信号can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span中继器can>

c/p>size:9pt;span>

.25
<.25  

<2style="margin-left: 18pt;spancolor:red;" ;" >size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span从n>器can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span网桥can>

c/p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>稀穘>

&npan>

>取反相与family:宋体;span从n>器串口上的默认封装n> 是什么?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>

 

、一台、在can>family:宋体;spann>商流程中,can>family:宋体;spann>商是在那个阶段进行的:caolor>>c/p>size:9pt;span稀穘>

&npan><.25 size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>"完成统计复p>family:宋体;span、在can>family:宋体;span系列从n>器搭建的中继网上,共支持有多少种can>family:宋体;span类型?can>

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1完成统计复p>size:9pt;span>

2完成统计复p>size:9pt;spancspan2style="误检测family:宋体;spanspan>

3 can>

size:9pt;span"font-family:宋体;" >、
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4完成统计复p>size:9pt;span>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;span、can>family:宋体;span交换虚电路表的命令<<篶aolor>> size:9pt;span稀穘>

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.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

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<.25
size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25 <.25 family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an> size:9pt;span >取反相与family:宋体;span)组网模型可以解决水平分割在中继网上引起的问题can> size:9pt;span稀穘>

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.25
<.25
family:宋体;span点到点的子接口can>

c/p>size:9pt;span>

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<.25 family:宋体;span点到多点,部分连通can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span点到多点,全连通can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

"完成统计复p>X.25、请问您应该在下列哪些模式使用can>family:宋体;span命令?can>

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&npan>

.25
<.25
family:宋体;span用户模式can>

c/p>size:9pt;span>

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<.25
family:宋体;span特权模式can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

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.25 <.25 family:宋体;span接口配置模式can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

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c/p>size:9pt;span稀穘>

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<.25
family:宋体;span千兆以太网具有自动n>商功能,可以和百兆以太网自动适配速率can>

c/p>size:9pt;span>

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c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

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.25 <.25 family:宋体;span千兆以太网采用can>family:宋体;span类双绞线互连长度不能超过can>family:宋体;span米can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>size:9pt;spanfamily:宋体;spanspan>

can>family:宋体;span从n>器提供了一个can>family:宋体;span接口,其中can>family:宋体;span提供family:宋体;span)接口can>

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family:宋体;span接口can>

size:9pt;span>

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<.25
family:宋体;span接口can>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span接口can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span接口can>

family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

38"font-family:宋体;" >、can>family:宋体;span)can>family:宋体;span从n>表中包含了下列关键项:caolor>can>

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.25
<.25
family:宋体;span目的

family:宋体;span包的目的

c/p>size:9pt;span>

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<.25 family:宋体;span网掩码:与目的器所在的网段的family:Calibri;span"can>family:宋体;span逻辑cspan2style="background-误检测#d9d9d9;span与can>
family:Calibri;span"can>family:宋体;span后可得到目的謅宦或从n>器所在网段的

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span输出接口:说明can>

family:宋体;span包将从该从n>器哪个接口转发can>

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family:宋体;span

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、在路由器上拧⒉捎没猚an>family:宋体;span备份中心技术,一个主接口可以指定多个备份接口,但必须为这些备份接口指定不同的优先级can>

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<.25
cap>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span拨号接口――――不可以作謅接口can>

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c/p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span以太网子接口can>

c/p>size:9pt;spanGcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span虚拟接口模版can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>

&npan>

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cspan2style="误检测<.25
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cspan2style="误检测<.25 cap>size:9pt;span"font-family:宋体;" >、&nbsspan>

cspan2style="误检测<.25

c/p>size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

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cspan2style="误检测<.25

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>

&npan>

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"font-family:宋体;" >、
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c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

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family:宋体;span从n>选择can>

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c/p>size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span包过滤can>

c/p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span发现网的催辑拓扑结构can>

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>取反相与

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<.25
family:宋体;span謅宦can>

&npan>family:宋体;span请求报文can>

c/p>size:9pt;span>

cspan2style="误检测<.25
family:宋体;span謅宦can>

family:宋体;spanfamily:宋体;span

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

cspan2style="误检测<.25
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family:宋体;span的can>

family:宋体;spanfamily:宋体;spanfamily:宋体;span中can>

c/p>size:9pt;span"font-family:宋体;" >、
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<.25 family:宋体;span謅宦can>

&npan>

family:宋体;spanfamily:宋体;span

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>

&npan>

>

"color:red;" ;" >family:宋体;spanspan>

 

X.25、扩展访问列表的日志功能允许特定的謅宦记录防火墙的操作can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、 .25 family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复p>family:宋体;span、使配置的访问列表应用到接口上的命令是什么?can>

c/p>size:9pt;span稀穘>

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.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25 <.25 family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

family:宋体;spanspan>

IEEE 802.3cspan2style=";" >family:宋体;span以太网采用can>family:宋体;spann> 以支持总线性结构,它的全称是can>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span,can>size:9pt;span>

.25
<.25 family:宋体;span,can>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>cspan2style="误检测family:宋体;span的family:宋体;span)can>

size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span网层can>

c/p>

.25
<.25
family:宋体;span传输层can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span会话层can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span表示层can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

、在路由器上拧an>family:宋体;spann> 是一种基于包的无连接的网层连接,不能保证报文能够到达,也不保证其顺序can>

c/p>size:9pt;spanTcolor:red;" ;" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、 .25 family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an> >取反相与family:宋体;spann>议的有can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 、&nbsspan>

.25 <.25 size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spanGcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

"font-family:宋体;" >、
&nbsspan>

G完成统计复p>、一台、can>family:宋体;span段使用family:宋体;span)提供可靠性can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span网际n> can>

c/p>

.25 <.25 family:宋体;span应用层n> can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span网层n> can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span传输控制n> can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

family:宋体;span、下面哪一个不是can>family:宋体;span报文格式中的域:caolor>>c/p>family:宋体;span子网掩码can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span序列号can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;spancan>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span目的端口can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>size:9pt;span401color:red;" ;" >family:宋体;span、在一个以太网段中,can>family:宋体;span台can>family:宋体;span通过can>family:宋体;span从n>器can>family:宋体;span连接can>family:宋体;span,can>family:宋体;span从n>器做了如下配置:caolor>>c/p>size:9pt;spanQuidway(config)#interface e0完成统计复p>size:9pt;spanQuidway(config-if-e0)#ip ADDRess 192.168.1.1 255.255.255.0完成统计复p>size:9pt;spanQuidway(config-if-e0)#exit完成统计复p>size:9pt;spanQuidway(config)#interface s0完成统计复p>size:9pt;spanQuidway(config-if-s0)#ip ADDRess 211.136.3.6 255.255.255.252完成统计复p>size:9pt;spanQuidway(config-if-s0)#encapsulation ppp完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span一台can>family:宋体;span机的默认网关配为can>family:宋体;span,从n>器会怎样处理发自这一台can>family:宋体;span的包?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span从n>器会认为发自这一台can>family:宋体;span的包来自不同的网段,转发包can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span从n>器会自动n拚庖惶╟an>family:宋体;span机的can>

family:宋体;span包can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span从n>器丢弃包,这时候需要重启从n>器,从n>器自动n拚笈鋍an>

c/p>、&nbsspan>

.25 <.25 family:宋体;span从n>器丢弃包,不做任何处理,需要重配can>family:宋体;span网关为can>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>  

>取反相与family:宋体;span从n>器可以通过下列哪些方式进行配置?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25 family:宋体;span通过can>family:宋体;span方式传送配置文件can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span通过远程登录配置can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span通过拨号方式配置can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span通过控制口配置can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>

"color:red;" ;" >family:宋体;spanspan>

 

X.25、下列关于访问控制列表以及访问列表配置文件命令的说法中,正确 <是哪些?can>

c/p> size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span访问列表有两类:caolor>>family:宋体;span标准列表,can>

family:宋体;span扩展列表can>

c/p>

.25
<.25 family:宋体;span标准访问列表根据包的源包can>

c/p>family:宋体;spanspan>

.25 <.25 ecialcspan2style=";" >family:宋体;span字段表示该规则是在普通时间段中有效还是在特殊时间段有效,缺省是在普通时间段内有效can>

c/p>、&nbsspan>

.25 <.25 family:宋体;span扩展访问列表使用除源包匹配规则can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>family:宋体;spanspan>

 

family:宋体;span、在配置访问控制列表的规则时,关键字can>family:Calibri;span"any"can>family:宋体;span代表的通配符掩码是什么can>

c/p> size:9pt;span稀穘>

&npan>

0.0.0.0 完成统计复p>size:9pt;span>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

255.255.255.255完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbssp无此命令关键字can>

c/p>family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>family:宋体;spansp华为can>、X.25交换机支持family:宋体;span)特性can>

c/p> size:9pt;span稀穘>

&npan>

.25
<.25

.25
<.25
family:宋体;spanspan>

.25
<.25 、&nbsspcan><.25

family:Gulim;spanANSWERcan>family:宋体;span:caolor>cantrong帧an>

&npan>

>

"color:red;" ;" >family:宋体;spanspan>

 

size:9pt;span40"font-family:宋体;" >、family:宋体;span网段的网family:宋体;span,网can>

c/p> size:9pt;spancspan2style=";" >family:宋体;span段内有两台謅宦,其can>

family:宋体;spanfamily:宋体;spanspan>

10.110.53.1font-family:;" > >取反相与器can>

&npan>

>

family:宋体;span、
X.25span>

10.110.53.4cspan2style=";" >family:宋体;span;现在打算设置两个can>family:宋体;span备份组,使从n>器can>

&npan>family:宋体;span的活动从n>器,同时有兼职备份组can> >取反相与器,从n>器can>

family:宋体;span

c/p> size:9pt;span稀穘>

&npan>

cspan2style="误检测、
X.25span>

10.110.53.4cspan2style="误检测black;span>caspan>cap> size:9pt;span>

10.110.53.1font-family:;" > >取反相与

10.110.53.1完成统计复p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

10.110.53.5color:red;" ;" >family:宋体;spanspcan> size:9pt;span"font-family:宋体;" >、
&nbsspcan>family:宋体;spanspcan> size:9pt;spanEcolor:red;" ;" >family:宋体;spanspan>

10.110.53."font-family:宋体;" >、 size:9pt;spancspan2style=";" >family:Gulim;spanfamily:宋体;spancap>

size:9pt;span40"font-family:宋体;" >、在路由器上拧⑴渲胏an>family:宋体;span从n>器串口can>family:宋体;span借口启用can>family:宋体;span的命令是什么?can>

c/p> size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25 、&nbsspcan><.25

size:9pt;spancspan2style=";" >family:Gulim;spanfamily:宋体;spancap>

size:9pt;spancspan2style="误检测black;span40 >取反相与器can>

&npan>family:宋体;spann> ,并在接口can>family:宋体;spanfamily:宋体;spanfamily:宋体;span)所在网段使能can>family:宋体;span从n>n> ,在全局配置模式下使用的第can>family:宋体;span一条命令是:caolor>>c/p>size:9pt;span稀穘>

&npan>

cspan2style="误检测red;span.25 <.25 cap>size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>、一台、如下图所示组网图中can>

c/p>family:宋体;span假设各謅机上默认网关配置正确。can>

c/p>size:9pt;spancspan2style=";" >family:宋体;span具体配置如下。can>

c/p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;spanhostname RouterA完成统计复p>size:9pt;spanframe-relay switching完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanip ADDRess 10.0.0.1 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanencapsulation frame-relay完成统计复p>size:9pt;spanframe-relay intf-type DCE完成统计复p>size:9pt;spanframe-relay local-dlci 100完成统计复p>size:9pt;spanip DC"ess 10.0.1.1 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanip route 10.0.2.0 255.255.255.0 10.0.1.2 preference 60完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>

size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;spanhostname Router

 

size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanip ADDRess 10.0.2.1 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK1完成统计复p>size:9pt;spanencapsulation frame-relay完成统计复p>size:9pt;spanip ADDRess 10.0.1.2 255.255.255.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanip route 10.0.0.0 255.0.0.0 10.0.1.1 preference 60完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span则结论can>

&npan>family:宋体;span通can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;span、采用can>family:宋体;span,从n>器只有在当它们之间有包传送时,才拨号建立连接,因此,can>family:宋体;span技术适用于信息量较少的包的突发传送can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复p>family:宋体;span、在缺省情况下,设置can>family:宋体;span永久虚电路区间为can>、一台,正确 <配置方法是:caolor>>c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;spanQuidway(config-if-Serial0)#x25 htc 1024完成统计复p>size:9pt;span>

.25
<.25
size:9pt;spanQuidway(config-if-Serial0)#x25 hic 1024完成统计复p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

Quidway(config-if-Serial0)#x25 ltc 39完成统计复p>size:9pt;spanQuidway(config-if-Serial0)#x25 htc 1024完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspcan>cap> size:9pt;spanQuidway(config-if-Serial0)#x25 hic 1024完成统计复p>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span411font-family:;" > >取反相与family:宋体;span方式的命令是:caolor>>c/p>size:9pt;span稀穘>

&npan>

.25
<.25

c/p>size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>X.25sp为了查看can>family:宋体;span从n>器上的串口can>family:宋体;span的封装是can>family:宋体;span或can>family:宋体;span,应该使用命令can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25

c/p>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

can> 有:cspan2style="误检测red;abackground-color:#d9d9d9; text-decoration:underline;span>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25  

<2style="margin-left: 18pt;spancspan2style="误检测red;a;" >size:9pt;spanGcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&npan>

>

"color:red;" ;" >family:宋体;spanspan>

Fcspan2style=";" >family:宋体;spanspan>

G完成统计复p>family:宋体;spanspan>

PPPcspan2style=";" >family:宋体;spann> 中,family:宋体;span)主要用于协商在该蔭n>链路上所传输的包的格式与类型can>

c/p>family:宋体;span链路控制n> can>

c/p>

.25
<.25
family:宋体;span扩展n> can>

c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span网层控制n> can>

c/p>size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25 family:宋体;spanspan>

CHAPcspan2style=";" >family:宋体;spann> can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;span网时,把can>family:宋体;span从n>器封装为can>family:宋体;span,下列配置命令正确 <是什么?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span41"font-family:宋体;" >、在路由器上拧an>family:宋体;span是一个基于can>family:宋体;span(can>family:宋体;span)can>family:宋体;span算法的从n>n> ,运行can>family:宋体;span的从n>器通过和相邻从n>器之间相互交换从n>n畔⒗唇⒋觧>表。can>family:宋体;span是从can>family:宋体;span基础之上发展而来的。他比较can>family:宋体;span而言,以下哪些是改进点:caolor>>c/p>family:宋体;span从n>的跳更新上引入新的特性,使得can>family:宋体;spann> 适用于更大的网can>

c/p>

.25
<.25
family:宋体;span引入了触发更新、从n>保持、水平分割和毒性从n>机制,使得can>family:宋体;span对网变化有着较快的响应,并且在拓扑结构改变后仍然能够保持稳定can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span在can>family:宋体;span值得范围和计算上有了很大的改进,使得从n>的选择更加准确,同时使从n>的选择可以适应不同的服务类型can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span使用了从n>服务器can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&npan>

>

"完成统计复p> >取反相与<-1font-family:;" > >取反相与family:宋体;span广播报文can>

c/p>size:9pt;span>

.25
<.25
<-1cspan2style=";" >family:宋体;span组播报文can>

c/p>family:宋体;spanspan>

.25
<.25
<-1font-family:;" > >取反相与

c/p>size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25
<-1font-family:;" > >取反相与

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&npan>

"color:red;" ;" >family:宋体;spanspan>

>c/p>、一台span>

DISPLAY isdn2statuscspan2style=";" >family:宋体;span命令显示了can>family:宋体;span参考模型中哪些层的信息?can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span第二层can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span第一层can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span第三层can>

c/p>、&nbsspcan><.25 family:宋体;span第一,二,三层can>

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span第一,二层can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span420color:red;" ;" >family:宋体;span、can>family:Calibri;span"can>family:宋体;span访问控制列表可以过滤进入和流出从n>器接口的包流量can>family:Calibri;span"can>family:宋体;span,这句话是否正确:can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复p>family:宋体;span、对于这样一条访问列表配置can>

c/p>size:9pt;spanQuidway(config)#access-list 1 permit 153.19.0.128 0.0.0.127完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span下列说法正确 <是can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span允许源family:宋体;span的包通过can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span允许目的family:宋体;span的包通过can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span允许源family:宋体;span,小于can>family:宋体;span的包通过can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span允许目的family:宋体;span的包通过can>

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span配置命令是非法的can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an> >取反相与

R>family:宋体;spann> 的从n>项在多少时间内没有更新会变为不可达?family:宋体;span)can>

c/p>size:9pt;span稀穘>

&npan>

90s完成统计复p>size:9pt;span>

120s完成统计复p> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

180s完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspcan>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>X.25sp请匹配正确 <答案family:宋体;span)命令可以查看当前从n>器配置can>family:宋体;span的情况:从n>器的标识family:宋体;span)can>family:宋体;span区域状态,接口状态,引入的外部从n>情况等can>

c/p>

&npan>

can><.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;span、下列描述中,哪些是错误的?can>

c/p>size:9pt;span稀穘>

&npan>

cspan2style="误检测red;span.25
<.25
family:宋体;span当到某一目的<的静态从n>为can>family:Calibri;span"reject"can>family:宋体;span属性时,任何去往该目的<的can>

family:宋体;span报文都将被丢坡,并通知源謅机目的<为不可达can>

c/p>size:9pt;span>

cspan2style="误检测red;span.25
<.25
family:宋体;span当到某一目的<的静态从n>为can>family:Calibri;span"blackhole"can>family:宋体;span属性时,任何去往该目的<的can>

family:宋体;span报文都将被丢坡,不通知源謅机目的<为不可达can>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span当到某一目的<的静态从n>为can>family:Calibri;span"reject"can>family:宋体;span属性时,任何去往该目的<的can>

family:宋体;span报文都将被丢坡,不通知源謅机目的<为不可达can>

size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span当到某一目的<的静态从n>为can>family:Calibri;span"blackhole"can>family:宋体;span属性时,任何去往该目的<的can>

family:宋体;span报文都将被丢坡,并通知源謅机目的<为不可达can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&npan>

 

family:宋体;span、

family:宋体;span)命令显示can>family:宋体;span在接收报文时纪录的所发生的错误can>

c/p>

&npan>

can><.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-famile=";" >family:宋体;spanspan>

.25 <.25 family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span42"font-family:宋体;" >、family:宋体;span中can>family:宋体;span的标记一般应选can>

c/p>size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25 family:宋体;span以上都可以can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>、在路由器上拧an>family:宋体;span是can>family:宋体;span的标准can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>F完成统计复p> >取反相与

family:宋体;span报文头中固定长度部分为

family:宋体;span)字节can>

c/p>size:9pt;span稀穘>

&npan>

10完成统计复p> size:9pt;span

can>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

30完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspcan>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

、一台span>

VLSMcspan2style=";" >family:宋体;span的含义是can>

c/p>size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25
size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25
<.25
family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;span、为了区分各种不同的应用程序,传输层使用

family:宋体;span)来进行标识can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
<>family:宋体;span

c/p>

.25
<.25
family:宋体;span端口号can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span服务接入点family:宋体;span)can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;spann> 号can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

family:宋体;span、假定有can>family:宋体;span190.5.6.1cspan2style=";" >family:宋体;span,子网掩码can>family:宋体;span,哪么这个can>

family:宋体;span

c/p> size:9pt;span稀穘>

&npan>

190.5.4.0 190.5.7.255完成统计复p>size:9pt;span>

190.5.4.0 190.5.4.255完成统计复p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

190.5.4.0 190.5.4.254完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspcan>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&误检测red;span>family:宋体;span、配置备份中心时,不论是采用动态从n>还是静态从n>,主备接口最后都必须有到达目的网的从n>can>can>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复用、帧透明传输和错;" >size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复用、p>family:Gulim;spanANSWERcaolor>color:red;" ;" >family:宋体;span:caolor>caotrong>caolor>T完成统计复p>X.25sp目前网设备的can>family:宋体;spanfamily:宋体;span位二进制数字构成,can>

family:宋体;spanfamily:宋体;span位二进制数字构成can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

4 >取反相与size:9pt;span>

64cspan2style=";" >family:宋体;span,can> size:9pt;span"color:red;" ;" >family:宋体;spanspan>

4 >取反相与size:9pt;span"font-family:宋体;" >、
&nbsspcan> >取反相与size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

64cspan2style=";" >family:宋体;span,can>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

OSIcspan2style=";" >family:宋体;span七层参考模型的哪一层具有如下特性:can>

c/p>size:9pt;spancspan2style=";" >family:宋体;span在终端网设备间建立和维护连接;提供可靠或者不可靠的蔭n>传输;实施流量控制;多路复用can>

c/p>size:9pt;span稀穘>

&npan>

.25
<.25
family:宋体;span应用层can>

c/p>

.25
<.25
family:宋体;span传输层can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
family:宋体;span网层can>

c/p>size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25 family:宋体;span蔭n>链路层can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

family:宋体;spanspan>

Quidwaycspan2style=";" >family:宋体;span系列从n>器在执行包转发时,下列哪些项没有发生变化(假设没有使用

c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span源端口号can>

c/p>

.25 <.25 family:宋体;span目的端口号can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span源网

c/p>、&nbsspcan><.25 family:宋体;span目的网

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span源can>family:宋体;span

c/p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span目的can>family:宋体;span

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&;" >family:宋体;spanspan>

>

"color:red;" ;" >family:宋体;spanspan>

 

size:9pt;span43"font-family:宋体;" >、器can>

&;" >family:宋体;span的串口can>family:宋体;span配置如下can>

c/p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanencapsulation x25 dte ietf完成统计复p>size:9pt;spanx25 ADDRess cspan2style="误检测red;span1111can>

c/p>size:9pt;spanx25 map ip 2.2.2.2 cspan2style="误检测red;span1111can>

c/p>size:9pt;spanip ADDRess 2.2.2.1 255.0.0.0完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span从n>器can>

family:宋体;span配置如下can>

c/p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK1完成统计复p>size:9pt;spanencapsulation x25 dce ietf完成统计复p>size:9pt;spanx25 ADDRess 1112完成统计复p>size:9pt;spanx25 map ip 2.2.2.1 1112完成统计复p>size:9pt;spanip ADDRess 2.2.2.2 255.0.0.0完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span当两台从n>器串口can>family:宋体;span相连时,两台从n>器是否可以连接的对端family:宋体;span)can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span能can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span不能can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

、在路由器上拧an>family:宋体;span从n>器在转发蔭n>包到非直连网段的过程中,依靠下列哪一个选项来寻找下一跳

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span帧蛃can>

c/p>

can><.25
<>family:宋体;span报文头部can>

size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span字段can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span字段can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

>取反相与器的配置模式有:can>

c/p>family:宋体;spanspan>

.25
<.25
family:宋体;span普通用户模式can>

c/p>

.25 <.25 family:宋体;span特权用户模式can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span全局配置模式can>

c/p>、&nbsspcan><.25 family:宋体;span接口配置模式can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span从n>n> 配置模式can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&;" >family:宋体;spanspan>

>

"color:red;" ;" >family:宋体;spanspan>

"font-family:宋体;" >、
&nbsspcan>size:9pt;span43"font-family:宋体;" >、一台
sp第一次对从n>器进行配置时,采用哪种配置方式:can>

c/p>family:宋体;spanspan>

.25
<.25 family:宋体;span通过can>family:宋体;span口配置can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span通过拨号远程配置can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span通过can>family:宋体;span方式配置can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span通过哑终端配置can>

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span通过can>family:宋体;span方式传送配置文件can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span440cspan2style=";" >family:宋体;span、下列所属的网设备中,默认情况下属于can>family:宋体;span设备的有:can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span集线器can>

c/p>

.25 <.25 family:宋体;span帧中继交换机can>

c/p>family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span计算机can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

RS421font-family:;" > >取反相与

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span平衡差分接口can>

c/p>size:9pt;span>

.25
<.25
family:宋体;span支持点到多点之间的通信can>

c/p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25 family:宋体;span可驱动can>family:宋体;span个负载can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span可驱动can>family:宋体;span个负载can>

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span最高速率可达can>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span支持多点到多点之间的通信can>

c/p>family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;span多选can>

c/p>family:宋体;spanspan>

can>family:宋体;spann> 使用can>family:宋体;span作为判断从n>器选择的依据can>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

 

size:9pt;span44"font-family:宋体;" >、X.25sp下列信息应该使用哪一条命令获得?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span(原文如此)can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spansp帧中继的can>family:宋体;spann> 固定占用can>family:宋体;span为

family:宋体;span)的can>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

cspan2style="误检测red;span0完成统计复span>

size:9pt;span>

16完成统计复p>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

1007完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspcan>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&;" >family:宋体;spanspan>

 

size:9pt;span445cspan2style=";" >family:宋体;spansp目前在帧中继网中使用最多的方式是can>

c/p>size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25
<.25
size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span44"font-family:宋体;" >、 的接口上使能动态逆向 的命令是<篶an>

c/p>family:宋体;spanspan>

.25
<.25
size:9pt;span>

.25
<.25
size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span44"font-family:宋体;" >、在路由器上拧⒛谂渲胏an>family:宋体;span网时怎样配置接口的can>family:宋体;span

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25

size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span44 >取反相与family:宋体;span从n>器通过串口相连,can>

&;" >family:宋体;spanfamily:宋体;spanfamily:宋体;span)与can>

&;" >family:宋体;span以太网口can>family:宋体;span相连,can>family:宋体;spanfamily:宋体;span)与can>family:宋体;span相连,can>family:宋体;span默认网关配置正确。从n>器配置如下<篶an>

c/p>size:9pt;spanRouter#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration…完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!interface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip adress 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation x25 dce ietf完成统计复p>size:9pt;spanx25 ADDRess 12345678完成统计复p>size:9pt;spanx25 map ip 10.1.1.2 87654311完成统计复p>size:9pt;spanip ADDRess 10.1.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;spanip ospf neighbor 10.1.1.2完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>

size:9pt;spanEnd完成统计复p>size:9pt;spanRouterB#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.2完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation x25 dte ietf完成统计复p>size:9pt;spanx25 ADDRess 87654311完成统计复p>size:9pt;spanx25 map ip 10.1.1.1 12345678完成统计复p>size:9pt;spanipADDRess 10.1.1.2 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;spanip ospf neighbor 10.1.1.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>

size:9pt;spanEnd完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span以下说法正确的是<篶an>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25

&;" >family:宋体;span可以can>family:宋体;span通can>  

<2style="margin-left: 18pt;spancspan2style=";" >size:9pt;span>

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<.25

&;" >family:宋体;span不可以can>family:宋体;span通can>  

<2style="margin-left: 18pt;spancspan2style=";" >size:9pt;span"font-family:宋体;" >、&nbsspcan><.25

&;" >family:宋体;span可以can>family:宋体;span通can>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25

&;" >family:宋体;span不可以can>family:宋体;span通can>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

 

size:9pt;span、一台spcan>family:宋体;span适用于哪些网环境?can>family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

size:9pt;span450cspan2style=";" >family:宋体;span、下面选项中,对can>family:宋体;span描述正确的有:can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span用来标识虚电路can>

c/p>

.25 <.25 family:宋体;span用户可用的can>family:宋体;span范围是can>family:宋体;spanspan>

.25 <.25 family:宋体;span只在本地接口和与之直接相连的对端接口上有效,不具有全局有限性can>

c/p>、&nbsspcan><.25 family:宋体;span在帧中继网中,不同物理接口上可以有相同编号的can>size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&;" >family:宋体;spanspan>

>

C

 

size:9pt;span451cspan2style=";" >family:宋体;span、目前在帧中继网中使用最多的方式是can>

c/p>

.25
<.25 size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&n >span>

.25 <.25 size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

size:9pt;span452cspan2style=";" >family:宋体;span、对于can>family:宋体;span以太网交换机,配置can>family:宋体;span端口时,以下正确的是can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span端口的两端都应设置为can>

.25 <.25 family:宋体;span所有can>family:宋体;span端口的can>family:宋体;span设置都应该一致can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span所有can>family:宋体;span端口的其他设置建议保持一致can>

c/p>、&nbsspcan><.25 family:宋体;span所有缺省端口的工作速率应保持一致can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>

"color:red;" ;" >family:宋体;spanspan>

 

size:9pt;span45"font-family:宋体;" >、X.25sp请列出can>family:宋体;span系列网产品实施虚拟局域网的优点can>

c/p>family:宋体;spanspan>

.25
<.25 family:宋体;span终端设备易于添加,改动can>

c/p>

.25 <.25 family:宋体;span减少网管理量can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span分离广播域can>

c/p>、&nbsspcan><.25 family:宋体;span提供安全性can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>pan>"color:red;" ;" >family:宋体;spanspan>

 

size:9pt;span454cspan2style=";" >family:宋体;spansp两台can>family:宋体;span从n>器通过串口相连,can>

&;" >family:宋体;spanfamily:宋体;spanfamily:宋体;span)与can>

&;" >family:宋体;span以太网口can>family:宋体;span相连,can>family:宋体;spanfamily:宋体;span)与can>family:宋体;span相连,can>family:宋体;span默认网关配置正确。从n>器配置如下<篶an>

c/p>size:9pt;spanRouter#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration…完成统计复p>size:9pt;spanCurrent configuration完成pan>

size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!interface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计/p>size:9pt;spanip adress 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation x25 dce ietf完成统计复p>size:9pt;spanx25 ADDRess 12345678完成统计复p>size:9pt;spanx25 map ip 10.1.1.2 87654311完成统计复p>size:9pt;spanip ADDRess 10.1.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>

size:9pt;spanEnd完成统计复p>size:9pt;spanRouterB#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.2完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation x25 dte ietf完成统计/p>size:9pt;spanx25 ADDRess 87654311完成统计复p>size:9pt;spanx25 map ip 10.1.1.1 12345678完成统计复p>size:9pt;spanipADDRess 10.1.1.2 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span请问以上配置有哪些错误,如何改正?can>

c/p>family:宋体;spanspan>

.25
<.25 family:宋体;span应该在can>

&;" >family:宋体;span从n>器上配置can>family:宋体;span命令启用can>family:宋体;span交换can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span在两台从n>器上配置邻居,应该在接口模式下输入can>size:9pt;span"color:red;" ;" >family:宋体;spanspan>

.25 <.25 family:宋体;span两台从n>器

family:宋体;spanfamily:宋体;span

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span应该把两台从n>器所有接口配置为同一区域can>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

size:9pt;span455cspan2style=";" >family:宋体;span、您在can>family:宋体;span从n>器上配置了一条帧中继can>family:宋体;span,发现没有生效,可能的原因是什么?can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span在同一从n>器上配置了相同can>family:宋体;span号码can>

c/p>

.25 <.25 family:宋体;span类型误配can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span帧中继封装类型误配can>

c/p>、&nbsspcan><.25 family:宋体;span号码误配can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>

"cspan2style=";" >family:宋体;spanspan>

 

size:9pt;span45"font-family:宋体;" >、family:宋体;span参考模型的哪一层关心从n>寻址,数据包转发?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span物理层can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span数据链路层can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span网层can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span传输层can>

c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span应用层can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span45"font-family:宋体;" >、在路由器上拧⒋洳愕幕竟δ苁<篶an>

c/p>family:宋体;spanspan>

.25
<.25 family:宋体;span分段上层数据can>

c/p>

.25 <.25 family:宋体;span建立端到端的连接can>

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span将数据从一端主机传送到另一端主机can>

c/p>、&nbsspcan><.25 family:宋体;span保证数据传输的稳定性can>

c/p>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>family:宋体;spanspan>

>

"cspan2style=";" >family:宋体;spanspan>

 

size:9pt;span458cspan2style=";" >family:宋体;spanspan>

VLAN cspan2style="background-color:#d9d9d9; text-decoration:underline;spanfamily:宋体;span在can>family:宋体;span参考模型的哪一层实现?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span物理层can>

c/p>

.25 <.25 family:宋体;span数据链路层can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span网层can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span应用层can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span45"font-family:宋体;" >、一台spcan>family:宋体;span使用备份中心来提供完善的备份功能,以下哪些说法是正确的?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span从n>器上的任意一个物理接口或子接口都可以作为主接口,任意一个接口上的某条逻辑通道也可以作为主接口can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span从n>器上的任意一个物理接口或子接口都可以作为备份接口,任意一个接口上的某条逻辑通道也可以作为主接口can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span具有多个物理通道的接口(如can>family:宋体;span和can>family:宋体;span)可以通过can>family:宋体;span来为多个主接口提供备份can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span以太网接口不可以作为备份接口can>

c/p>size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span460cspan2style=";" >family:宋体;span、为了确定网层数据包所经过的从n>器的数目,应该是用什么命令?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 、&nbsspcan><.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span461cspan2style=";" >family:宋体;span、下面对直接广播family:宋体;span)

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span全一的can>

family:宋体;spanfamily:宋体;span,不能被从n>器传递,只能在本网段转发can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span全一的can>

family:宋体;spanfamily:宋体;span,可由从n>器转发到其他网段can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span有网号但主机部分为can>family:宋体;span,不能被从n>器传递,只能在本网络内部转发can>

c/p>、&nbs有网号但主机部分为can>family:宋体;span,可由从n>器转发到其他网段can>

c/p>size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span462cspan2style=";" >family:宋体;span、下列

family:宋体;span

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

192cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>size:9pt;span>

10cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

12"font-family:宋体;" >、在路由器上牛甤an>family:宋体;span.can>family:宋体;span.can>size:9pt;span"font-family:宋体;" >、
&nbsspcan>family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

cspan2style="误检测red;span12cspan2style=";" >family:宋体;span.can>、
X.25.can>family:宋体;span.can>

size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

224cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

size:9pt;span46"font-family:宋体;" >、X.25span>

ARfamily:宋体;span是一个使用广播的 ,并且使用了can>family:宋体;span高速缓存,原因是使用广播会耗费大量带宽can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span464cspan2style=";" >family:宋体;span、对于这样一个网段can>、一台的子网掩码是<╟an>

family:宋体;span<ヽan>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

255cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can> size:9pt;span>

255cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

255cspan2style=";" >family:宋体;span.can>family:宋体;span.can>family:宋体;span.can>size:9pt;span"font-family:宋体;" >、
&nbsspcan><.25
family:宋体;span依赖于

c/p>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span465cspan2style=";" >family:宋体;span、在can>family:宋体;span协议栈中,下面哪一个能够唯一地确定一个can>family:宋体;span连接<篶an>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span源can>

family:宋体;span

c/p>size:9pt;span>

.25
<.25 family:宋体;span源can>

family:宋体;span

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span目的

c/p>、&nbsspcan><.25 family:宋体;span源size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>  

size:9pt;span46"font-family:宋体;" >、

c/p>family:宋体;spanspan>

.25 <.25 family:宋体;span将访问控制列表应用到接口上can>

c/p>size:9pt;span>

.25
<.25 family:宋体;span使用扩展访问控制列表can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span使用多条访问控制列表的组合can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span用can>family:宋体;span命令配置访问控制列表can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span46"font-family:宋体;" >、在路由器上拧⒍源觧>器can>

&;" >family:宋体;span配置can>family:宋体;span协议,并在接口can>family:宋体;span(can>

family:宋体;spanfamily:宋体;span)所在网段使能can>family:宋体;span从n>协cspan2style="误检测black;span议,在全局配置模式下使用的第一条命令是<篶an>

c/p>family:宋体;spanspan>

.25 <.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span468cspan2style=";" >family:宋体;span、华为从n>器中can>family:宋体;span协议的默认优先级是can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

0完成统计复p>size:9pt;span>

100完成统计复p> size:9pt;spancspan2style="background-color:#d9d9d9; text-decoration:underline;span"cspan2style=";" >family:宋体;spanspan>

can>

size:9pt;span"font-family:宋体;" >、&nbsspcan>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

120完成统计复p>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span46"font-family:宋体;" >、一台、距离矢量从n>协议使用水平分割<╟an>family:宋体;span)技术的目的是什么?can>

c/p>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span避免在毗邻从n>器之间产生从n>环路can>

size:9pt;span>

.25 <.25 family:宋体;span确保从n>更新数据报文沿着接收路线方向发送can>

c/p>family:宋体;spanspan>

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size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span代替从n>中毒<╟an>family:宋体;span)算法can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>family:宋体;spanspan>

"完成统计复p>size:9pt;span470cspan2style=";" >family:宋体;span、实现包过滤的核心技术是can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;spanfamily:宋体;span)can>

c/p>

.25 <.25 family:宋体;span访问控制列表<╟an>family:宋体;span)can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

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c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span从n>映射表<╟an>family:宋体;span)can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>  

size:9pt;span471cspan2style=";" >family:宋体;span、在can>family:宋体;span网中,can>family:宋体;span接口定义在<╟an>

family:宋体;span)之间can>

c/p>size:9pt;span稀穘>

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.25
<.25 family:宋体;span和can>size:9pt;span>

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<.25 family:宋体;span和can>family:宋体;spanspan>

.25 <.25 family:宋体;span和can>family:宋体;span网can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span和can>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span472cspan2style=";" >family:宋体;span、华为can>family:宋体;span交换机的端口支持can>family:宋体;spanspan>

MDIXcspan2style=";" >family:宋体;span自适应can>

c/p>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span47"font-family:宋体;" >、X.25sp关于can>family:宋体;span下面说法正确的是<╟an>

family:宋体;span)can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span隔离广播域can>

c/p>size:9pt;span>

cspan2style="误检测red;span.25
<.25 family:宋体;span相互间通信要通过从n>器can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span可以限制网上的计算机相互访问的权限can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span只能在同一个物理网上的主机进行逻辑分组can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

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>

"完成统计复p>size:9pt;span474cspan2style=";" >family:宋体;span、下面<╟an>

family:宋体;span)设备可以看作一种多端口的网桥设备can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span中继器can>

c/p>

.25 <.25 family:宋体;span交换机can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span从n>器can>

c/p>size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span集线器can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>  

size:9pt;span475cspan2style=";" >family:宋体;span、以下设置配置在串口can>family:宋体;span的催辑通道can>family:宋体;span判定条件的命令正确的是哪一个?can>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span47"font-family:宋体;" >、family:宋体;span传输数据的最小速率?can>

c/p>size:9pt;span稀穘>

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.25
<.25
size:9pt;span>

.25
<.25
family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span47"font-family:宋体;" >、在路由器上拧⑾旅娑晕夜惴菏褂玫腸an>family:宋体;span网描述正确的是什么?can>

c/p>size:9pt;span稀穘>

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.25
<.25 family:宋体;span线路使用简便,覆盖面广can>

c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

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size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25 family:宋体;span线路相对于分组交换网来说,线路费用较高can>

size:9pt;spanGcspan2style=";" >family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25 family:宋体;span专线被广泛用于企业网互连,专线can>family:宋体;span接入can>

size:9pt;spancstrong帧span2style=";" >family:Gulim;spanANSWERcan>family:宋体;span<篶an>

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size:9pt;span478cspan2style=";" >family:宋体;span、can>family:宋体;span协议建立了一条端到端的面向连接的通信,下面的说法正确的是<篶an>

c/p>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span在主机之间存在一条物理电路can>

c/p>

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c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

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size:9pt;span"font-family:宋体;" >、&nbsspcan><.25 family:宋体;span以上说法都不can>family:宋体;spanspan>

.25 <.25 family:宋体;span正确can>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>  

size:9pt;span47"font-family:宋体;" >、一台、can>、在路由器上诺墓悴サ

c/p> size:9pt;span稀穘>

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10.1.128.255完成统计复p>size:9pt;span>

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cspan2style="误检测red;span10.1.127.255can>

size:9pt;span"font-family:宋体;" >、
&nbsspcan>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span480cspan2style=";" >family:宋体;span、在应用层的各协议中(can>

family:宋体;span<┬樘峁┪募浞馽an>

size:9pt;span稀穘>

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size:9pt;span>

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size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

&;" >family:宋体;spanspan>

 

size:9pt;span481cspan2style=";" >family:宋体;span、从n>器催辑上由以下部分构成<篶an>

c/p>size:9pt;span稀穘>

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.25
<.25 family:宋体;span输入输出接口can>

c/p>

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family:宋体;spanspan>

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、&nbsspcan><.25 family:宋体;span用户配置接口can>

size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>

"cspan2style=";" >family:宋体;spanspan>

 

size:9pt;span482cspan2style=";" >family:宋体;span、下面有关can>family:宋体;span叙述正确的是can>

size:9pt;span稀穘>

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cspan2style="误检测red;span.25
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cspan2style="误检测red;span.25
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family:宋体;span

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&;" >family:宋体;spanspan>

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size:9pt;span48"font-family:宋体;" >、X.25sp基于距离矢量算法的从n>协议包括<篶an>

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family:宋体;span从n>外,还需要建立链路层can>family:Calibri;span"can>family:宋体;span二次从n>can>family:Calibri;span"can>family:宋体;span,即建立从can>

family:宋体;span

c/p>

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can><.25
family:宋体;span配置静态从n>时就不能指定发送接口,而必须指定下一跳的can>

family:宋体;span

size:9pt;span>

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c/p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

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c/p>size:9pt;spancspan2style="误检测red;span strong帧span2style=";" >family:Gulim;spanANSWERcanpan>cspan2style=";" >family:宋体;span:caolor>cantrong帧an>size:9pt;span485cspan2style=";" >family:宋体;spanspan>

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<.25
family:宋体;span主机can>family:宋体;span主机,直连can>

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family:宋体;span主机can>family:宋体;span交换机,交叉can>

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c/p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25 family:宋体;span交换机can>family:宋体;span从n>器,直连can>

c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span48"font-family:宋体;" >、在路由器上舠pan>

EDIcspan2style=";" >family:宋体;span(can>family:宋体;span)在can>family:宋体;span参考模型的哪一层实现?can>

c/p>family:宋体;spanspan>

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c/p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span488cspan2style=";" >family:宋体;span、can>family:宋体;span与can>family:宋体;span的主要区别在哪里?can>

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size:9pt;span49"font-family:宋体;" >、X.25sp某个can>family:宋体;span备份组中,一旦处于监听(can>family:宋体;span)状态的从n>器的can>family:宋体;span定时器超时,则接下来它将进入什么状态?can>

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size:9pt;span"font-family:宋体;" >、&nbsspan>

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size:9pt;span稀穘>

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size:9pt;span502cspan2style=";" >family:宋体;span、访问控制列表can>family:宋体;span的含义是can>

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family:宋体;spanspan>

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size:9pt;span50"font-family:宋体;" >、一台、为了查看can>family:宋体;span路n>器上的串口can>family:宋体;span的封装是can>family:宋体;span或can>family:宋体;span,应该使用命令can>

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.25 <.25 family:宋体;span继续进行这一排错方案直到故障排除can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

完成统计复p>size:9pt;span512cspan2style=";" >family:宋体;span、作为一个网维护人员,对于can>family:宋体;span区域体系机构的原则必须有清楚地了解,下面的篡述表达正确的是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span所有的can>family:宋体;span区域必须通过域边界路n>器与区域can>family:宋体;span相连,或采用can>family:宋体;span虚链路can>

.25 <.25 family:宋体;span所有区域间通信必须通过骨干区域can>family:宋体;span,因此所有区域路n>器必须包含到区域can>family:宋体;span的从n>can>

family:宋体;spanspan>

.25 <.25 <family:宋体;span单个区域不能包含没有物理链路的两个区域边界路n>器can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span虚链路可以穿越can>family:宋体;span区域can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span51"font-family:宋体;" >、X.25sp检查一个访问控制列表的特定接口的应用情况,应使用下列哪条命令can>

size:9pt;span稀穘>

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access-list-number完砮m>can>size:9pt;span>

.25 <.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 <size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 interface-type interface-number瓿em>cantrong謈an>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>  

size:9pt;span514cspan2style=";" >family:宋体;span、通配符掩码和子网掩码之间的关系是can>

size:9pt;span稀穘>

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.25 <.25 family:宋体;span两者没用什么区别can>

size:9pt;span>

.25
<.25 family:宋体;span通配符掩码和子网掩码恰好相反can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 <family:宋体;span一个是十进制的<硪桓鍪鞘频腸an>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span两者都是自动生成的can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>  

size:9pt;span515cspan2style=";" >family:宋体;spansp下列关于

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

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.25 <.25 family:宋体;span

family:宋体;spanspan>

.25 <.25 <family:宋体;span当某个

、&nbsspan>

.25 <.25 family:宋体;span

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>family:Gulim;spanBC"fan>

size:9pt;span51"font-family:宋体;" >、器上配置帧中继网时,使用can>family:宋体;span协议,就可以不用手工配置静态family:宋体;span协议可以动态生成

size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spa>ANSWERcan>family:宋体;span<篶an>size:9pt;span51"font-family:宋体;" >、在路由器上舠p下面对can>family:宋体;span协议的描述正确的是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span不需要数据必须是规定字符集,对任何一种比特流,均可以实现透明的传输can>

.25 <.25 family:宋体;span物理层可以是同步电路或异步电路can>

family:宋体;spanspan>

.25 <.25 <family:宋体;span具有各种can>family:宋体;span协议,可以承载多种网层协议can>

、&nbsspan>

.25 <.25 family:宋体;span具有验证协议,更好的保证了网的安全性can>

family:宋体;spanspan>

.25 <.25 family:宋体;span是在can>family:宋体;span的基础上发展起来的can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

"cspan2style=";" >family:宋体;spanspan>

"font-family:宋体;" >、
&nbsspan>

E完成统计复p>size:9pt;span518cspan2style=";" >family:宋体;span、帧中继有<╟an>

family:宋体;span<┑奶氐鉩an>

family:宋体;spanspan>

.25
<.25 family:宋体;span基于虚电路can>

.25 <.25 family:宋体;span带宽统计复用can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 <family:宋体;span确认重传机制can>

、&nbsspan>

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size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

&;" >family:宋体;spanspan>

>

 

size:9pt;span51"font-family:宋体;" >、一台、下列所述的哪一项发送can>family:宋体;span请求数据包来定位本地最近的服务器?can>

&;" >family:宋体;spanspan>

can><.25
size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span服务器can>

size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span以上说法都不正确can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span520cspan2style=";" >family:宋体;span、下面对路n>器的描述正确的是<ń换换付憬换换篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

cspan2style="误检测red;span.25
<.25 family:宋体;span相对于交换机和网桥来说,路n>器具有更加复杂的功能can>

size:9pt;span>

.25
<.25 family:宋体;span相对于交换机和网桥来说,路n>器具有更低的延迟can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span相对于交换机和网桥来说,路n>器可以提供更大的带宽和数据转发速度can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

cspan2style="误检测red;span.25 <.25 family:宋体;span路n>器可以实现不同子网之间的通信,交换机和网桥不能can>

family:宋体;spanspan>

.25 <.25 family:宋体;span路n>器可以实现虚拟局域网之间的通信,交换机和网桥不能can>

family:宋体;spanspan>

.25 <.25 family:宋体;span路n>器具有路径选择和数据转发功能can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

&;" >family:宋体;spanspan>

"font-family:宋体;" >、&nbsspan>

Ecspan2style=";" >family:宋体;spanspan>

F完成统计复p>size:9pt;span521cspan2style=";" >family:宋体;span、在can>family:宋体;span路n>器上输入以下命令:can>

size:9pt;spancspan2style=";" >family:宋体;span以下说法正确的是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span这条命令显示了路n>器的can>family:宋体;span路n>表信息can>

size:9pt;span>

.25
<.25 family:宋体;span从这条命令可以看出,路n>器所在的自治系统被划分为二个区域can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span从这一条命令可以看出,区域can>family:宋体;span包含三个网段can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span区域can>family:宋体;span属于can>family:宋体;span区域can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>family:宋体;spanspan>

>

"cspan2style=";" >family:宋体;spanspan>

 

size:9pt;span522cspan2style=";" >family:宋体;span、两台can>family:宋体;span路n>器通过串口相连,can>

&;" >family:宋体;span<╟an>

family:宋体;spanfamily:宋体;span)与can>

&;" >family:宋体;span以太网口can>family:宋体;span相连,can>

family:宋体;spanfamily:宋体;span)与can>family:宋体;span相连,can>family:宋体;span默认网关配置正确。路n>器配置如下:can>

size:9pt;spanRouter#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration…完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip adress 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation ppp完成统计复p>size:9pt;spanip ADDRess 10.1.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spanRouterB#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanencapsulation ppp完成统计复p>size:9pt;spanip ADDRess 10.1.1.2 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span以下说法正确的是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25

&;" >family:宋体;span可以can>family:宋体;span通can>  

<2style="margin-left: 18pt;spancspan2style=";" >size:9pt;span>

.25
<.25

&;" >family:宋体;span不可以can>family:宋体;span通can>  

<2style="margin-left: 18pt;spancspan2style=";" >size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25

&;" >family:宋体;span可以can>family:宋体;span通can>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25

&;" >family:宋体;span不可以can>family:宋体;span通can>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

&;" >family:宋体;spanspan>

"完成统计复p>size:9pt;span52"font-family:宋体;" >、X.25下列关于动态路n>协议的链路状态算法叙述正确的是can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span链路状态是对路n>的描述can>

size:9pt;span>

cspan2style="误检测red;span.25
<.25 family:宋体;span链路状态是对网拓扑结构的描述can>

size:9pt;spancspan2style="误检测red;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span链路状态算法本身不会产生路n>自环can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span和can>family:宋体;span都使用链路状态算法can>

size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

"完成统计复p>size:9pt;span524cspan2style=";" >family:宋体;span、下面那些协议是可路n>协议<╟an>family:宋体;span)can>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

cspan2style="误检测red;span.25
<.25

.25 <.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

&;" >family:宋体;spanspan>

 

size:9pt;span525cspan2style=";" >family:宋体;spansp请您选出can>family:宋体;span网段的网 size:9pt;span稀穘>

&;" >family:宋体;spanspan>

190.5.4.0 190.5.7.255完成统计复p>size:9pt;span>

190.5.4.0 255.255.255.255完成统计复p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

190.5.0.0 190.5.4.255完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

190.5.4.0 190.5.4.255完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

size:9pt;span52"font-family:宋体;" >、family:宋体;span路n>器上,can>family:宋体;span技术应用了下列哪些安全措施?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span呼叫链路识别can>

size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>

&;" >family:宋体;spanspan>

>

"cspan2style=";" >family:宋体;spanspan>

 

size:9pt;span、在路由器上舠pcan>family:宋体;span协议报文的受部字段?can>family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 family:宋体;spanspan>

.25 <.25

、&nbsspan>

.25 <.25 family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span528cspan2style=";" >family:宋体;span、你打算将can>family:宋体;span备份组中的某台路n>器设置为工作在抢占方式,以下命令中的哪一条可以达到这样的效果?can>

family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span52"font-family:宋体;" >、一台、应使用哪一条命令来查看路n>器上的防火墙状态信息?can>

family:宋体;spanspan>

.25 <.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span530cspan2style=";" >family:宋体;spanspan>

( )cspan2style=";" >family:宋体;span是一个有效的can>family:宋体;span

size:9pt;span稀穘>

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19-22-01-63-23完成统计复p>size:9pt;span>

192.201.63.252完成统计复p> size:9pt;span"cspan2style=";" >family:宋体;spanspan>

0000.1234cspan2style=";" >family:宋体;span.can>size:9pt;span"font-family:宋体;" >、
&nbsspan>

cspan2style="误检测red;span00-00-11-11-11-AAcan>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span531cspan2style=";" >family:宋体;spanspan>

ATMcspan2style=";" >family:宋体;span是一种面向连接的技术,为在交换式can>family:宋体;span或can>family:宋体;span骨干网高速传输数据提供了通用的通信机制can>

size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span532cspan2style=";" >family:宋体;spanspan>

OSIcspan2style=";" >family:宋体;span参考模型的哪一层负责寻/泛吐穘>选择?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span数据链路层can>

size:9pt;span>

.25
<.25 family:宋体;span网层can>

cap>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span传输层can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span应用层can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span53"font-family:宋体;" >、X.25、在can>family:宋体;span公司的can>family:宋体;span协议中,can>family:宋体;span

size:9pt;span稀穘>

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1"font-family:薭ackground-color:#d9d9d9;span>cap>size:9pt;span>

32完成统计复p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

28完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

80完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span534cspan2style=";" >family:宋体;span、使用哪一条命令显示can>family:宋体;span接口状态和接口参数的配置?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 family:宋体;spanspan>

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.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span535cspan2style=";" >family:宋体;spansp属于点到点连接的链路层协议有<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

X.25完成统计复p>size:9pt;span>

cspan2style="误检测red;spanHDLCcan>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25
<.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span53"font-family:宋体;" >、

family:宋体;span)的协议can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span面向连接can>

size:9pt;span>

.25
<.25 family:宋体;span网协议can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span面向无连接can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span可靠can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span53"font-family:宋体;" >、在路由器上舠p在封装can>family:宋体;span协议的接口上,设定状态轮询定时器时间间隔的命令是can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span538cspan2style=";" >family:宋体;span、同can>

family:宋体;span异步接口提供can>family:宋体;span种>选电缆,当它连接拨号can>family:宋体;span时应选择(can>

family:宋体;span)电缆can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

8AScspan2style=";" >family:宋体;span电缆can>

size:9pt;span>

V35DTEcspan2style=";" >family:宋体;span电缆can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25
<.25
family:宋体;span电缆can>

size:9pt;span"font-family:宋体;" >、
&nbsspan>

.25 <.25 family:宋体;span电缆can>

size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

cspan2style="误检测red;span.25 <.25 family:宋体;span电缆can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span53"font-family:宋体;" >、一台、如果某主机能够和同一网段或远程网中的部分主机通信而不能同另一部分主机通信,那么发生该现象的可能原因是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span配置了不正确的子网掩码can>

size:9pt;span>

.25
<.25 family:宋体;span错误的can>family:宋体;span表can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span路n>器配置有问题can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span部分网失效can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span540cspan2style=";" >family:宋体;spansp在帧中继网中,需要打开帧中继的管理开关以监视网络的运行状况并定位问题,can>family:宋体;span系列路n>器中使用的命令是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span541cspan2style=";" >family:宋体;spanspan>

IGRPcspan2style=";" >family:宋体;span协议的默认最大跳计数是什么?can>

size:9pt; background-color:#d9d9d9;span稀穘>

&;" >family:宋体;spanspan>

100完成统计复p>size:9pt;span>

254完成统计复p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

255完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

16完成统计复p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

15完成统计复p>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span542cspan2style=";" >family:宋体;spansp当华为路n>器can>family:宋体;span接口<╟an>family:宋体;span或can>family:宋体;span)上运行can>family:宋体;span协议时,其配置命令can>family:宋体;span是为了设置和对端can>family:宋体;span号码span>

>family:宋体;span

size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span<篶an>

size:9pt;span54"font-family:宋体;" >、X.25、配置一个物理接口作为一个逻辑通道的备份接口<匦氲呐渲貌街璋<╟an>

family:宋体;span)can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span配置好逻辑通道can>

size:9pt;span>

.25
<.25 family:宋体;span指定这个物理接口的备份优先级can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span配置主备接口到目的网的路n>can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span在逻辑通道的配置模式中指定这个物理接口为备份接口can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span544cspan2style=";" >family:宋体;span、备份中心的功能有<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 family:宋体;span可为路n>器的任意接口提供备份接口can>

size:9pt;span>

.25
<.25 family:宋体;span路n>器的任意接口可以作为其它接口的备份接口can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span可以为路n>器接口的任意逻辑通道提供备份can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span路n>器接口的任意逻辑通道可以作为其它接口或逻辑通道提供备份can>

size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span一个接口可以配置多个备份接口can>

size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span具有多个逻辑通道的接口可以为多个接口或逻辑通道提供备份can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span545cspan2style=";" >family:宋体;spansp服务器一般都是通过特定的端口号来识别应用程序的,这些特定的端口号n>can>

&;" >family:宋体;span统一管理。请问can>

&;" >family:宋体;span管理的端口号范围是什么?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

1~255完成统计复p>size:9pt;span>

1~1022完成统计复p> size:9pt;span"cspan2style=";" >family:宋体;spanspan>

1~1023完成统计复p>size:9pt;span"font-family:宋体;" >、
&nbsspan>

1024~5000完成统计复p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

5000cspan2style=";" >family:宋体;span以上can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span54"font-family:宋体;" >、family:宋体;span是一种用来监测网络层连通性的路n>跟踪工具can>

size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span<篶an>

size:9pt;span54"font-family:宋体;" >、在路由器上舠p为了在can>family:宋体;span路n>器上配置域名can>family:宋体;span与can>

family:宋体;spanfamily:宋体;span的对应关系,请问下列配置命令正确的是哪一条?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>family:宋体;span所有的 明令都正确,唯一像的是Dcanpan>)cantrong謈an>

size:9pt;span548cspan2style=";" >family:宋体;span、两台can>family:宋体;span路n>器通过串口相连,can>

&;" >family:宋体;span<╟an>

family:宋体;spanfamily:宋体;span)与can>

&;" >family:宋体;span以太网口can>family:宋体;span相连,can>

family:宋体;spanfamily:宋体;span)与can>family:宋体;span相连,can>family:宋体;span默认网关配置正确。路n>器配置如下:can>

size:9pt;spanRouter#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration…完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.2.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanclock-select DTECLK3完成统计复p>size:9pt;spanencapsulation ppp完成统计复p>size:9pt;spanip ADDRess 10.1.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spanRouterB#DISPLAY running-config完成统计复p>size:9pt;spanNow create configuration完成统计复p>size:9pt;spanCurrent configuration完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanversion 1.4.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Ethernet0完成统计复p>size:9pt;spanspeed auto完成统计复p>size:9pt;spanduplex auto完成统计复p>size:9pt;spanno loopback完成统计复p>size:9pt;spanip ADDRess 192.168.1.1 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.1完成统计复p>size:9pt;span!完成统计复p>size:9pt;spaninterface Serial0完成统计复p>size:9pt;spanencapsulation ppp完成统计复p>size:9pt;spanip ADDRess 10.1.1.2 255.255.255.0完成统计复p>size:9pt;spanip ospf enable area 0.0.0.0完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanexit完成统计复p>size:9pt;spanrouter ospf enable完成统计复p>size:9pt;span!完成统计复p>size:9pt;spanEnd完成统计复p>size:9pt;spancspan2style=";" >family:宋体;span以下说法正确的是<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25

&;" >family:宋体;span可以can>family:宋体;span通canpan>PC

 

<2style="margin-left: 18pt;spancspan2style=";" >size:9pt;span>

.25
<.25

&;" >family:宋体;span不可以can>family:宋体;span通can>  size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25

&;" >family:宋体;span可以canpan>pingcspan2style=";" >family:宋体;span通can>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25

&;" >family:宋体;span不可以can>family:宋体;span通can>size:9pt;spancspan2style="误检测red;spanfamily:Gulim;spanANSWERcan>family:宋体;span<篶an>size:9pt;span54"font-family:宋体;" >、一台、以下关于can>family:宋体;span的说法中正确的是<篶an>

&;" >family:宋体;spanspan>

.25 <.25 cspan2style=";" >family:宋体;span默认情况下,在帧中继网中运行can>family:宋体;span协议,启用水平分割功能canpan>cspan2style="background-color:#d9d9d9;span>cantrong謈an>size:9pt;span>

.25
<.25 family:宋体;span支持多条路径负载平衡can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span在一个canpan>1500cspan2style=";" >family:宋体;span字节中的路n>更新数据包中最多包含有can>family:宋体;span条路n>can>

size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span触发更新定期发送can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span550cspan2style=";" >family:宋体;span、以下选项属于广域网协议的有<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

ISDN完成统计复p>size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

Frame-relay完成统计复p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spanGcspan2style=";" >family:宋体;spanspan>

Token Ring完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span551cspan2style=";" >family:宋体;spansp在can>family:宋体;span参考模型的会话层协商发送端与接收端的工作方式canpan>>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span<篶an>

size:9pt;span552cspan2style=";" >family:宋体;spanspcanpan>HTTPcspan2style=";" >family:宋体;span协议工作于can>family:宋体;span协议栈的哪一层?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25 <.25 family:宋体;span物理层can>

size:9pt;span>

.25
<.25 family:宋体;span数据链路层can>

size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span网络层canpan>>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span传输层can>

size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span应用层can>

size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span55"font-family:宋体;" >、X.25、一个canpan>稀穘>

&;" >family:宋体;span类family:宋体;span有<╟an>

family:宋体;span)位被用来划分子网canpan>>size:9pt;span稀穘>

&;" >family:宋体;spanspan>

4完成统计复p>size:9pt;span>

5完成统计复p>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

9完成统计复p> size:9pt;span"font-family:宋体;" >、
&nbsspan>

12完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span554cspan2style=";" >family:宋体;span、支持可变长子网掩码的路n>协议有<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

RIP v1完成统计复p>

.25 <.25 family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

IS-IS完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span555cspan2style=";" >family:宋体;spansp查看路n>器上的所有保存在can>family:宋体;span中的配置数据应在特权模式下输入命令<篶an>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

DISPLAY running-config完成统计复p>size:9pt;span>

.25
<.25
family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

DISPLAY memory完成统计复p>size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span55"font-family:宋体;" >、

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25
family:宋体;span避免来自同一端口的路n>更新数据包转发到本端口canpan>>

.25 <.25 family:宋体;span生成无环路的逻辑树形结构,尽最大可能在局域网段之间建立一条通路canpan>>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span在每一个局域网段之间建立一条路径canpan>>size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 family:宋体;span确保数据信息到达每一个节点canpan>>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>  

size:9pt;span55"font-family:宋体;" >、在路由器上舠p对于一个主接口,可以为它提供多个备份接口,当主接口出现故障时,多个备份接口可以同时接替主接口进行通讯canpan>>size:9pt;spanTcspan2style=";" >family:宋体;spanspan>

True完成统计复p>size:9pt;spanFcspan2style=";" >family:宋体;spanspan>

False完成统计复p>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span<篶an>

size:9pt;span558cspan2style=";" >family:宋体;span、有这样一个网络,两台can>family:宋体;span路n>器串口canpan>s0cspan2style=";" >family:宋体;span,can>family:宋体;span对应相连,串口canpan>0cspan2style=";" >family:宋体;span封装can>family:宋体;span协议,can>family:宋体;span的can>

family:宋体;spanfamily:宋体;span,can>family:宋体;spanfamily:宋体;span的can>

family:宋体;spanfamily:宋体;span,can>family:宋体;span223344556"7"font-family:宋体;" >、在路由器上牛渲衏an>family:宋体;span的can>family:宋体;span逻辑通道canpan>8cspan2style=";" >family:宋体;span作为主接口,canpan>s1cspan2style=";" >family:宋体;span作为备份接口,下列配置canpan>Router稀穘>

&;" >family:宋体;span主接口逻辑通道的命令正确的是什么?can>

size:9pt;span稀穘>

&;" >family:宋体;spanspan>

.25
<.25 size:9pt;span>

.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

.25 <.25 size:9pt;span"font-family:宋体;" >、&nbsspan>

.25 <.25 size:9pt;spanEcspan2style=";" >family:宋体;spanspan>

.25 <.25 family:宋体;span以下说法均不正确canpan>>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

size:9pt;span55"font-family:宋体;" >、一台、在配置了帧中继本地canpan>DLCIcspan2style=";" >family:宋体;span和对端can>family:宋体;span

size:9pt;span稀穘>

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.25
<.25 size:9pt;span"cspan2style=";" >family:宋体;spanspan>

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size:9pt;span560cspan2style=";" >family:宋体;span、采用单模光纤的canpan>1000Base-LXcspan2style=";" >family:宋体;span网段的理论最大长度为多少?can>

size:9pt;span稀穘>

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100cspan2style=";" >family:宋体;span米canpan>>size:9pt;span>

10cspan2style=";" >family:宋体;span公里canpan>>size:9pt;span"cspan2style=";" >family:宋体;spanspan>

200cspan2style=";" >family:宋体;span米canpan>>

family:宋体;span(原题如此)can>

size:9pt;span"font-family:宋体;" >、
&nbsspan>

500cspan2style=";" >family:宋体;span米canpan>>size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>size:9pt;span561cspan2style=";" >family:宋体;span、在下面各项中,哪一个字段不是can>family:宋体;span报头的一部分?can>

family:宋体;spanspan>

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size:9pt;spancspan2style="误检测red;spanfamily:宋体;span:can>

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DISPLAY interface完成统计复p>size:9pt;span>

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size:9pt;span56"font-family:宋体;" >、>size:9pt;span稀穘>

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size:9pt;span56"font-family:宋体;" >、在路由器上拧⑹淙肽奶趺羁梢钥吹揭韵滦畔ⅲ縞an>

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size:9pt;span572cspan2style=";" >family:宋体;spansp下列哪一个通配符掩码余子网canpan>172.16.64.0/2"font-family:宋体;" >、在路由器上诺乃兄骰ヅ鋍anpan>>size:9pt;span稀穘>

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size:9pt;span57"font-family:宋体;" >、X.25、canpan>Quidwaycspan2style=";" >family:宋体;span系列路n>器上,路n>表中的直接路n><╟an>family:宋体;span)可能有以下几种来源canpan>>family:宋体;spanspan>

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size:9pt;span575cspan2style=";" >family:宋体;span、动态路n>协议的基本功能是当网络中的路n蟹⑸谋涫保烁谋溲杆儆行У拇莸酵缰械拿恳惶酚善鳎保捎谕绱莸牟豢煽俊⑹毖拥雀髦峙既灰蛩氐拇嬖冢赡茉斐陕穘>信息的反复变化,从而到时网络的不稳定。canpan>IGRPcspan2style=";" >family:宋体;span协议引入了<╟an>

family:宋体;span)等机制,较有效的解决了这些问题<篶an>

size:9pt;span稀穘>

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size:9pt;span57"font-family:宋体;" >、family:宋体;span了<侨匀荒芄唤邮盏叫碌腸anpan>Emailcspan2style=";" >family:宋体;span信件。那么,作为管理员,下面哪一项是首先应该检查的<篶an>

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size:9pt;span580cspan2style=";" >family:宋体;spansp在can>family:宋体;span参考模型的网络层发送can>family:宋体;span到目的主机canpan>>

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size:9pt;span581cspan2style=";" >family:宋体;span、网络常见的拓扑形式有<篶an>

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size:9pt;span582cspan2style=";" >family:宋体;span、关于canpan>Hello Timecspan2style=";" >family:宋体;span和can>family:宋体;span这两个参数的设置,下面命令中的哪些是可行的?can>

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