1.在Cisco路由器上用于永久保存路由器的开机诊断程序、引导程序和操作系统软件的存储器是()。

Flash

NVRAM

RAM

ROM

2.在Cisco路由器中主要用来永久保存路由器的开机诊断程序、引导程序和操作系统，以完成路由器初始化进程的存储器是()。

RAM

Disk

Flash

ROM

3.在Cisco路由器上主要用来永久保存路由器的开机诊断程序和引导程序的存储器是()。

Flash

NVRAM

RAM

ROM

4.Cisco路由器存储开机诊断程序、引导程序和操作系统软件的内存是()。

NVRAM

RAM

ROM

Flash

5.在Cisco路由器上主要用于存储启动配置(startup-config)文件或备份配置文件的存储器是()。

Flash

NVRAM

RAM

ROM

6.在Cisco路由器的内存中，主要用于存储启动配置文件(startup-confg)或备份配置文件的可读写存储器是()。

Flash

NVRAM

RAMM

ROM

7.在Cisco路由器上主要用于存储startup-confg文件或备份配置文件的存储器是()。

Flash

NVRAM

RAM

ROMM

8.在Cisco路由器上主要用于存储当前使用的操作系统映像文件和微代码的存储器是()。

Flash

NVRAM

RAM

ROM

9.在Cisco路由器上主要用于存储路由器当前使用的操作系统映像文件和一些微代码的存储器是()。

NVRAM

Flash

DISK

ROM

10.在Cisco路由器上主要用于存储路由表、快速交换缓存、ARP缓存、数据分组缓冲区和缓冲队列、运行配置(nmning confguration)文件，以及正在执行的代码和一些临时数据信息的存储器是()。

RAM

NVRAM

Flash

ROM
11.Cisco路由器中的路由表包含多种路由信息源时，根据缺省的管理距离值，路由器在转发数据包时，会选择的路由信息源是()。

IGRP

IS-IS

OSPF

RIP

12.当路由表中包含多种路由信息源时，根据缺省的管理距离值，路由器在转发数据包时，会选择的路由信息源是()。

RIP

IGRP

OSPF

Static

13.当路由表中包含多种路由信息源时，根据缺省的管理距离值，路由器在转发数据包时，会选择的路由信息源是()。

connected

IS-IS

OSPF

static

14.VLAN工作在OSI参考模型的层次是()。

物理层

数据链路层

网络层

传输层

15.通过拨号远程配置Cisco路由器时，应使用的接口是()。

AUX

Console

Ethernet

VTY

16.在Cisco路由器上连接一台Modem，通过拨号远程配置路由器时应采用的连接方式是()。

TFTP

telnet

Console

AUX

17.下列Cisco路由器进入vty配置模式后的命令提示符，正确的是()。

Router #

Router (config)#

Router (config-line)#

Router (config-if)#

18.在Cisco路由器用户模式下，进入特权模式时应输入的命令是()。

telnet

enable

setup

config

19.执行路由器的ip route命令必须进入的工作模式是()。

用户模式

特权模式

路由协议配置模式

全局配置模式

20.在Cisco路由器上输入“configure terminal”命令，路由器将进入的工作模式是()。

Global Configuration

Privileged EXEC

Setup

User EXEC

21.在Cisco路由器的用户模式下输入“enable”命令，路由器将进入的工作模式是()。

Global Configuration

Privileged EXEC

Setup

User EXEC

22.在Cisco路由器上执行showiproute 命令时，路由器应工作的模式是()。

User EXEC

Privileged EXEC

Setup

RXBOOT

23.Cisco路由器密码丢失时，要恢复密码应进入的工作模式是()。

Global Configuration

Privileged EXEC

RXBOOT

Setup

24.Cisco路由器恢复密码时必须进入的模式是()。

Global Configuration

Privileged EXEC

RXBOOT

Setup

25.一台刚出厂没有任何配置的Cisco路由器时，路由器进入的模式是()在通过Console进入。

Global Configuration

Privileged EXEC

RXBOOT

Setup

26.在Cisco路由器上，以下可以删除全部配置的命令是（）。

Router#write delete

Router#delete write

Routerferase memory

Router#write erase

27.Cisco路由器用于查看路由表信息的命令是()。

show ip route

show ip router

show route

show router

28.将Cisco路由器的配置保存在NVRAM中，正确的命令是()。

Router#write flash

Router#write network

Routerfwrite memory

Routerfwrite erase

29.在显示路由器的配置信息时，路由器必须进入的工作模式是()。

用户模式

特权模式

设置模式

虚拟终端配置模式

30.在Cisco路由器上执行一条命令后得到下列信息

那么该路由器执行的命令是()。

Router#show configuration

Router#show flash

Router>show ip protocols

Router#show ip route

31.在一台Cisco路由器上使用show access-lists命令得到下列信息

Standard IP access list test

deny 10.0.0.0,wildcard bits 0.255.255.2551og

deny 192.168.0.0,wildcard bits 0.0.255.255

deny 127.0.0.0,wildcard bits 0.255.255.255

deny 172.16.0.0,wildcard bits 0.15.255.255

permit any路由器access-1ists的正确配置是()。

Router(config)#ip access-list extended test

Router(config-ext-nacl)#deny 10.0.0.0 0.255.255.255 1og

Router(config-ext-nacl)#deny 192.168.0.0 0.0.255.255

Router(config-ext-nacl)#deny 127.0.0.0 0.255.255.255

Router(config-ext-nacl)#deny 172.16.0.0 0.15.255.255

Router(config-ext-nacl)#permit any

Router(config)#ip access-list standard test

Router(config-std-nacl)#deny 10.0.0.0 0.255.255.255 1og

Router(config-std-nacl)#deny 192.168.0.0 0.0.255.255

Router(config-std-nacl)#deny 127.0.0.0 0.255.255.255

Router(config-std-nacl)#deny 172.16.0.0 0.15.255.255

Router(confg-std-nacl)#permit an

Router(config)#ip access-lis

Router(config-std-nacl)#permit any

Router(config-std-nacl)#deny 10.0.0.0 0.255.255.255 1og

Router(config-std-nacl)#deny 192.168.0.0 0.0.255.255

Router(config-std-nacl)#deny 127.0.0.0 0.255.255.255

Router(config-std-nacl)#deny 172.16.0.0 0.15.255.255

Router(config)#ip access-list standard test

Router(config-std-nacl)#deny 10.0.0.0 255.0.0.0 1og

Router(config-std-nacl)#deny 192.168.0.0 255.255.0.0

Router(config-std-nacl)#deny 127.0.0.0 255.0.0.0

Router(config-std-nacl)#deny 172.16.0.0 255.240.0.0

Router(config-std-nacl)#permit any

32.在Cisco路由器上执行一条命令后得到下列信息

那么该路由器执行的命令是()。

Router # show configuration

Router # show flash

Router # show ip protocols

Router #f show ip route

33.在Cisco路由器上执行一条命令后得到的部分信息如下:

在路由器上执行的命令是()。

Router#show configuration

Router#show flash

Router#show ip protocols

Routerfshow ip route

34.在某台Cisco路由器OSPF配置模式下，定义参与OSPF的子网地址，错误的配置是()。

network 123.149.65.7 0.0.0.0 area 0

area 5 range 215.93.67.0 0.0.0.255

network 139.18.0.0 0.0.0.255 area 1

area 3 range 198.65 184.0 255.255.255.0

35.下列选项中，不会出现在Cisco路由器路由表中的是()。

S 167.105.125.128[1/01 via 202.112.7.1

C 212.112.37.16 is directly connected.POs3/0

S*0.0.0.0(maskis 255.255.255.255)[1/01 via 202.112.7.2

O E1 202.120.232.0/25 [110/231 via 202112.1 131.00:03:02.FastEthernet4/1

36.某局域网用一台路由器互连4个子网。各子网的网络地址分别是193.22.56.0/26、10322 56 6406使用RIP v1路由协议配置参数与RIP协议的网络地址，其正确的配置是()。

network 193.22.56.0/26

network 193.22.56.0 0.0.0.255

network 193.22.56.0 255.255.255.192

network 193.22.56.0

37.在Cisco路由器上配置RIP v1路由协议，参与RIP路由的网络地址有193.2.56.026、193.22.56.64126、193.2.56.12826和193.22.56.19226，正确的配置命令是()。

Router (config)# network 193.22.56.0 0.0.0.255

Router (config-router)# network 193.22.56.0 255.255.255.0

Router (config)# network 193.22.56.0

Router (config-router)# network 193.22.56.0

38.如下图所示，某校园网用10Gbps的POS技术与CERNET相连，POS接口的帧格式是SDH，下列R1的POS 3/0接口配置，正确的是()。

Router (config)#interface pos3/0

Router (config-if)#description To CERNET

Router (config-if)#bandwidth 10000

Router (config-if#ip address 222 38.69.78 255.255.255.252

Router (config-if)#crc 64

Router (config-if)#pos framing sdh

Router (config-if)#no ip directed-broadcast

Router (config-if)#pos flag s1s0 2

Router (config-if)#no shutdown

Router (config-if)#exit

Router (config)#

Router (config)#interface pos3/0

Router (config-if)#description To CERNET

Router (config-if)#bandwidth 10000000

Router (config-if#ip address 222.38.69.78 255.255.255.252

Router (config-if)#crc 16

Router (config-if)#pos framing sdh

Router (config-if)#no ip directed-broadcast

Router (config-if)#pos flag sls0 0

Router (config-if)#no shutdown

Router (config-if)#exit

Router (config)#

Router (config)#interface pos3/0

Router (config-if)#description To CERNET

Router (config-if)#bandwidth 10000000

Router (config-if#ip address 222 .38.69.78 0.0.0.3

Router (config-if)#crc 32

Router (config-if)#pos framing sdh

Router (config-if)#no ip directed-broadcast

Router (config-if)#pos flag sls0 2

Router (config-if)#no shutdown

Router (config-if)#exit

Router (config)#

Router (config)#interface pos3/0

Router (config-if)#description To CERNET

Router (config-if)#bandwidth 10000000

Router (config-if#ip address 222.38.69.78 255.255.255.252

Router (config-if)#crc 16

Router (config-if)#pos framing sdh

Router (config-if)#no ip directed-broadcast

Router (config-if)#pos flag sls0 2

Router (config-if)#no shutdown

Router (config-if)#exit

Router (config)#

39.在某园区网中，路由器R1的GE0/1(212.112.8.5/30)与路中器R2的GE0/1(212.112.8.6/30相连，R2的GE0/2(21211289/30)与R3的GE0/1(212.112.8.1030)相许，R3的GE0/2(212.112.8.13/30)直接与Internet上的路由器相连，路中器R1缺省路中的正确配置是()。

ip route 0.0.0.0 0.0.0.0 212.112.8.6

ip route 0.0.0.0 0.0.0.0 212.112.8.9

ip route 0.0.0.0 0.0.0.0 212.112.8.10

ip route 0.0.0.0 0.0.0.0 212.112.8.13

40.下列是一台路由器的部分路由表信息，表中的路由信息完全正确的是()。

0 E2 202.205.159.0/24[110/201 via 202.112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/201 via 202.112.62.242,7wod,GigabitEthermet4/2

202 38.97.0/30 is subnetted, 1 subnets

S 202.38.97.196 [1/0] via GigabitEthernet4/3

C 202.112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24 [110/201 via 202.112.62.242,7wod, GigabitEthermet4/2

202.112.38.0/30 is subnetted.2 subnets

C 202.112.38.16 is directly connected.POs3/0

S 202.112.236.0/24 [1/0] via 202.112.41.8

S* 0.0.0.0/0 [1/0] via 202.112.38.17

0 E2 202.205.159.0/24 [110201 via 202.112.62.242.7w0d. GigabitEtheret4/2

0 E2 202 205.158.0/24 [110/201 via 202.112.62.242.7ww0d GigabitEthermet4/2

202.38.97.0/30 is subnetted. 1 subnets

S 202,38.97.196 [1/01 via 202.112.41.226

C 202.112.7.0/24 is directly connected. vlan902

0 E2 202.205.233.0/24 [110/201 via 202.112.62.242.7wod GigabitEthemet4/2

202 112 38.0/30 is subnetted.2 subnets

C 202.112.38.16 is directly connected. vlan903

S 202.112.236.0/24 [1/0] via 202.112.41.8

S*0.0.0.0/0 [1/0] via 202.112.38.17

0E2 202.205.159.0/24 [110/201 via 202.112.62.242,7wod, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/20]via 202.112.62.242,7w0d, GigabitEthernet4/2

202.38.97.0/30 is subnetted. 1 subnets

S 202.38.97.196 [1/01 via 202.112.41.226

C 202.112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202.112.38.0/30 is subnetted.2 subnets

C 202.112.38.16 is directly connected.POs3/0

S 202.112.236.0/24 [1/01 via 202.112.41.8

S* 0.0.0.0/24 [1/01 via 202.112.38.17

O E2 202.205.159.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/201 via 202.112.62.242.7wod. GigabitEthernet4/2

202 38.97.0/30 is subnetted.1 subnets

S 202.38.97.196 [1/0] via 202.112.41.226

C 202.112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202,112.38.0/30 is subnetted.2 subnets

C 202.112.38.16 is directly connected.POS3/0

S 202.112.236.0/24 [1/01 via 202.112.41.8

s* 0.0.0.0/0 [1/0] via 202.112.38.17

41.下列是一台Cisco路由器的部分路由表信息，表中的路由信息完全正确的是()。

0E2 202.205.159.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthemet4/2

0 E2 202 205.158.0/24 [110/201 via 202.112.62 242.7wod GigabitEthernet4/2

202.38.97.0/30 is subnetted.1 subnets

S 202.38.97.196 「1/01 via 202.112.41.226

C 202.112.7.0v24 is directly connected, vlan122

0 E2 202.205.233.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

S*0.0.0.0/0 [1/01 via 202.112.41.217

0 E2 202.205.159.0/24 [120/201 via 202.112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [120/201 via 202.112.62.242.7wod. GigabitEthernet4/2

202.38.97.0/30 is subnetted, 1 subnets

S 202.38.97.196 [1/01 via FastEthernet2/5

C 202.112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24 [120/201 via 202.112.62.242,7wod, GigabitEthernet4/2

S*0.0.0.0/0 [1/01 via 202.112.41.217

0E2 202.205.159.0/24 [110/201 via 202.112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.024 [110/201 via 202.112.62.242.7wod, GigabitEthernet4/2

202.38.97.0/30 is subnetted, 1 subnets

S 202.38.97.196 [1/01 via 202.112.41.226

C 202,112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24 [110/201 via 202.112.62.242.7wod. GigabitEthernet4/2

S*0.0.0.0/0 [1/0] via GigabitEthernet4/4

OE2 202.205.159.0/24 [110/201 via 202 112.62.242.7wod. GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202.38.97.0/30 is subnetted. 1 subnets

S 202.38.97.196 [1/0] via 202.112.41.226

C 202,112.7.0/24 is directly connected, FastEthernet2/5

0 E2 202.205.233.0/24[110/20] via 202.112.62.242.7wod GigabitEthernet4/2

S* 0.0.0.0/0 [1/0] via 202-112.41.217

42.下列是一台Cisco路由器的部分路由表信息，表中的路由信息完全正确的是()。

C202.112.38.16 is directly connected, Pos3/0

0 E1 202.112.38.72 [110/21] via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202 112.236.0/24 [1/0] via 202.112.41.8

0 E2 202.205.255.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

0 162.105.139.64/26[110/3]via 162.105.250.118,10-35:25,GigabitEthernet7/0

B 168.160.0.0/16[200/70] via 202.112.63.254.1w0d

B 210.74.144.0/24[200/701 via 202.112.63.254.1w0d

S*0.0.0.0/0 「1/01 via 202.112.38.17

C 202.112.38.16 is directly connected, Pos3/0

0 E1 202.112 38.72 [110/21] via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202.112.236.0/24 「1/0] via 202.112.41.8

0 E2 202.205.255.0/24 [110/201 via 202.112.62.242,7wod, GigabitEthernet4/2

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

0 162.105.139.64/26 [110/3]via 162.105.250.118,10:35:25,GigabitEthernet7/0

B 168.160.0.0/16[200/701 via 202.112.63.254.1w0d

B 210.74.144.0/24 「200/701 via 202.112.63.254.1wodS* 0.0.0.0/24 [1/0] via 202.112.38.17

C202.112.38.16 is directly connected,POs3/0

0 E1 202.112.38.72 [110/21] via 202.112.62.242,2w6d, vlan62

S 202.112.236.0/24 [1/0] via 202.112.41.8

0E2 202.205.255.0/24「110/201 via202 112.62.242.7wod vlan255

162.105.0.0/16 is variably subnetted, 209 subnets.4 masks

0 162.105.139.64/26[110/3] via 162.105.250.118, 10-35:25,vlan250

B 168.160.0.0/16[200/701 via 202.112.63.254.1wod

B 210.74.144.0/24 [200/701 via 202.112.63.254.1wod

S* 0.0.0.0/0 [1/0] via 202.112.38.17

C 202.112.38.16 is directly connected.POs3/0

0 E1 202.112.38.72 [110/21] via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202.112.236.0/24 「1/0] via GigabitEthernet4/6

0 E2 202.205.255.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

162.105.0.0/16 is variably subnetted,209 subnets.4 masks

0 162.105.139.64/26[110/3]via 162.105.250.118,10-35:25, GigabitEthernet7/0

B 168.160.0.0/16 [200/70] via 202.112.63.254.1w0d

B 210.74.144.0/24 [200/701 via 202.112.63.254.1w0d

S* 0.0.0.0/0 [1/0] via 202.112.38.17

43.下列是一台Cisco路由器的部分路由表信息，表中的路由信息完全正确的是()。

0 E2 202.205.159.0/24 [110/201 via 202.112.62.242,7w0d,GigabitEthernet4/2

0 E2 202.205.158.0/24[110/201 via 202112.62.242.7wod GigabitEthernet4/2

202.38.97.0/30 is subnetted, 1 subnets

S202.38.97.196[1/0] via GigabitEthernet4/2

202.112.7.0/24 is directly connected,FastEthernet2/5C

C202.112.38.16 is directly connected.POS3/0

0 E1 202.112 38.72 [110/211 via 202.112.62.242,2w6d,GigabitEthernet4/2

S202.112.236.0/24 [1/0] via GigabitEthernet4/2

219.243.224.0/29 is subnetted 1 subnets

219.243.224.168 is directly connected, FastEthernet2/2

S202 112.236.0/24 [1/0] via GigabitEthernet4/2

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

162.105 139.64/26[1103]via 162 105 .250 118,10:35:25,GigabitEthernet7/0

0.0.0.0/0 「100/01 via 202.112.38.17

0 E2 202.205.159.0/24 [110/20] via 202112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202.38.97.0/30 is subnetted, 1 subnets

202 38 97.196 [1/0] via 202.112.41.226

202.112.7.0/24 is directly connected,7wOd, FastEthernet2/5

202.112.38.16 is directly connected,7w0d, POs3/0

0 E1 202.112.38.72 [110/211 via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202112.236.0/24[1/0] via 202.112.41.8

219.243.224.0/29 is subnetted, 1 subnets

219.243.224.168 is directly connected, 7w0d, FastEthernet2/2

202.112.236.0/24 [1/0] via 202.112.41.8

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

162105 139.64/26[110/31via 162 105.250.118,10-35:25,GigabitEthernet7/0

0.0.0.0/1 [100/01 via 202.112.38.17

0 E2 202.205.159.0/24 [110/20]via 202.112.62.242, 7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202 .38 97.0/30 is subnetted,1 subnets

202.38 97 196 [1/0] via 202 112.41.226

202.112.7.0/24 is directly connected, FastEthernet2/5

202.112.38.16 is directly connected,POs3/0

0 E1 202.112.38.72 [110/21] via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202112.236.0/24 [1/0] via 202.112.41.8

219.243 .224.0/29 is subnetted, 1 subnets

219 243.224.168 is directly connected, FastEthernet2/2

S 202112.236.0/24 [1/0] via 202.112.41.8

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

162.105.139.64/26[110/3]via 162.105 250118,10:35:25,GigabitEthernet7/0

0.0.0.0/0 [1/0 via 202.112.38.17

0 E2 202.205.159.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

0 E2 202.205.158.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

202 38 97.0/30 is subnetted, 1 subnets

202.38.97.196 [1/0] via 202 112.41.226

202.112.7.0/24 is directly connected,7wOd, VLAN12

202.112.38.16 is directly connected,7w0d, VLAN13

O E1202.112.38.72 [110/21] via 202.112.62.242,2w6d, GigabitEthernet4/2

202 112.236.0/24 [1/0] via 202-112.41.8

219 243 .224.0/29 is subnetted, 1 subnets

219 243.224.168 is directly connected.7w0d,VLAN14

202.112.236.0/24 [1/0] via 202.112.41.8

162.105.0.0/16 is variably subnetted, 209 subnets, 4 masks

162.105.139.64/26110/31via 162.105.250.118,10:35:25,GigabitEthernet7/0

0.0.0.0/0 「100/01 via 202.112-38.17

44.下列是一台Cisco路由器的部分路由表信息，表中的路由信息完全正确的是()。

C 202.112.38.16 is directly connected, Pos3/0

0 E1 202,112 .38,72 [110/211 via 202.112.62.242,2w6d, GigabitEthernet4/2

S 202.112.236.0/24 [1/0] via 202.112.41.8

0 E2 202.205.255.0/24 [110/20] via 202.112.62.242,7w0d, GigabitEthernet4/2

162,105.0.0/16 is variably subnetted,209 subnets.4 masks

0 162.105.139.64/26

[110/3] via 162.105.250.118.10:35:25.GigabitEtheret7/0

B 168.160.0.0/16 [115/701 via 202.112.63.254.1w0d

B 210.74.144.0/24 [115/70] via 202.112.63.254.1wod

S* 0.0.0.0/0 [1/0] via 202.112.38.17

C 202.112.38.16 is directly connected.POs3/0

0 E1 202 112 38,72「110/211 via 202 112.62 242 2iv6d vlan62

S 202.112.236.0/24 [1/01 via 202.112.41.8

0 E2 202,205.255.0/24[110/201 via 202 112.62.242.7wwod vlan2s5

162.105.0.0/16 is variably subnetted,209 subnets. 4 masks

0 162.105.139.64/26

[110/31 via 162.105.250 118.10:35:25.vlan250

B 168.160.0.0/16[200/701 via 202.112.63.254.1w0d

B 210.74.144.0/24 [200/701 via 202.112.63.254.1w0d

S*0.0.0.0/0 [1/01 via 202.112.38.17

C 202.112.38.16 is directly connected.POs3/0

0 E1 202.112.38.72 [110/211 via 202.112.62.242,2wv6d, GigabitEthernet4/2

S 202.112.236.0/24 [1/0] via 202.112.41.8

0 E2 202 205.255.0/24 [110/201 via 202.112.62.242.7wod GigabitEthernet4/2

162.105.0.0/16 is variably subnetted.209 subnets.4 masks

0 162.105.139.64/26

[110/31 via 162.105.250.118.10:35:25.GigabitEthernet7/0

B 168.160.0.0/16 [200/70] via 202.112.63.254.1w0d

B 210.74.144.0/24「200/701 via202.112.63.254.1v0d

S* 0.0.0.0/0 [1/0] via 202.112.38.17

C 202.112.38.16 is directly connected,Pos3/0

0 E1 202.112.38.72 [110/211 via 202.112.62.242.2wv6d.GigabitEthernet4/2

S 202.112.236.0/24 「1/01 via GigabitEthernet4/6

0 E2 202 205.255.0/24「110/201 via202 112.62.242.7wod GigabitEthernet4/2

162.105.0.0/16 is variably subnetted. 209 subnets.4 masks

0 162.105.139.64/26

[110/3]via 162.105.250.118,10:35:25,GigabitEthernet7/0

B 168.160.0.0/16[200/701 via 202.112.63.254.1wv0d

B 210,74,144,0/24[200/701 via 202.112.63 .254.1v06

S* 0.0.0.0/0 [1/0] via 202.112.38.17

45.下列是一台Cisco路由器的部分路由表，表中的路由信息完全正确的是()。

Gateway oflast resort is 202.112.41.217 to network 0.0.0.0.0

C 212.112.7.0/24 is directly connected,VLAN120

212.112.37.0/30 is subnetted,1subnets

C 212.112.37.16 is directly connected,VLAN130

167.105.0.0/26 is subnetted,2subnets

S 167.105.125.128 [1/0] via 202.112.7.1

S 167.105.144.192 [1/0] via 202.112.7.1

S *0.0.0.0/0 [1/0] via 202.112.41.217

Gateway of last resort is 202.112.41.217 to network 0.0.0.0

C 212.112.7.0/24 is directly connected,FastEthernet 2/5

212.112.37.0/30 is subnetted.1 subnets

C 212.112.37.16 is directly connected,Pos3/0

167.105.0.0/26 is subnetted,2subnets

S 167.105.125.128 [1/0] via2 02.112.7.1

S 167.105.144.192 [1/0] via 202.112.7.1

S*0.0.0.0/0 「1/01 via202.112.7.1

Gateway oflast resort is 202.112.41.217 to network 0.0.0.0

C 212.112.7.0/24 is directly connected,FastEthernet 2/5

212.112 .37.0/30 is subnetted.1 subnets

C 212.112.37.16 is directly connected.POS3/0

167.105.0.0/26 is subnetted.2 subnets

S 167.105.125.128 [1/0] via 202.112.7.1

S 167.105.144.192 [1/0] via 202.112.7.1

S*0.0.0.0/0[1/01 via202.112.41.217

Gateway of last resort is 202.112.41.217 to net work 0.0.0.0

C 212.112.7.0/24 is directly connected,FastEthernet2/5

212.112.37.0/30 is subnetted.1 subnets

C 212.112.37.16 is directly connected.POS3/0

167.105.0.0/26 is subnetted.2 subnets

S 167 105.125.128 [20/0] via 202.112.7.1

S 167.105.144.192 [20/0] via 202.112.7.1

S*0.0.0.0/020/01 via202.112.41.217

46.下列是一台Cisco三层交换机的部分路由表，表中的路由信息完全正确的是()。

Gateway oflast resort is 162.105.1.145 to network 0.0.0.00

222.29.2.0/24 [110/3]via 162.105.1.145,00:13:43,Vlan10

222.29.32.0/24[110/31 via 162.105.1.145.00:13:43.Vlan10

*E20.0.0.0/0 [11011 via 202.112.41.6.00:15:10.Vlan1

C 222.105.157.0/24 is directly connected.Vlan157

C 222.105.156.0/24 is directly connected,Vlan30

S 222.105.239.0/25 [1/0] via 202.112.41.6

S 222.105.125.128/26「1/01 via 202.112.7.1

Gateway oflast resort is 162.105.1.145 to network 0.0.0.00

222.29.2.0/24 [110/3]via162.105.1.145.00:13:43,Vlan10

222.29.32.0/24 [110/31 via162.105.1.145.00:13:43.Vlan10

*E20.0.0.0/0[110/11 via162.105.1.145.00:15:10.V1an1

C 162.105.157.0/24 is directly connected,Vlan157

C 162.105.156.0/24 is directly connected.Vlan30

S 162.105.239.0/25 [1/0] via vlan157

S 162.105.125.128/26 [1/01 via vlan1

Gateway oflast resort is 162.105.1.145 to network 0.0.0.0

0 222.29.2.0/24 「115/31 via1 62.105.1.145.00:13:43.Vlan1

0 222.29 32.0/24 [115/3] via 162.105.1.145.00:13:43.V1an1

0 *E20.0.0.0/0 [115/1]via 162.105.1.145,00:15:10,Vlan1

C 162,105.157.0/24 is directly connected, GigbitEthernet 0/1

C 162.105.156.0/24 is directly connected,GigbitEthernet 0/2

S 162.105.239.0/25 [1/0] via 202.112.41.6

S 162.105.125.128/26 「1/01 via 202.112.7.1

Gateway of last resort is 162.105.1.145 to network 0.0.0.0

0 222.29.2.0/24 [110/3]via 162.105.1.145,00:13:43,V1an1

0 222,29.32.0/24「110/31 via 162.105.1.145.00:13:43.V1an1

0*E20.0.0.0/0「110/11 via 162.105.1.145.00:15:10.V1an1

C 162.105.157.0/24 is directly connected,Vlan157

C 162.105.156.0/24 is directly connected.Vlan30

S 162.105.239.0/25 「1/01 via 202.112.41.6

S 162.105.125 128/26 [1/0] via 202.112.7.1

47.下列是一台Cisco三层交换机的部分路由表信息，表中的路由信息完全正确的是()。

0 162.105.153.0/24[110/21 via 162.105.254.8.GigabitEthernet4/2

0 162.105.152.0/24 [110/21 via 162.105.254.14.GigabitEthernet4/2

C 162.105.157.0/24 is directly connected.Vlan157

C 162.105.156.0/24 is directly connected,Vlan30

0 E1 162.105.144.0/25 [110/30] via 162.105.253.249.Vlan253

0 162.105.151.0/24 [110/2] via 162.105.254.14. GigabitEthernet4/2

S 162.105.239.0/25 [1/01 via 202.112.41.6

S 162.105.125.128/26 [1/01 via 202.112.7.1

0 162.105.153.0/24[110/2] via 162.105.254.8.00:23:00,Vlan2

0 162.105.152.0/24[110/21via 162.105.254.14.00:23:00 Vlan2

C 162.105.157.0/24 is directly connected,00:23:00,FastEthernet2/5

C 162.105.156.0/24 is directly connected, 00:23:00,FastEthernet2/7

0 E1 162.105.144.0/25 [110/301 via 162.105.253.249.00:23:00.Vlan253

0 162.105.151.0/24[110/21 via 162.105.254.14.00:23:00.Vlan2

S 162.105.239.0/25 [1/0] via 202.112.41.6

S 162.105.125.128/26 [1/0] via 202.112.7.1

0 162.105.153.0/24 [110/2] via 162.105.254.8.00:23:00.Vlan2

0 162.105152.0/24「110/2 via 162.105.254.14.00:23:00.V1an2

C 162.105.157.0/24 is directly connected, Vlan157

C 162.105.156.0/24 is directly connected. Vlan30

0 E1 162.105.144.0/25 [110/301 via 162.105.253.249,00:23:00,Vlan253

0 162.105.151.0/24 [110/2]via 162.105.254.14,00:23:00,V1an2

S 162.105.239.0/25 [1/0] via GigabitEthernet4/2

S 162.105.125.128/26 [1/0] via FastEthernet2/5

0 162.105.153.0/24 [110/2] via 162.105.254.8,00:23:00,Vlan2

0 162.105.152.0/24 [110/2]via 162.105.254.14,00:23:00,Vlan2

C 162.105.157.0/24 is directly connected, Vlan157

C 162.105.156.0/24 is directly connected.Vlan30

0 E1 162.105.144.0/25 [110/30] via 162.105.253.249,00:23:00,V1an253

0 162.105.151.0/24[110/21via 162.105.254.14.00:23:00.Vlan2

S 162.105.239.0/25 [1/0] via 202.112.41.6

S 162.105.125.128/26[1/0] via 202.112.7.1

48.下列是一台第三层交换机的部分路由表，表中的路由信息完全正确的是()。

0 162.105.153.0/24 「110/21 via 162.105.254.8.00:23:00.Vlan2

0 E1162.105.144.0/25 「110/301 via 162.105.253.249.00:23:00.Vlan253

C 162.105.239.0/25 「1/01 via 202.112.41.6

C 162.105.125.128/26 [1/01 via 202.112.7.1

S 162.105.157.0/24 is directly connected, Vlan 157

S 162.105.156.0/24 is directly connected, Vlan 30

0 162.105.153.0/24 [11021 via 162,105.254.8.00:23:00.vlan 2

0E 1162.105.144.0/25[110/301 via 162.105.253.249.00:23:00.Vlan 253

C 162.105.157.0/24 is directly connected, Vlan 157

C 162.105.156.0/24 is directly connected. Vlan 30

S 162.105.239.0/25 「1/01 via 202.112.41.6

S 162.105.125.128/26[1/0] via 202.112.7.1

0162.105.153.0/24[110/21 via 162.105.254.8.00:23:00.Vlan 2

0 E1162.105.144.0/25[110/30] via 162.105.253.249.00:23:00,Vlan 253

C 162.105.157.0/24 is directly connected, Fast Ethernet 3/8

C 162.105.156.0/24 is directly connected, POs 3/0

S 162.105.239.0/25 [1/01 via 202.112.41.6

S 162.105.125.128/26 [1/01 via 202.112.7.1

0 162.105.153.0/24 [100/2] via 162.105.254.8,00:23:00,Vlan 2

0 E1162105 144.0/25 [100/30] via 162.105 253.249.00:23:00,Vlan 253

C 162.105.157.0/24 Is directly connected.Vlan 157

C 162.105.156.0/24 is directly connected. Vlan 30

S 162.105.239.0/25 [1/0] via 202.112.41.6

S 162.105.125.128/26 [1/01 via 202.112.7.1

49.下列是一台三层交换机的部分路由表信息，表中的路由信息完全正确的是()。

C169.28.155.0/24 is directly connected,FastEthernet2/15

O E1 169.28.87.0/24 [110/21] via 162.105.254.24, 2d16h, Vlan2

202.38.97.0/30 is subnetted, 1 subnets

C 202.38.97.196 is directly connected.POs3/0

0 169.28.70.0/24「110/21 via 162.105.254.5.2d16h Vlan2

0 169,28,117.0/24[110/21 via 162,105.254.15.2d16hVlan2

C 169.28.159.8/29 is directly connected. FastEthernet2/5

S 169.28.159.48/28 [1/01 via 169.28.159.10

C 169.28.155.0/24 is directly connected.Vlan450

0 E1 169,28,87.0/241120/211 via 162 105 254.24 2d16h vlan2

202.38.97.0/30 is subnetted, 1 subnets

C 202.38.97.196 is directly connected Vlan902

0 169,28,70.0/24 [120/21 via 162.105,254,5.2d16hvlan2

0 169.28.117.0/24 [120/21 via 162.105.254.15.2d16h.Vian2

C 169,28.159,8/29 is directly connected Vlan909

S 169.28 159.48/28 [1/0]via 169.28.159.10

C 169.28.155.0/24 is directly connected,Vlan450

O E1 169.28.87.0/24 [110/21] via 162.105.254.24,2d16h, Vlan2

202 38.97.0/30 is subnetted, 1 subnets

C 202.38.97.196 is directly connected.Vlan902

O 169.28.70.0/24 [110/2] via 162.105.254.5, 2d16h, Vian2

O 169.28.117.0/24 [110/2]via 162.105.254.15,2d16h, Vian2

C 169.28.159.8/29 is directly connected, Vlan909

S 169.28.159.48/28 [1/0] via Vlan908

C 169.28.155.0/24 is directly connected.Vlan450

O E1 169.28.87.0/24 [110/211 via 162.105.254.24.2d16h. Vlan2

202.38.97.0/30 is subnetted.1 subnets

C 202.38.97.196 is directly connected Vlan902

0 169.28.70.0/24「110/21 via 162.105.254.5.2d16h.Vian2

0 169.28.117.0/24 [110/2]via 162.105.254.15,2d16h Vlan2

C 169.28.159.8/29 is directly connected Vlan909

S 169 .28.159.48/28 [1/01 via 169.28.159.10

50.下列是一台第三层交换机的部分路由表信息，表中的路由信息完全正确的是()。

C 222.29.155.0/24 is directly connected, FastEthernet2/10

0 E1 222.29.87.0/24 [110/21]via 162.105.254.24,2d16h, Vlan2

202.38.97.0/30 is subnetted. 1 subnets

C 202.38.97.196 is directly connected.POs3/0

0 222,29.70.0/241110/21 via 162.105.254.5.2d16h. vian2

0 222.29.117.0/24 [110/2] via 162 105.254.15,2d16h Vlan2

C 222.29.159.8/29 is directlv connected,FastEthernet2/5

S 222.29 159.48/28 [1/0] via 222.29.159.10

C222.29.155.0/24 is directlv connected.Vlan455

0 E1 222.29.87.0/24 「120/211 via 162.105.254.24.2d16h Vlan2

202.38.97.0/30 is subnetted 1 subnets

C 202.38.97.196 is directly connected. Vlan902

0 222.29.70.0/24[120/21 via 162.105.254.5.2d16h.Vian2

0 222.29.117.0/24 [120/2] via 162.105.254.15,2d16h, Vlan2

C 222.29.159.8/29 is directly connected. Vlan909

S 222.29 159.48/28 [1/0] via 222.29.159.10

C222.29.155.0/24 is directly connected.Vlan455

0 E1 222.29.87.0/24 [110/211 via 162.105.254.24,2d16h, Vlan2

202.38.97.0/30 is subnetted.1 subnets

C 202.38.97.196 is directly connected.Vlan902

0 222.29.70.0/24 [110/2]via 162.105.254.5,2d16h Vlan2

0 222.29.117.0/24「110/21 via 162.105.254.15.2d16h.Vlan2

C 222.29.159.8/29 is directly connected.Wlan909

S 222.29.159.48/28 [1/0] via Vlan908

C 222.29.155.0/24 is directly connected, Vlan455

O E1 222.29.87.0/24 [110/211 via 162.105.254.24,2d16h, Vlan2

202.38.97.0/30 is subnetted.1 subnets

C 202.38.97.196 is directly connected.Vlan902

0 222.29.70.0/24 [110/2] via 162.105.254.5,2d16h, Vlan2

0 222.29.117.0/24 [110/2] via 162.105.254.15,2d16h. Vlan2

C 222.29.159.8/29 is directly connected, Wlan909

S 222.29.159.48/28 [1/0] via 222.29.159.10