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2011年3月四级网络工程师笔试试卷(3)

2011年3月四级网络工程师笔试试卷(3)预览_历年真题

  (1) 将Catalyst 6500交换机的设备管理地址设置为203.29.166.9/24,缺省网关的IP地址为203.29.166.1,正确的配置语句是

  A)set interface vlan1 203.29.166.9 0.0.0.255 203.29.166.1

  B)set interface vlan1 203.29.166.9 255.255.255.0 203.29.166.1

  C)set interface sc0 203.29.166.9 0.0.0.255 203.29.166.1

  D)set interface sc0 203.29.166.9 255.255.255.0 203.29.166.1

  (2) 封禁ICMP协议,只转发212.78.170.166/27所在子网的所有站点的ICMP数据包,正确的access-list配置是

  A) Router(config)#access-list 110 permit icmp 212.78.170.166 0.0.0.0 any

  Router(config)#access-list 110 deny icmp any any

  Router(config)#access-list 110 permit ip any any

  B) Router(config)#access-list 110 permit icmp 212.78.170.0 255.255.255.224 any

  Router(config)#access-list 110 permit ip any any

  Router(config)#access-list 110 deny icmp any any

  C) Router(config)#access-list 110 perimt icmp 212.78.170.0 0.0.0.255 any

  Router(config)#access-list 110 deny icmp any any

  Router(config)#access-list 110 permit ip any any

  D) Router(config)#access-list 110 permit icmp 212.78.170.160 0.0.0.31 any

  Router(config)#access-list 110 deny icmp any any

  Router(config)#access-list 110 permit ip any any

  (3) Cisco路由器执行show access-list命令显示如下一组控制列表信息

  Standard IP access list 30

  deny 127.0.0.0,wildcard bits 0.255.255.255

  deny 172.16.0.0,wildcard bits 0.15.255.255

  permit any

  根据上述信息,正确的access-list配置是

  A) Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0

  Router(config)#access-list 30 deny 172.16.0.0 255.240.0.0

  Router(config)#access-list 30 permit any

  B) Router(config-std-nacl)#access-list 30 deny 127.0.0.0 0.255.255.255

  Router(config-std-nacl)#access-list 30 deny 172.16.0.0 0.15.255.255

  Router(config-std-nacl)#access-list 30 permit any

  C) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255

  Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255

  Router(config)#access-list 30 permit any

  D) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255

  Router(config)#access-list 30 permit any

  Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255

  (4) 通过拨号远程配置Cisco路由器时,应使用的接口是

  A)AUX B)Console C)Ethernet D)VTY

  (5) 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193.22.56.0/26、193.22.56.64/26、193.22.56.128/26和193.22.56.192/26,正确的配置命令是

  A)Router(config)# network 193.22.56.0 0.0.0.255

  B)Router(config-router)# network 193.22.56.0 255.255.255.0

  C)Router(config)# network 193.22.56.0

  D)Router(config-router)# network 193.22.56.0

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