• [单选题]对于路由表,下列说法中正确的是:()
  • 正确答案 :B
  • 在缺省的情况下,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,则在路由表中只会显示OSPF发现的路由,因为OSPF协议的优先级更高


  • [单选题]查看路由表的命令是:()
  • 正确答案 :C
  • show ip route


  • [单选题]OSI七层模型中,“包”是哪一层数据封装的名称()
  • 正确答案 :C
  • 网络层


  • [单选题]如果网络中的路由器都是cisco路由器,则优先选择哪一个路由协议()
  • 正确答案 :B
  • EIGRP


  • [单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合,共划分了多少个子网(不包括全0子网和全1子网)()
  • 正确答案 :B
  • 30


  • [单选题]路由器“路由模式”的提示符号是()
  • 正确答案 :D
  • (config-router)


  • [单选题]路由器当前的模式为“端口模式”,要退回到“特权模式”,应该使用的快捷键为()
  • 正确答案 :B
  • ctrl+z


  • [多选题]How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)
  • 正确答案 :AE
  • VLANs allow access to network services based on department, not physical location.

    VLANs establish segmented broadcast domains in switched networks.

  • 解析:A,E,F 解析:Explanation:

  • [单选题]While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?
  • 正确答案 :E
  • The network layer

  • 解析:解析:Explanation:

  • [单选题]A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
  • 正确答案 :A
  • All defined VLANs are allowed on the trunk by default.

  • 解析:解析:Explanation:

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