• [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]OSI第二层数据封装完成后的名称是:()
  • 正确答案 :C

  • [单选题]PPP工作在OSI的哪一层()
  • 正确答案 :B
  • 数据链路层


  • [单选题]关于帧中继的说法,正确的是()
  • 正确答案 :C
  • 可以偷占带宽


  • [单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
  • 正确答案 :B
  • interface


  • [单选题]路由器上,清空路由表的命令是()
  • 正确答案 :D
  • clearip route*


  • [多选题]As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)
  • 正确答案 :BC
  • It encourages industry standardization by defining what functions occur at each layer of the model

    It divides the network communication process into smaller and simpler components; thus aiding component development, design and troubleshooting

  • 解析:解析:Explanation:

  • [单选题]A receiving host has failed to receive all of the segments that it should acknowledge.What can the host do to improve the reliability of this communication session?
  • 正确答案 :E
  • Decrease the window size

  • 解析:解析:Explanation:

  • [单选题]The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?
  • 正确答案 :C
  • 4 networks and 62 hosts

  • 解析:解析:Explanation:

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