2. 计算机
  3. Refer to the exhibit． The two exhibited devices are the only Cisco devices on the network． The serial network between the two de

Refer to the exhibit． The two exhibited devices are the only Cisco devices on the network． The serial network between the two de

admin2019-04-08  1
问题 Refer to the exhibit． The two exhibited devices are the only Cisco devices on the network． The serial network between the two devices has a mask of 255．255．255．252． Given the output that is shown, what three statements are true of these devices?
选项 A、The Manchester serial address is 10．1．1．1．
B、The Manchester serial address is 10．1．1．2．
C、The London router is a Cisco 2610．
D、The Manchester router is a Cisco 2610．
E、The CDP information was received on port Serial0/0 of the Manchester router．
答案A,C,E
解析 ＣＤＰ是ＣＩＳＣＯ私有的一个二层的协议，但是他却可以发现三层的ＩＰ信息的．通过ＣＤＰ可以发现的邻居的信息有：设备的名称，ＩＰ地址，端口，能力，平台，对端的holddown time．在上图的show cdp entry *命令的显示可以看到的信息有：设备名称：Ｌondon；ＩＰ地址：10．1．1．2；平台：cisco 2610；能力：Router；端口：s0/１；holdtime：１２５Ｓ．Ｍanchesteter收到这个ＣＤＰ信息的接口为S0/0．综合一下，这个题目的答案就出来了．
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