CCNA640-802 题库试题分析9(艾迪飞吴老师讲解)

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2．The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? (Choose two.)

  

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2007-11-19 17:57

A. Configure the gateway on Host A as 10.1.1.1.

B. Configure the gateway on Host B as 10.1.2.254.

C. Configure the IP address of Host A as 10.1.2.2.

D. Configure the IP address of Host B as 10.1.2.2.

E. Configure the masks on both hosts to be 255.255.255.224.

F. Configure the masks on both hosts to be 255.255.255.240.

Answer: BD

解释一下：主机A到他的指定网关的这条链路是没有问题的，因为HOST A，接口VLAN1和路由器的f0/0.1网段是相同的，且都是处于VLAN 1的。而HOST B的VLAN2到交换机是没有相同的VLAN 接口和他通讯的，所以HOST B发出的数据到交换机上就被丢弃了。所以需要在交换机上指定一个处于VLAN 2的接口，并将SVI地址配置为和路由器POP的f0/0.2相同网段的地址。因为路由器的接口的地址分配的是网段10.1.2.0/24，所以我们的HOST B的地址应该也分派一个10.1.2.0/24的地址，并且网关也指定为路由器POP的f0/0.2的地址。