正确答案: B

地址转换可以缓解地地址短缺的问题

题目：地址转换NAT的优点是()

解析：B

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举一反三的答案和解析：

[单选题]“InsideGlobal”地址在NAT配置里表示的是什么()

一个注册的地址是表示一个内部的主机到外部网络

[单选题]After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?

Router configuration-register set to bypass startup configuration

解析：解析：Explanation:

[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?

An un configured router goes into the setup dialog

解析：解析：Explanation:

[单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?

Data link

解析：解析：Explanation:

[单选题]哪一个命令可以设置路由器特权用户的“明文密码”（）

enable password

[单选题]默认情况下，RIP定期发送路由更新的时间是（）

30S