You are a senior network administrator at Ezonexam, and whil

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正确答案:C。A.What is the purpose of this command? B.It is used to restart the router. C.It is used to bypass the configuration in NVRAM. D.It is used to enter ROM Monitor mode. E.It is used to view the lost password. F.It is used to save the changes to the configuration. 更多思科认证的考试资料下载及答案解析请访问不凡考网计算机类考试考试频道。

[单选题]You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:o/r 0x2142

A. What is the purpose of this command?
B. It is used to restart the router.
C. It is used to bypass the configuration in NVRAM.
D. It is used to enter ROM Monitor mode.
E. It is used to view the lost password.
F. It is used to save the changes to the configuration.

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举一反三：

[单选题]命令ip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0的作用是()

A. 指定可访问地址
B. 定义地址池
C. 指定路由
D. 定义哪些地址可以进行地址转换

[单选题]哪个命令可以成功测试网络：()

A. Router>ping192.5.5.0
B. Routerping192.5.5.30
C. Router>ping192.5.5.256
D. Routerping192.5.5.255

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的子网有效IP为（）

A. 192.168.50.33---192.168.50.39
B. 192.168.50.41---192.168.50.50
C. 192.168.50.65---192.168.50.70
D. 192.168.50.66---192.168.50.75

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