正确答案: C

It is used to bypass the configuration in NVRAM.

题目：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

解析：解析：Explanation:

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举一反三的答案和解析：

[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()

定义地址池

[单选题]哪个命令可以成功测试网络：()

Routerping192.5.5.30

[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（）

192.168.50.65---192.168.50.70