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

题目

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?

A.Hardware failure in NVRAM prevents the router from loading the config

B.Startup-config in flash is corrupt and cannot be analyzed

C.Router configuration-register set to bypass startup configuration

D.Startup-config in NVRAM is corrupt and cannot be analyzed

E.None of the above


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  • 第1题:

    一台Cisco路由器某接口的IP地址是192.168.2.110,要在该路由器上配置NTP服务,并将其指定为NTP服务器,需要使用()命令。

    A.Router(config)#server192.168.2.110

    B.Router(config)#ntp server

    C.Router(config)#master192.168.2.110

    D.Router(config)#ntp master


    参考答案:D

  • 第2题:

    下列Cisco路由器进入vty配置模式后的命令提示符,正确的是( )。

    A.Router

    B.Router(config)

    C.Router(config-line)

    D.Router(config-if)


    正确答案:C
    在全局配置模式下进入虚拟终端配置模式:

  • 第3题:

    将Cisco路由器的配置保存在NVRAM中,正确的命令是______。

    A) Router#write flash

    B)Router#write network

    C) Router#write memory

    D)Router#write erase

    A.

    B.

    C.

    D.


    正确答案:C

  • 第4题:

    哪个命令用来设置Cisco设备串行接口的默认封装()

    A.Router(config)encapsulation hdlc

    B.Router(config)encapsulation default hdlc

    C.Router(config-if)encapsulation hdlc

    D.Router(config-if)encapsulation ppp


    正确答案:C

  • 第5题:

    将Cisco路由器的配置保存在NVRAM中,正确的命令是

    A.Router #write flash

    B.Router #write network

    C.Router #write memory

    D.Router #write erase


    正确答案:C
    从NVRAM加载配置信息命令为Configurememory将路由器配置保存在NVRAM中命令为Writememory

  • 第6题:

    【单选题】哪个命令用来设置Cisco设备串行接口的默认封装?()

    A.Router(config)#encapsulation hdlc

    B.Router(config)#encapsulation default hdlc

    C.Router(config-if)#encapsulation hdlc

    D.Router(config-if)#encapsulation ppp


    C