Why might the Ezonexam network administrator set the configu

【名词&注释】

路由器(router)

[单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?

A. To boot the IOS from ROM
B. To reset the console password
C. To upload a new version of the configuration file
D. To upload a new version of the IOS
E. To allow a new memory upgrade to be recognized by the router

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学习资料：

[单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的广播地址为（）

A. 192.168.50.32
B. 192.168.80.64
C. 192.168.50.96
D. 192.168.50.71

[单选题]配置路由器时，封装PPP协议的命令是：()

A. encap ppp
B. ppp
C. group ppp
D. int ppp

[单选题]You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?

A. 225.225.224.0.
B. 225.225.240.0.
C. 225.225.255.0.
D. 255.255.255.224
E. 225.225.255.240

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