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1. [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
2. [单选题]对路由器的描述,正确的是()
A. 单广播域,单冲突域的设备
B. 单广播域,多冲突域的设备
C. 多广播域,单冲突域的设备
D. 多广播域,多冲突域的设备
3. [单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
A. A configured router prompts for a password
B. A configured router goes to the privileged mode prompt
C. An un configured router goes into the setup dialog
D. An un configured router goes to the enable mode prompt
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