【导读】
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1. [单选题]路由器上激活端口的命令是()
A. shutdown
B. no shutdown
C. up
D. noup
2. [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
3. [单选题]路由器上端口fa0/0,其最大传输速率是()Mbit/s
A. 128
B. 10
C. 100
D. 1000
4. [单选题]关于帧中继的说法,正确的是()
A. 速率最大为1Mbit/s
B. 不提供差错校验功能
C. 可以偷占带宽
D. 数据传输质量高于DDN
5. [多选题]The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two)
A. ARP
B. CDP
C. DHCP
D. DNS
E. ICMP