【名词&注释】
路由器(router)
[单选题]路由器“路由模式”的提示符号是（）
B. (config)
C. (config-if)
D. (config-router)
查看答案&解析
举一反三：
[多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)
A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
B. The DHCP Discover message uses UDP as the transport layer protocol.
C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
D. The DHCP Discover message uses TCP as the transport layer protocol.
E. The DHCP Discover message does not use a Layer 2 destination address.
F. F. The DHCP Discover message does not require a transport layer protocol.
[单选题]把访问权限表应用到路由器端口的命令是：()
A. permit access-list 101 out
B. ip access-group 101 out
C. apply access-list 101 out
D. access-class 101 out
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