2022思科认证试题题库(8U)

1. [单选题]路由器下，由一般用户模式进入特权用户模式的命令是：（）

A. enable
B. config
C. interface
D. router

2. [单选题]为了连接“帧中继”线路，网络中的路由器需要提供的端口类型为（）

A. FastEthernet
B. Serial
C. BRI
D. Ethernet

3. [多选题]The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.Which of the following are layer 1 devices that you can use? (Choose all that apply.)

A. A switch
B. A router
C. A network adapter card
D. A hub
E. A repeater

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