思科认证2022精选每日一练(06月08日)

1. [单选题]网关的功能（）

A. 过滤数据包
B. 不同网段通信
C. 校验数据帧
D. 把数据封装成“段”

2. [单选题]哪个命令可以成功测试网络：()

A. Router>ping192.5.5.0
B. Routerping192.5.5.30
C. Router>ping192.5.5.256
D. Routerping192.5.5.255

3. [单选题]对于运行OSPF协议的路由器来说，RouterID是路由器的唯一标识，所以协议规定：必须保证RouterID在如下范围之内唯一（）。

A. 网段内
B. 区域内^{(intra-region)}
C. 自治系统内
D. 整个因特网

4. [单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?

A. Transport
B. Physical
C. Application
D. Data link
E. Network

5. [单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

A. ROM Monitor mode
B. SETUP mode
C. Autoflash mode
D. RXBOOT mode
E. None of the above

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