2022思科认证模拟考试题248

1. [多选题]CDP is being used throughout the Ezonexam network. What are two reasons why the Ezonexam network administrator would use CDP? (Choose two)

A. To determine the status of network services on a remote device
B. To obtain the IP Address of a connected device in order to telnet to the device
C. To verify the type of cable interconnecting two devices
D. To verify Layer 2 connectivity between two devices when Layer 3 fails
E. To obtain VLAN information from directly connected swticehs
F. F. To determine the status of the routing protocols between directly connected routers
G. G. To support automatic network failover during outages

2. [单选题]路由器“全局模式”的提示符为（）

A. >
C. (config)
D. (config-router)

3. [单选题]帧中继环境中，CIR的含义是（）

A. 提高线路速率
B. 保证线路速率
C. 降低线路速率
D. 配置线路速率

4. [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

5. [单选题]路由表中，某条路由的“路由代码为D”，则表明该路由为（）

A. 直连路由
B. 静态路由
C. IGRP路由
D. EIGRP路由

6. [单选题]路由器上，清空路由表的命令是（）

A. clear ip
B. delete ip route
C. delete route
D. clearip route*

7. [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

8. [多选题]What are two characteristics of "store and forward" switching? (Select two answer choices)

A. Latency fluctuates regardless of frame. size.
B. The switch receives the complete frame. before beginning to forward it.
C. Latency through the switch varies with frame. length.
D. The switch checks the destination address upon receipt of headers.

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