计算机类考试2022思科认证每日一练(09月23日)

1. [单选题]当配置一个CISCO的路由器时，缺省的DR和BDR优先级是（）。

B. 1
C. 16
D. 255

2. [单选题]混合型协议既具有“距离矢量路由协议”的特性，又具有“链路状态路由协议”的特性，下列协议中属于混合型协议的是：()

A. RIP
B. OSPF
C. EIGRP
D. IGRP

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]After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

A. It will recall the previous command line
B. It will move the cursor one line up
C. It will redisplay the current command line
D. It will capitalize the command line
E. None of the above

5. [单选题]What is the purpose of the spanning-tree algorithm in a switched LAN?

A. To provide a monitoring mechanism for networks in switched environments.
B. To manage VLANs across multiple switches.
C. To prevent switching loops in networks with redundant switched paths.
D. To segment a network into multiple collision domains.
E. To prevent routing loops in networks.

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