计算机类考试2022思科认证优质每日一练(09月19日)

1. [单选题]在OSPF的DR/BDR选举过程中，在路由器有相同的接口优先级情况下，什么用于确定DR或BDR（）

A. 最高的OSPF进程ID
B. 最低的接口IP地址
C. 最低的接口开销
D. 路由器ID

2. [单选题]On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)

A. The destination host sends a request to the source for retransmission.
B. The jam signal indicates that the collision has been cleared.
C. The hosts will attempt to resume transmission after a time delay has expired.
D. An electrical pulse indicates that the collision has cleared.
E. The router on the segment will signal that the collision has cleared.
F. F. The hosts will do nothing, as the higher layers are responsible for data error correction and re-transmission.

3. [多选题]在配置帧中继子接口时，在物理接口上应该配置的内容是：()

A. 配置IP地址
B. 封装帧中继协议^{(fr protocol)}
C. 指定子接口类型
D. 设定子接口
E. 配置密码

4. [单选题]You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?

A. 225.225.224.0.
B. 225.225.240.0.
C. 225.225.255.0.
D. 255.255.255.224
E. 225.225.255.240

查看答案&解析查看所有试题

本文链接：https://www.51ksbd.net/show/roxd7j.html