[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:()
正确答案 :BCD
封装帧中继协议
指定子接口类型
设定子接口
解析:BCD
[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?
正确答案 :D
Data link
解析:解析:Explanation:
[多选题]Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
正确答案 :ABD
Create the VLAN.
Name the VLAN.
Add the desired ports to the new VLAN.
解析:解析:Explanation:
[多选题]Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)
正确答案 :BDE
A jam signal informs all devices that a collision occurred.
The devices that are involved in the collision stops transmitting for a short time.
The collision invokes a random back-off algorithm.
解析:解析:Explanation:
[多选题]在路由器上,可以使用的命令有:()
正确答案 :ABC
ping
show interfaces
show ip route
解析:ABC
[单选题]帧中继环境中,CIR的含义是()
正确答案 :B
保证线路速率
[单选题]How many usable IP addresses can you get from a conventional Class C address?
正确答案 :C
254
解析:解析:Explanation:
[单选题]访问控制列表分为标准和扩展两种。下面关于ACL的描述中,错误的是()。
正确答案 :C
标准ACL可以根据分组中的IP目标地址进行过滤
[单选题]要把交换机的配置文件保存到tftp服务器,应使用的命令为()
正确答案 :B
copy running-configt ftp
[单选题]下列命令中,无法正确执行的是()
正确答案 :A
Router(config)show run
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