正确答案: B

show interface e0

题目：为了查看路由器的E0端口上，是否挂接了访问权限表，应该使用的命令是（）

解析：B

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举一反三的答案和解析：

[单选题]路由器上的命令“show version”的功能是（）

显示版本信息

[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 hub

A repeater

解析：解析：Explanation:

[单选题]TELNET工作在OSI哪一层（）

应用层

[单选题]Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?

100 meters

解析：解析：Explanation:

[单选题]对于使用链路状态路由协议的路由器如何选择最佳路线到达子网，下列哪项是正确的（）

通过针对链路状态数据库中的信息运行SPF算法，路由器会计算出最佳路由

[单选题]A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?

172.16.208.0

解析：解析：Explanation:

[单选题]关于OSPF中DR的说法不正确的是（）

如果某路由器优先级比DR优先级高，但启动晚，它会抢占原来的DR自己成为DR

[多选题]Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)

The host network card and the switch port must be capable of operating in full-duplex mode.

There are no collisions in full-duplex mode.

A dedicated switch port is required for each full-duplex node.

解析：解析：Explanation: