[单选题]The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

正确答案 ：D

It will prevent segment 1's broadcasts from getting to segment 2.

解析：解析：Explanation

[单选题]下面对Cisco2621路由器和Cisco2501路由器描述中，错误的是（）

正确答案 ：C

Cisco2501上提供一个100Mbit/s的快速以太网端口

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

正确答案 ：C

172.16.208.0

解析：解析：Explanation:

[单选题]NAT可以被用于完成多种功能，以下不属于其功能的是：（）

正确答案 ：D

内部网络流量控制

[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]哪一个命令可以设置路由器特权用户的“明文密码”（）

正确答案 ：A

enable password

[单选题]在启用IGRP协议时，所需要的参数是：()

正确答案 ：C

自治系统号

[单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

正确答案 ：B

SETUP mode

解析：解析：Explanation:

[多选题]网络中经常使用“帧中继”服务，请选出帧中继的优点（）

正确答案 ：ABD

偷占带宽

提供拥塞管理机制

灵活的接入方式

解析：ABD

[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)

正确答案 ：CD

Switch(config-if) switchport mode trunk

Switch(config-if) switchport trunk encapsulation dot1q

解析：C,D 解析：Explanation:

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