网络中经常使用“帧中继”服务，请选出帧中继的优点（）

默认情况下，IGRP衡量路径好坏时，考虑的因素为（）

交换机的三大功能为（）

You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in the Ezonexam network.

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

Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)