单项选择题
A. Used to relay DHCP messages
B. Used to communicate with LAPs
C. Used to bring up LWAPP tunnels
D. Used to extend into the wireless client VLAN
单项选择题 During routine maintenance， it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time， DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group. What can be done to make the group function properly ？ （）
单项选择题 WhatistheconfiguredpriorityvalueoftheVlan105’sgrouponDS2？（）
单项选择题 If G1/0/1 on DS1 is shutdown， what will be the current priority value of the Vlan105’s group on DS1 ？（）