单项选择题
A.CS3
B.CS1
C.EF
D.5
E.6
单项选择题 WhichkeypadsequencewillresettheCiscoUnifiedWirelessIPPhone7921tofactorydefault?（）
单项选择题 WhatisrecommendedforawirelessLANinfrastructureconfigurationwhenusingSVP-version SpectraLinkphones?（）
单项选择题 WhichstatementiscorrectforboththeLWAPPandCAPWAPAPupstream802.1QtaggedwiredQoS priorityforaWMM-associatedclientframethatisH-REAPlocallyswitchedrunningv5.2?（）