单项选择题
A.show {802.11a 802.11b} 2roam statistics B.show client roam-history C.show client tsm 802.11a/b/g D.show client detail E.show client ap-roam-history
Whatwillcausewirelessvoicedevicestoperformpoorly？（）A.av...
单项选择题What will cause wireless voice devices to perform poorly？（）
A.average signal strength that is greater than -67 dBi B.cell overlap of 15 to 20 percent C.uneven wireless coverage D.absence of coverage holes
WhatdoesaCiscoUnifiedWirelessIPPhone7921Gdeploymentrequ...
单项选择题What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？
A.more access points than a data network B.fewer access points than a data network C.less SNR than a data network D.specific relative access point placement
WhichantennagenerallyhasthenarrowestfirstFresnelzoneinb...
单项选择题Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes？（）
A.omnidirectional B.patch C.Yagi D.sector E.parabolic dish
