單項選擇題After the site installation is complete, you should verify the mobility of the VoWLAN device whilewalking the site on an active phone call. Which Cisco WLC or Cisco WCS command is mostbeneficial in determining roaming efficiency?()

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 


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2.單項選擇題What does a Cisco Unified Wireless IP Phone 7921G deployment require()?

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Which class of Cisco access points operate under IEEE 802.3af power?()

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