单项选择题
When using simultaneous voice and multicast on a single WLAN and RF band, what is the recommended DTIM value of the WLAN for VoWLAN devices?（）
A.DTIM = 1
B.DTIM = 2
C.DTIM = 3
D.DTIM = 4
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相关考题
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单项选择题
WhatistheWMMuserpriorityofthepacketsgoingdownstreamtotheclientwhentheclientdoesnot supportTSPECbuttheCiscoWLChasACMenabledandWLANpriorityissettoPlatinum?（）
A.background
B.best effort
C.voice
D.video -
多项选择题
Whichthreeareinterframespacesdefinedin802.11?（）
A.SIFS
B.PIFS
C.DIFS
D.LIFS
E.NAV
F.CWmin -
单项选择题
WhatisthepayloadsizeofawirelessIPphoneinacallusingG.711codec?（）
A.20 bytes
B.60 bytes
C.120 bytes
D.160 bytes
