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?（）

WhatistheWMMuserpriorityofthepacketsgoingdownstreamtoth...

单项选择题What is the WMM user priority of the packets going downstream to the client when the client does not support TSPEC but the Cisco WLC has ACM enabled and WLAN priority is set to Platinum?（）

Whichthreeareinterframespacesdefinedin802.11?（）A.SIFSB....

多项选择题Which three are interframe spaces defined in 802.11?（）

WhatisthepayloadsizeofawirelessIPphoneinacallusingG.711...

单项选择题What is the payload size of a wireless IP phone in a call using G.711 codec?（）