A.enable aggressive load balancing
B.enable coverage hole detection
C.disable dynamic transmit power control
D.enable short preamble
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A.nominally 30 percent to best align with Cisco Unified Communications System recommendations
B.100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if needed
C.system default of 75 percent
D.40 to 60 percent
E.voice CAC should be left disabled unless wired QoS is configured
A.configure WLAN setting to enable WMM
B.configure WLAN Aironet information elements enabled
C.configure global 802.11b/g or 802.11a，or both，voice CAC
D.configure WLAN QoS Platinum
E.configure DTIM = 2
A.on any of the queues
B.AC_VO
C.AC_VI
D.the strict priority queue
A.synchronization of the transmission and reception of voice frames
B.bandwidth reservation
C.optimized power-save mode periods
D.increased call capacity
E.priority bandwidth and polling
A.AC_VI
B.AC_VO
C.AC_BK
D.AC_BE
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