多项选择题

Which three statements are true about load-based Call Admission Control?（）

A.grants a VoWLAN client-initiated call based on the number of active clients associated to the accesspoint
B.grants a VoWLAN client-initiated call based on channel bandwidth capacity
C.uses the 802.11i specification
D.uses 802.11 action frames
E.requires a WMM-enabled client

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多项选择题

Which three solutions does AirMagnet VoFi Pro Analyzer integrate?（）

A.Cisco Unified Communications Manager
B.Cisco Spectrum Expert
C.Vocera Server to display the username of the Vocera badge
D.Polycom SpectraLink syslog server
E.Cisco WCS VoWLAN readiness tool

单项选择题

Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）

A.enable aggressive load balancing
B.enable coverage hole detection
C.disable dynamic transmit power control
D.enable short preamble

单项选择题

What is the Cisco recommended setting for the Cisco Unified Wireless Network WLC Voice Call Admission Control Max RF Bandwidth to support the Cisco Unified Wireless IP Phone 7921G?（）

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