A.background
B.best effort
C.voice
D.video
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A.SIFS
B.PIFS
C.DIFS
D.LIFS
E.NAV
F.CWmin
A.20 bytes
B.60 bytes
C.120 bytes
D.160 bytes
A.minimum jitter
B.maximum jitter
C.upstream standard packet deviation
D.average MOS value
E.average conceal rate
A.The phone does a directed call hangup on 802.11b，then does an auto-redial on 802.11a，creating a new call.
B.The phone does a directed call hangup on 802.11b， then the user does a redial on 802.11a，creating a new call.
C.The phone does a disassociation on 802.11b and an association on 802.11a，and call remains up if the subnet has not changed.
D.The phone does not roam from 802.11b to 802.11a when on an active call.
E.The phone must switch network profiles to roam from 802.11b to 802.11a.
A.RSSI of the client at the access point
B.WMM state
C.current MOS value
D.current RF channel
E.current transmit data rate
最新試題
How do Cisco Unified Communications IP phones receive firmware upgrades?（）
Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）
Which three actions are required to access the network statistics on a remote Cisco Unified Wireless IP Phone 7921G via a web browser?（）
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?（）
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?（）
Which three call information items does AirMagnet VoFi Analyzer provide? （）
What is recommended for a wireless LAN infrastructure configuration when using SVP-version SpectraLink phones?（）
What is the Cisco recommended EDCF queue to use for voice TSPEC?（）
What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）
Which three are benefits of U-APSD?（）