A.DTIM = 1
B.DTIM = 2
C.DTIM = 3
D.DTIM = 4
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A.background
B.best effort
C.voice
D.video
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.
最新試題
What is recommended for a wireless LAN infrastructure configuration when using SVP-version SpectraLink phones?（）
When designing the coverage area for high call capacity, what two actions should be done with data rates and channels?（）
Which three call information items does AirMagnet VoFi Analyzer provide? （）
Which two multicast modes are valid options for use with Ethernet bridging on a mesh AP?（）
For which WMM queue is U-APSD most beneficial?（）
What will improve the battery life of a Cisco Unified Wireless IP Phone 7921G?（）
Which statement describes the WLCv5.2 delivery of a multicast packet from a wired PC source on VLAN_X to a respective wireless client using SSID_X, using a WLAN controller enabled for multicast?（）
What is the Cisco recommended EDCF queue to use for voice TSPEC?（）
An LWAPP encapsulated packet is being sent from the Cisco WLC v5.2 to the AP for a wireless WMM client. Can the LWAPP frame be altered to change the resulting final WMM queue for transmission on an 802.11 client?（）
Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）