A.user request using the keypad of the phone and HTTP download
B.IT department scheduled upgrade using HTTP download
C.TFTP download based on version control through Cisco Unified Communications Manager
D.FTP download based on version control through Cisco Unified Communications Manager
E.HTTP download based on version control through Cisco Unified Communications Manager

A.CS3
B.CS1
C.EF
D.5
E.6

A.SIFS
B.PIFS
C.DIFS
D.LIFS
E.NAV
F.CWmin

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.minimum jitter
B.maximum jitter
C.upstream standard packet deviation
D.average MOS value
E.average conceal rate

A.Platinum
B.Gold
C.Silver
D.Bronze

A.AC_VI
B.AC_VO
C.AC_BK
D.AC_BE

A.11 Mb/s
B.18 Mb/s
C.24 Mb/s
D.54 Mb/s

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.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