單項(xiàng)選擇題Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?()

A.***
B.**#
C.**1
D.**2


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1.單項(xiàng)選擇題 What is recommended for a wireless LAN infrastructure configuration when using SVP-version SpectraLink phones?()

A.Disable DTPC on the radio.
B.Disable higher data rates on the radio.
C.Disable WMM policy on the WLAN.
D.Disable multicast on the WLAN.

2.單項(xiàng)選擇題Which statement is correct for both the LWAPP and CAPWAP AP upstream 802.1Q tagged wired QoS priority for a WMM-associated client frame that is H-REAP locally switched running v5.2?()

A.Wireless client WMM UP classification is translated to a wired DSCP priority.
B.Wireless client 802.11p classification is translated to a wired DSCP priority.
C.Wireless client WMM UP classification is translated to a wired 802.1p CoS priority.
D.Wireless client 802.11p classification is translated to a wired 802.1p CoS priority.
E.WLAN configured QoS level is used to set the wired DSCP priority.
F.Wired 802.1p CoS priority is not set.

6.多項(xiàng)選擇題Which three are interframe spaces defined in 802.11?()

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

7.單項(xiàng)選擇題What is the payload size of a wireless IP phone in a call using G.711 codec?()

A.20 bytes
B.60 bytes
C.120 bytes
D.160 bytes

8.單項(xiàng)選擇題What call performance statistics are reported on the Cisco Wireless IP Phone 7921 user interface?()

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

9.單項(xiàng)選擇題Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?()

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.

10.多項(xiàng)選擇題Which two pieces of information does the Cisco WLC v5.2 client monitor feature provide about a VoWLAN client?()

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

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