單項選擇題Which protocol is used by multicast to prevent loops?（）

A.OSPF
B.RIP
C.RPF
D.BGP
E.EIGRP


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1.單項選擇題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?（）

A.Yes，by modifying the LWAPP frame header DSCP value in transit.
B.Yes，by modifying the LWAPP frame header 802.1p value in transit.
C.No，the WMM queue classification parameter is transported inside the LWAPP tunnel.
D.No，the WMM queue classification parameter is determined at the AP based on the original client IP  header DSCP value.

3.多項選擇題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

6.多項選擇題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

7.單項選擇題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.

9.多項選擇題Which three WLC items are required to properly enable queuing with TSPEC for voice traffic?（）

A.configure WLAN setting to enable WMM
B.configure WLAN Aironet information elements enabled
C.configure global 802.11b/g or 802.11a，or both，voice CAC
D.configure WLAN QoS Platinum
E.configure DTIM = 2

10.多項選擇題Which two multicast modes are valid options for use with Ethernet bridging on a mesh AP?（）

A.mesh bridge in
B.regular
C.bi-directional bridge
D.in
E.out

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

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