单项选择题

What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）

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

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单项选择题

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

单项选择题

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.