单项选择题

Which parameter， when enabled on a standalone access point， gives the highest priority to a voicepacket even when QoS is not enabled？（）

A.IGMP Snooping
B.WMM
C.QoS Element for Wireless Phones
D.AVVID Priority Mapping

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When optimizing a standalone point-to-multipoint bridge...

单项选择题

When optimizing a standalone point-to-multipoint bridge installation with eight non-root bridges.
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单项选择题

You review the Failed Attempts logs on an AAA server and find： "unknown network access servererror."
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CCNP(642-631)

Which parameter， when enabled on a standalone access point， gives the highest priority to a voicepacket even when QoS is not enabled？（）