单项选择题
What frame type is used to signal TSPEC reservation from a client?()
A.RSVP
B.ADDTS
C.802.11 association information elements
D.WMM capabilities exchange
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单项选择题
Whichprotocolisusedbymulticasttopreventloops?()
A.OSPF
B.RIP
C.RPF
D.BGP
E.EIGRP
