多项选择题
A.RTP multiplexing is used to keep multiple phone conversations separate
B.RTP provides end-to-end delivery services for voice traffic.
C.UDP is used to ensure a reliable transmission from sender to receiver.
D.RTP is used to provide resource reservation for the voice stream.
E.UDP provides multiplexing of multiple phone conversations.
多项选择题 WhataretwocomponentsoftheOoSIntegratedServices(IntServ)model?()
多项选择题 Ciscoprovidestwoenhancementsto802.11securitywhichprotectaWEPkeyfromexploits.Whichtwotechnologiesprovidethesesecurityenhancements?()
单项选择题 Refer to the exhibit. The network has been configured with H.323 gateways and gatekeepers as shown. Which statement is true when a call is placed?()