Question 84

In ----------switching, all packets belonging to the same source and destination travel the same path; but the packets may arrive at the destination with different delays if resource allocation is on demand .

packet switching

circuit switching

datagram

virtual circuit

Question 83

Which of the following device send messages to media servers in VoIP to play announcements such as The number you called is no longer in service "

signalling gateways

soft switches

media servers

media gateways

Question 82

Intra-LATA services, in tlephone networks, are provided by --------.

		POPs
		IXCs
		all of the above
		LECs