Question 100

The ------- layer decides the location of synchronization points.

transport

session

application

presentation

Question 99

In----------, each packet of a message need NOT follow the same path from sender to receiver.

circuit switching

the datagram approach to packet switching

message switching

the virtual approach to packet switching

Question 97

------- Service is the digital version of an analog switched line. It is a switched digital service that allows data rates of up to 56 kbps. User do not need modems to transmit digital data.

800 service

switched/56

DDS

900 service

Question 96

In softswitch terminology, the physical switching function is performed by a --------

		media server
		gateway
		media gateway
		cross bar switch