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

Virtual approach to packet switching

Datagram approach to packet switching

In ., each packet of a message need not follow the same path from

1.	In ., each packet of a message need not follow the same path from sender to receiver.
A.	Circuit switching
B.	Message switching
C.	Virtual approach to packet switching
D.	Datagram approach to packet switching
Answer» E.