A) Circuit- switching
B) Message switching
C) The virtual approach to packet switching
D) The datagram approach to packet switching
E) None of these
Correct Answer: C
Solution :
In a virtual circuit approach to packet switching, the relation-ship between all packets belonging to a message or session is preserved. A single route is chosen between sender and receiver at the beginning of the session. When the data are sent all packets of the transmission travel one after another along that route,You need to login to perform this action.
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