datagram and VC

If a datagram router goes down then ..............

(A)

(B)

(C)

(D)

• all packets will suffer

• only those packets which are queued in the router at that time will suffer

• only those packets which are not queued in the router at that time will suffer

• no packets will suffer

In datagram subnet new route is chosen .....................

• for every packet sent

• for all the packet sent

• for all the packet sent

• for the packet which is not transmitted

The PSTN is an example of a ..................... network.

(A) packet switched (B) circuit switched

(C) message switched (D) None of these

• packet switched

• circuit switched

• message switched

• none

Which type of switching uses the entire capacity of a dedicated link?

(A) circuit switching

(B) datagram packet switching

(C) virtual circuit packet switching

(D) message switching

• message switching

• circuit switching

• packet switching

• none

In .................., each packet of a message follows the same path from sender to receiver.

• circuit switching

• message switching

• virtual approach to packet switching

• datagram approach to packet switching