1.

Most packet switches use this principle ____________(a) Stop and wait(b) Store and forward(c) Store and wait(d) Stop and forward

Answer» Right option is (b) Store and forward

Easy explanation: The packet switch will not transmit the first bit to outbound link until it receives the entire packet. If the entire packet is not received and the time-out period expires, the packet switch will inform the sender to resend the part of packet or the entire packet based on the algorithm being used.


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