Which of the following statement/s is/are TRUE?
1
In the continuous ARQ protocol, the sender sends the frames continuously without waiting for acknowledgement
2
In go-back-n ARQ, the timer expires the sender sends all outstanding frames.
3
In go-back-n ARQ, the receiver window can slide one or more slots at time when a correct frame has arrived.
4
In stop and wait protocol, propagation delay it would be same for both data packet and acknowledgement