Question: In a network using the Selective-Repeat protocol with m = 4 and the sending window of size 8, the value of variables are S f

In a network using the Selective-Repeat protocol with m = 4 and the sending window of size 8, the value of variables are S_f = 62, S_n = 67, and R_n = 64. Packet 65 has already been acknowledged at the sender site; packets 65 and 66
are received out-of-order at the receiver site. Assume that the network does not duplicate the packets.
a. What are the sequence numbers of pending data packets (in transit, corrupted, or lost)?
b. What are the acknowledgment numbers of pending ACK packets (in transit, corrupted, or lost)?

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