Negative ACKnowledgements (NAKs) are not needed in a Reliable Data Transfer (RDT) protocol if:
A. sequence numbers are being used
B. timeouts and retransmissions are being used
C. checksums are being used
D. wireless is being used
Answer:B
Negative ACKnowledgements (NAKs) are not needed in a Reliable Data Transfer (RDT) protocol if:
A. sequence numbers are being used B. timeouts and retransmissions are being used C. checksums are being used D. wireless is being used