多选题

TCP uses a retransmiss...

Question

TCP uses a retransmission timer to ensure data delivery in the absence of any feedback from the remote data receiver. The retransmission timeout is referred to as RTO. Which of following statements about RTO is true?（多选）

A. The calculation of RTO is related to RTT

B. RTOs can be caused by Duplex mismatch on the switch

C. RTOs can be caused by Driver issues

D. None of the above.