As shown in the figure, the clientAand serverBestablished betweenTCPconnection, two places in the figure”?”The message sequence number should be which of the following?
A. a+1:a
B. a:a+1
C. b+1:b
D. a+1:a+1
As shown in the figure, the clientAand serverBestablished betweenTCPconnection, two places in the figure”?”The message sequence number should be which of the following?
A. a+1:a
B. a:a+1
C. b+1:b
D. a+1:a+1