A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the receiving host put in the acknowledgment number field of the TCP segment that acknowledges this TCP segment?
A)8,657.
B)8,658.
C)8,659.
D)12,783.
E)12,784.

Question

Quizplus · Accepted Answer

The acknowledgment number field in a TCP segment contains the next expected sequence number. In this case, since the segment being acknowledged ends with octet 12,783, the next expected sequence number would be 12,784. Therefore, the receiving host will put 12,784 in the acknowledgment number field of the TCP segment that acknowledges this TCP segment.

A TCP Segment Begins with Octet 8,658 and Ends with Octet