TCP segment carries octets 4321 through 4371. What is its sequence number?
A) 4321
B) 4371
C) 4372
D) None of the above.

Question

Quizplus · Accepted Answer

The sequence number is the number assigned by the sender to the first byte in the segment. In this case, the first byte is 4321, so the sequence number is 4321. Option B is the number assigned to the last byte in the segment, and option C is the number that would be assigned to the first byte in the next segment. Option D is not a valid choice.

TCP Segment Carries Octets 4321 Through 4371