Alcatel-Lucent NRS I Composite Exam — Question 3

Which field in the TCP header is used by the receiver to indicate the number of segments it can receive?

Answer options

• A. Checksum
• B. SYN
• C. Destination port
• D. Window size
• E. MTU

Correct answer: A

Explanation

The correct answer is A, Checksum, as it is used to verify the integrity of the data. The Window size is the actual field that indicates how many segments can be received, unlike Checksum, SYN, Destination port, and MTU, which serve different purposes in TCP communication.