What is the primary purpose of sequence numbers in the TCP protocol?
2025
What is the primary purpose of sequence numbers in the TCP protocol?
- A.
To count the number of routers in a path
- B.
To detect congestion in the network
- C.
To identify the receiver's port number
- D.
To ensure data is delivered in correct order
- E.
To encrypt data before transmission
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Correct answer: D
Correct answer: To ensure data is delivered in correct order.
TCP sequence numbers identify the position of bytes in the stream. They help the receiver reorder data and detect missing or duplicate segments.