Multiple choice technology architecture

Which of the TCP/IP layer deals with the quality-of-service issues of reliability, flow control, and error correction ?

  1. The application layer

  2. The internet layer

  3. The network access layer

  4. The transport layer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Transport layer (Layer 4) of the TCP/IP model handles quality-of-service issues including reliability through acknowledgments and retransmissions (TCP), flow control via sliding windows, and error correction through checksums. The Application layer provides user services, Internet layer handles routing, and Network Access layer deals with physical transmission.

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