Which TCP/IP layer provides end-to-end data transport and reliability?

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Multiple Choice

Which TCP/IP layer provides end-to-end data transport and reliability?

Explanation:
The Transport layer handles end-to-end data transport and reliability. It provides a logical connection between processes on different hosts and manages reliable delivery, including segmentation, sequencing, acknowledgments, retransmission, and flow control (as TCP does). The Internet layer is about moving packets across networks using IP addressing and routing, but it doesn’t guarantee delivery or order. The Network Access layer deals with how frames are transmitted over the local network, including hardware addressing and local error detection, not end-to-end reliability. The Application layer concerns the programs and their data, not the mechanics of transport reliability.

The Transport layer handles end-to-end data transport and reliability. It provides a logical connection between processes on different hosts and manages reliable delivery, including segmentation, sequencing, acknowledgments, retransmission, and flow control (as TCP does). The Internet layer is about moving packets across networks using IP addressing and routing, but it doesn’t guarantee delivery or order. The Network Access layer deals with how frames are transmitted over the local network, including hardware addressing and local error detection, not end-to-end reliability. The Application layer concerns the programs and their data, not the mechanics of transport reliability.

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