Multiple choice technology architecture

What is the name of layer 4 of the OSI reference model ?

  1. The physical layer

  2. The transport layer

  3. The data link layer

  4. The network layer
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B Correct answer
Explanation

Layer 4 of the OSI model is the Transport layer, which provides end-to-end communication services, including reliable data delivery, flow control, error recovery, and multiplexing through ports. Protocols like TCP and UDP operate at this layer.

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