Multiple choice technology architecture

What is the name of layer 3 of the OSI reference model ?

  1. The physical layer

  2. The transport layer

  3. The data link layer

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

Layer 3 of the OSI reference model is the Network Layer. This layer handles routing, logical addressing (IP addresses), and path determination between networks. It's responsible for forwarding packets to their destination across multiple networks. The Physical layer is Layer 1, Transport is Layer 4, and Data Link is Layer 2 - so options A, B, and C are incorrect.

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