Discussion
In OSI model which layer is in between Physical layer and Network layer ?
Answer: A
The layer between the Physical and Network layers is the Data link layer.
The seven OSI layers, from the bottom: 1 Physical, 2 Data link, 3 Network, 4 Transport, 5 Session, 6 Presentation, 7 Application. The Data link layer packs bits into frames, adds physical (MAC) addresses and checks for transmission errors on a single link, before the Network layer routes packets between networks.
The Transport layer (4) sits above the Network layer, and the Session (5) and Presentation (6) layers are higher still, so none of them lies between layers 1 and 3.
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