Think about the functions of a NIC card.
Layer 1 physical link termination
Layer 2 Ethernet or whatever link later technology in use
Layer 4 it could have TCP offload capabilities
So you can see quickly that a Nic can perform functions in three areas. Generally speaking we think of Nic as layer 1&2.
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Could you please let me know to which layer of the OSI model NIC belongs. I found few answers but those answers seem to be contradictory.
From various resources I have gone through, some mentioned that NIC belongs to L1, some mentioned that it belongs to L2 and some mentioned that it belonging to both L1 & L2.
What should the correct answer be incase we get an examination question asking the above.
Thank you very much.
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