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NIC belongs to which layer of the OSI model.

Dear all,

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 belongs to both L1 & L2.

What should the correct answer be incase we get an examination question asking the above.

Thank you very much.

Comments

  • 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.



    Sent from my iPhone

    On Aug 25, 2016, at 3:05 AM, PureSouls <bounce-PureSouls@ieoc.com> wrote:

    Dear all,

    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.




    INE - The Industry Leader in CCIE Preparation

    http://www.INE.com


  • Thank you Mr Wayne.

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