Subject

    Computer Science

    Topic

    Computer Hardware

    In the OSI model, at which layer does a network switch primarily operate?

    a)
    Layer 1 (Physical Layer)
    b)
    Layer 2 (Data Link Layer)
    c)
    Layer 3 (Network Layer)
    d)
    Layer 4 (Transport Layer)

    Explanation

    A standard network switch makes forwarding decisions based on the MAC (Media Access Control) addresses of the devices connected to it. MAC addresses are part of the Layer 2 frame. This allows the switch to intelligently forward traffic only to the specific port where the destination device is located.

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