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    Question

    Which networking device operates at Layer 2 of the OSI

    model and forwards data based on MAC addresses?
    A Router Correct Answer Incorrect Answer
    B Switch Correct Answer Incorrect Answer
    C Hub Correct Answer Incorrect Answer
    D Firewall Correct Answer Incorrect Answer

    Solution

    A Layer 2 switch is a device that operates according to the Layer 2 data communications protocol. A Layer 2 device decides how to forward data based on the MAC address. Ethernet hubs and network switches work at the data link layer, with a switch delivering greater performance than a hub.

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