What Is Media Access Control?
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Media Access Control (MAC) is a protocol used by networked devices to identify and control access to a physical network. It is the communication protocol that provides an address to each device connected to the network, enabling data to be sent through the network reliably and efficiently. The MAC address is usually a unique identifier assigned to each device that connects to a network, usually by a manufacturer. The MAC address allows the network to differentiate individual devices on the network.