Answer Posted / eng.hosni dami
The Media access control is a layer two protocol (Data link layer), it is part of two protocols which can deal with the switches and bridges.it is a 32 bit divided into 2 parts 48 bits for example 00:11:22:DD:EE:FF, each hexadecimal of these group is a 4 bits in length.its assumes as a physical address because it's indicate a physical device whiche is called a NIC (Network interface card).and the MAC address is unique around the world..and it is impossible to share the same MAC address between 2 NIC cards
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