mac address is composed of what two parts
A media access control address (MAC address), also called physical address, is a unique identifier assigned to network interfaces for communications on the physical network segment.MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and WiFi.Logically, MAC addresses are used in the media access control protocol sublayer of the OSI reference model.AC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and WiFi. Logically, MAC addresses are used in the media access control protocol sublayer of the OSI reference model.