Know the physical address of your computer’s network card, and the speed of your network

A NIC physical address is a unique identifier for a NIC that consists of 6 bytes, each represented by a hexadecimal, usually separated by colons, such as 00:0a:95:9d:68:16. A physical NIC address, also known as a MAC address, is a unique identifier assigned to each NIC by the NIC manufacturer. MAC addresses play an important role in network communication, identifying network devices and ensuring that data is properly transmitted to its destination.


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