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What is a MAC address?
When a device is connected to a network, it needs some way to identify itself to other devices connected to the network. This can be done using a MAC address.

While people often refer to Macintosh computers as "Mac's", MAC in the world of networking stands for Media Access Control. This is a unique series of digits given to every device that is able to connect to a network. Because this code is unique to each device, it can act as a form of security for connecting to some networks.

If you have a WiFi card, look at the back of it. You see a long series of digits there. That is your device's MAC address. No other device would have that same ID.


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