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In a little more detail, PC’s have a MAC address, and usually the router provides an IP address for the PC. From what I learned in my CCNA bootcamp class, your PC gets connected to the internet through something like this: PC -> switch -> router -> ISP -> Magical Awesome internet. Ok so the point of all the background information is that stuff that gets connected to the internet has to have a MAC address. Manufacturer’s registered identification number and may be referred to If assigned by the manufacturer, a MAC address usually encodes the

And MAC addresses are most often assigned by the manufacturer of a network interface controller (NIC) and are stored in its hardware. According to Wikipedia, a MAC address is a unique identifier assigned to network interfaces for communications on the physical network segment.