What is WAN | Wide Area Network Definition | Computer ...
www.comptia.org › what-is-a-wide-area-networkHow Wide Area Networks Function. A wide area network (also known as WAN), is a large network of information that is not tied to a single location. WANs can facilitate communication, the sharing of information and much more between devices from around the world through a WAN provider. WANs can be vital for international businesses, but they are also essential for everyday use, as the internet is considered the largest WAN in the world.