Wide area networks (WANs) connect devices across long distances from "summary" of Data Communications and Networking by Behrouz A. Forouzan
Wide area networks (WANs) are a type of network that connects devices across long distances. Unlike local area networks (LANs) which are confined to a small geographical area such as a single building or campus, WANs cover a much larger area. WANs are used to connect devices that are located far apart, such as different offices of a company in different cities or countries. WANs make it possible for users in one location to communicate with users in another location as if they were all in the same place. This is achieved through the use of various communication technologies such as telephone lines, fiber optic cables, and satellites. These technologies allow data to be transmitted over long distances quickly and efficiently, enabling users to access resources and communicate with each other no ma...
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