COMPUTER NETWORKING

Detailed explanation-1: -A network which covers a larger geographical area, like a city or a university campus that has several sites, is known as a Wide Area Network (WAN).

Detailed explanation-2: -A Wide Area Network (WAN) is a data network that spans a large geographic area and often uses communication services provided by carriers. Large companies and government entities use wide area networks to share data among employees, clients, buyers and suppliers from a range of geographical locations.

Detailed explanation-3: -WANs are the largest and most expansive forms of computer networks available to date. These networks are often established by service providers that then lease their WAN to businesses, schools, governments or the public.