Network Definitions
Local Area Network LAN: A group of microcomputers or terminals located in the same general area and connected by a common cable
Backbone Network BN: A large central network that connects all the terminals, microcomputers , mainframes, local area networks, and other communication equipment on a single company or university site.
Metropolitan Area Network MAN: A network Spanning a geographical area that usually encompasses a city or country area.
Wide Area Network WAN: A network spanning a large geographical area (cities, states or countries)