LAN (Local Area Network) refers to a particular region that is interconnected by multiple computers into computer groups. “A region” refers to the same office, the same building, the same company and the same school, generally within a radius of several kilometres. You can provide different services like document management, application software sharing, printer sharing, scanner sharing, workgroup scheduling, e-mail and fax communications services and other VOIP and unified communication. Thus, option 4 is not true.