What is a LAN?

  • A LAN is a Local Area Network.
  • It is a computer network that spans a relatively small area. Most LANs are confined to a single building or group of buildings.

Diagram of a LAN

What is a WAN?

  • A WAN is a Wide Area Network.
  • A WAN spans a large geographic area, such as a state, province or country. WANs often connect multiple smaller networks, such as local area networks (LANs) or metro area networks (MANs).

Diagram of a WAN

What is a MAN?

  • A MAN is a metropolitan area network .
  • A network intermediate between a local area network (LAN) and a wide area network (WAN).

Diagram of a MAN