LAN MAN WAN:-

1. LAN :

§ A local area network (LAN) is usually privately owned and links the devices in a single office, building, or campus.

§ Currently, LAN size is limited to a few kilometers.

2. MAN :

§ A metropolitan area network (MAN) is a network with a size between a LAN and a WAN.

§ It normally covers the area inside a town or a city.

§ E.g telephone company network that can provide a high-speed DSL line to the customer, the cable TV network that originally was designed for cable TV.

3. WAN :

§ A wide area network (WAN) provides long-distance transmission of data, image, audio, and video information over large geographic areas that may comprise a country, a continent, or even the whole world.