NetworkIt is an interconnected collection of autonomous computers.

•Local Area Network (LAN)•Metropolitan Area

Network (MAN)•Wide Area Network (WAN)

•International Network (Internet)

LAN

Local Area Network is a small network confined within a building or a small area.

MANMetropolitan Area Network is a network spread within a city or in an area of radius of 10 kms.

WANWide Area Network is a network spread across cities, countries, continents etc.

INTERNETInternational Network is a network of networks.

TOPOLOGY

It refers to the physical layout of computers within a network.

RING TOPOLOGY

Connection of computers in circular form.

STAR TOPOLOGY

Connection of computers in which all the computers are connected to a central hub.

BUS TOPOLOGY

Connection of computers in linear form.