Introduction of Network

Basically, the Network is a collection of stand-alone computer (standalone computer) but interact with other computers in order to achieve certain goals.

Purpose of the computer network is to share resources between computers (sharing resources)
classification of computer network is divided into three:

1. LAN(Local Area Network) : LAN is a collection of computers that interact with each other to share resources in one area / one building
2. MAN (Metropolitan Area Network) : a set of computers that interact with each other to share resources across the area (building) in one city
3. WAN (Wide Area Network) :computers interact with each other in a great distance, ex: between countries (internet)