What is Network?

NETWORK 

Network is a group of tow or more connected devices.

There are basically three types of Network :

1.) Local area Network (LAN)
2.) Wide area Network(WAN)
3.) Metropolitan area Network ( MAN)

Now what are this types  :

1.) Local area Network (LAN) :

Local area network or LAN is collection of connected computers in limited area such as buildings ,Schools ,offices etc.

It is very useful in corporate,schools for creating their own network.

in this type of network the computers are connected with each other through cable and controlled by router or HUB. router and HUB are connected to server. 

 

LAN s are typically used for single sites where people need to share resources among themselves but not with the rest of the outside world.

Hub is a network  hardware device for connecting multiple lan cable devices together and its work as a single network.

2.) Wide area network (WAN) :

 A Wide area network is a computer Network that can be establish in large geographical area with less cable and circuits.

This type of network is use for connecting different states or country's and work as single network.

World Wide WEB (WWW) is a one type of WAN network. everyone is aware form WWW .

This network type is also useful for University,Business,Bank etc. to create large network for cover their all branches form different states and country.