Network Introduction

What is Network

A network, in computing, is a collection of 2 or more computing devices that are connected in various ways to communicate and exchange data among themselves.

A network is a group of devices or interconnected people.

: 

ISP: Your Internet Service Provider that provides you Internet for example, your internet service provider is Jio, Airtel or whatever other company you are each month.

Client/server model

Client requests any data from a server and the server returns the result based on the request of the client.

Servers

• File server
• Web server

File server: A device that stores and manages files for multiple users on network.

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Web server: A web Server is software program which serves web pages to web users.

Types of network 

• LAN
• WAN
• MAN

LAN (Local area network) A network that connects a some number of machines in a fixed geographic area.

WAN (Wide Area Network) Which is called Internet, which is formed by connecting all the WAN in the world, we call it Internet. 

A network that connects two or more local area networks over a potentially large geographical area.

MAN (Metropolitan area network) LAN to big and WAN to small, it means that this network is used to connect a city or metropolis.