Networking

Networking: A computer network is a group of computer connected by using various media,providing resources,printers,scanners,hard disk,floppy disk etc.

# To share software : a) Application
                                b) Data base

Network Classification: 1.Distance.
                                    2. Geometrical
                                    3. Architecture.
                                    4. Protocol

Distance: a) LAN

    b)WAN

                c) MAN

a) LAN(Local Area Network): It’s limited area are 1000 meters.

           Uses: NIC Or Lan Card, Modem,Cable,Radio Link etc.

In Radio Link every card contains Antenna.

b) WAN (Wide Area Network): It contains a group of LAN and MAN .It is connected with some metropolitan and wide areas Pc’s.

Such as :WWW(World Wide Web),Internet.

We enter Internet by the media of Dial up and Broad band.

Rang:1000 km

Media: Microwave.

Communication: 1)Satellite Microwave 2) VSAT 3)Frequency Control Tower.

To Be Continuing...........