Lecture 1: Intro to Networking

Urdu/Hindi Version

What is Networking?

A Group of devices connected together through a medium to share some information or data.

• Group is defined as two or more things.
• Devices are machines which performs specific tasks.
• Medium is path used to connect devices and share data.
• Data is information in a specific code language.

Another definition of networking:

Networking = Connectivity (Hardware) + Communication (Software)

Figure:- Three Devices Connected together using two mediums to share some data or information

What is a broadcast domain?

• Devices in same broadcast domain can communicate independently.
• Every connected device is in a same broadcast domain until separated by a broadcast breaker.
• A broadcast breaker is a special kind of hardware device.
• There are software's available which can be used as a broadcast breaker.