As we all know computer networking is essential for cybersecurity,here i am writng a small post about computer network.

Computer Network

what is a network?

In general terms we usually say if someone has lot of friends he had a big network,so here group of people called a network.Likewise group of communicated devices forms a computer network.

A computer network is a collection of communicating devices connected together.

Devices uses computer network to communicate with each other,share resources & access internet…etc.

Inorder to communicate they must have protocol,That we will see in next post.

Devices Used in Computer Network

End Devices:

Used to send and recieve traffic
Ex:computers,mobiles,servers,printers

Intermediary Devices:

Used to control the flow of traffic
ex:routers,switches…etc

How Diffrent Devices Connected Together

1. Wired
   Ex:Ethernet
   
2. Wireless
   ex:wifi
   

Types of Computer Networks

1. LAN
2. WAN