Computer Network

Ethical Hacking :- 

Computer Network :- computer network is a set of connected device connected through a links . the links connecting the nodes known as communication channel. A node could be a computer ,printer or any other device capable of sending and receiving  data. 

Component of  Network :- 

    * NIC (Network Interface card ) : The data link layer protocol use this address to identify the system.

    * SWITCHES 

    * HUB 

    * MODEM 

    * ROUTER 

    * CABLES AND CONNETORS 

Computer Network Connection Type:

A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications.

A computer network can be categorized by their size. A computer network is mainly of four types:

      Network Types

    * LAN(Local Area Network)

    * PAN(Personal Area Network)

    * MAN(Metropolitan Area Network)

    * WAN(Wide Area Network)