computer network

  • LAN - Local Area Network

DESCRIPTION:
is a restricted network of a building or site. It’s a private network belong to manager or business


HOW IS IT WORK

the network can be use to communicate with each other using LAN.

EXAMPLES
Ethernet, building of a college, office, WiFi




  • MAN-  Metropolitan Area Network

DESCRIPTION: convert 2 or more LAN in large area of city or places, MAN is in between LAN and WAN

HOW IS IT WORK :

 to connect with some LAN through backbone

EXAMPLES:  
DST, Telbru






  • WAN-Wide Area Network


DESCRIPTION: 
develop over large area by joining LAN together


HOW IS IT WORK :
connect by using virtual private network (VPN) which provide protection and allow to transfer data over the internet

EXAMPLES:
telephone companies, satellite system




  • PAN- Personal Area Network


DESCRIPTION: 
(Bluetooth) connect device that are nearby or close to one person



HOW IS IT WORK :
 it transfer and exchange data between two device 

EXAMPLES:
 Bluetooth, wireless mouse, cordless headphone 





reference:


Igcseict.info. (2018). IGCSE ICT - Home | IGCSE ICT. [online] Available at: https://www.igcseict.info/ [Accessed 9 Apr. 2018].





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