Types of Network | Computer Notes

Types of Network

LAN:

•  It stands for Local Area Network.
•  LAN normally operates within a compact area such as an Office Building or a Campus.
•  LAN is capable of interconnecting a large number of computers and other devices within 1 Km.
•  Speed of Data Transmission is 10/100 mbps.
•  Cost is low.
•  Success Rate of Data Transmission is almost 100%.
• Examples: Computer Labs of Institutions, Computer Network in an Office, etc.

WAN:

•  It stands for Wide Area Network.
•  WAN interconnects different Sites, User Terminals, and enable LANs to Communicate with each other.
•  Used to Communicate to Nationwide or Worldwide.
•  Transmission medium used are Telephone Lines, microwave and Satellite links.
•  Speed of Data Transmission is 1800 to 9600 bits per second.
•  High Cost as Compare to LANs.
•  Success Rate of Data Transmission is less than LAN.
• Examples: Internet, Network of all Branches of a Bank.

CLIENT/SERVER NETWORK or DEDICATED SERVER NETWORK:

•  Used both in LANs and WANs.
•  Clients (nodes) are attached to a Server via some medium (Cable, Telephone Lines, Satellite Link, Microwave, etc.)
•  Usually Used for Database Server.
•  Common features are Receiving Data Storing Data ,Sending E-mail Printer Sharing Security

PEER-TO-PEER NETWORK:

•  Usually used in LANs.
•  Sometimes Called a Workgroup.
•  No Central Computer (Server).
•  All Computers having equal Functionality.
•  A Single computer will be Server when it will serve to other computer and a Client when it will request for some data to other computer.