Types of Network | Computer Notes



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.

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