Question

Explain about Internet, Intranet and Extranet.

Answer 1

• Internet:

1. The Internet, “the Net,” is a worldwide system of computer networks
2. It is the network of networks where the users at any one computer can if they have permission, get information from any other computer.
3. The Internet is a network of global connections.
4. It comprises private, public, business, academic, and government networks
5. It linked by guided, wireless, and fiber-optic technologies.
6. The Internet denotes the global communication system, including infrastructure and hardware whereas the web is one of the services interconnected over the Internet.

• Intranet:

1. It is a private network within an enterprise to share company data and computing resources between the employees.
2. It may consist of many interlinked local area networks.
3. It includes connections through one or more gateway (connects two networks using different protocols together known as protocol convertor) computers to the outside Internet.
   
   Intranet

• Extranet:
  It is a private network that uses Internet technology and the public telecommunication system to securely share business information with suppliers, vendors, partners, customers, or other businesses.
  
  Extranet