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What is the Internet? Difference Between Intranet and Extranet - (BCA / B.Tech)

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In this article, we will provide detailed information about the Internet, Intranet, and Extranet.

What is the Internet?

The Internet is a global network in which millions of computers, servers, and other devices are connected. Its main purpose is to share information and make communication easy around the world. Through the Internet, people can get information, send files, and avail various types of services.

The Internet was invented by Vint Cerf and Bob Kahn on January 1, 1983.

Benefits of the Internet

Exchanging information
Online shopping
Online education
Entertainment
Data transfer
Social networking
Online banking
Job searching.

Drawbacks of the Internet

Risk of addiction
Cybercrime
Impact on health
Risk of data theft
Access to inappropriate content.

Difference Between Internet, Intranet, and Extranet

Feature	Internet	Intranet	Extranet
Definition	The Internet is a public network that is spread all over the world and is accessible to anyone.	An intranet is a private network that is used only within an organization and is not accessible to outsiders.	An extranet is partially accessible to people outside the organization, such as partners, vendors, etc.
Users	Any person who uses an internet connection.	Only people working within the organization.	Employees of the organization, partners, and authorized external users.
Security	The level of security is low and encryption is necessary for data protection.	The level of security is high because it is a closed network.	Security is high but limited external access is allowed.
Purpose of use	To share information and facilitate communication around the world.	To exchange information within the organization.	To share data and information with collaborators outside the organization.
Example	World Wide Web (WWW).	Corporate network.	Vendor portal, customer portal.

Types of Internet

The main types of Internet include Dial-Up, Broadband, Wi-Fi, Satellite, ISDN, and Leased Line Internet.

What is the Internet? Difference Between Intranet and Extranet

What is the Internet?

Benefits of the Internet

Drawbacks of the Internet

Difference Between Internet, Intranet, and Extranet

Types of Internet

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