For what applications is HTTP protocol used?

The correct answer is Used to deliver data on the World Wide Web.

Key Points

• The HTTP protocol is used to deliver data on the World Wide Web 
  • It stands for Hypertext Transfer Protocol.
  • It is an application layer protocol designed within the framework of the Internet Protocol Suite.
  • It is the base of data communication on the World Wide Web.
  • It provides a standard for web browsers that facilitates users to exchange information over the internet. 
  • A typical flow over HTTP involves a client machine requesting a server, which then sends a response message.
  • An HTTP request is a way internet communications platforms such as web browsers ask for the information they need to load a website.
  • Each HTTP request made across the Internet carries with it a series of encoded data that carries different types of information.

Additional Information

• Hypertext Transfer Protocol Secure (HTTPS)
  • It is the protocol where encrypted HTTP data is transferred over a secure connection.
  • It ensures data security over the network - mainly public networks like Wi-Fi. 
  • HTTPS encryption is done bi-directionally, which means that the data is encrypted at both the client and server sides.