What Is HTTP,Role Of HTTP In Web And HTTP Status Code

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There are two main modes of transferring file over the World Wide Web, one is FTP (file transfer protocol) and other is HTTP (Hypertext Transfer Protocol) Which is the set of rules for transferring files (text, graphic images, sound, video, and other multimedia files) on the World Wide Web. As soon as a Web user opens their Web browser, the user is indirectly making use of HTTP. HTTP is an application protocol that runs on top of the TCP/IP suite of protocols. Whereas, FTP is used to transfer bulk files

How HTTP Works:-

We submitted URL (universal resource locator) in the URL bar and hits enter, Then our browser send HTTP requests to the web server for the web pages. Web server serves the HTTP request by convert that page in to appropriate form that our web browser can read and send the result via HTTP response. So HTTP is a medium to communicate to the web server. One more thing some server sends HTTP cookies on the web browser, in which all the personal setting and login data of user is stored.

There are various HTTP status codes to maintain the internet standards and helpful to sort out the problem. HTTP status codes are divides in to four major categories.

• 100-101 Intermediate Status
• 200-206 Successful Response
• 300-307 Redirects
• 400-417 Request Errors
• 500-505 Server Errors

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