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Cookie is a method of storing information about the page returned by the server and stored locally in the browser.

Purpose of the cookie is to store the state of the client enabling the server to know about the client’s previous actions on the page downloaded…

When the user requests for a page to the server via http protocol , the server sends the http response to the client along with header information.

The header contains the information about the document being returned.

Format– Field-name :information