Question

Explain the HTTP request-response cycle. Describe how request parameters, headers and cookies are exchanged between a client and a web server. 

30 Jul 2026
Answer :
Word Count : 654
The HTTP request-response cycle is the fundamental communication process that enables interaction between a web client, such as a browser, and a web server. HTTP (Hypertext Transfer Protocol) is a stateless application-layer protocol that allows clients to request resources and servers to deliver them. Every interaction on the web, including loading web pages, submitting forms, downloading files, or accessing APIs, follows this request-response mechanism. The cycle begins when a user enters a URL into a browser or clicks on a hyperlink. The browser first resolves the domain name into an IP address using the Domain Name System (DNS). It then establishes a connection with the web server, typically using TCP. If HTTPS is used, a TLS/SSL handshake is performed to establish a secure encrypted connection before HTTP communication begins. Once the connection is established, the browser sends
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