What Is Web Server

A. Definition and Core Functionality:

At its core, a web server is a software application or hardware device that stores, processes, and serves web content to users upon request. It acts as the intermediary between a user’s browser and the requested web pages, facilitating the seamless transmission of data.

B. Request-Response Model:

Web servers operate on a request-response model. When a user enters a URL into their browser, a request is sent to the web server hosting the corresponding website. The server then processes the request and returns the requested content, such as HTML, images, or other resources, to the user’s browser.

II. Components of a Web Server:

A. HTTP Protocol:

The Hypertext Transfer Protocol (HTTP) is the foundation of communication between web servers and clients. It defines the rules for data exchange and establishes a standardized method for requesting and delivering web content.

B. DNS (Domain Name System):

Web servers use DNS to translate user-friendly domain names into IP addresses. This translation is essential for routing user requests to the correct server hosting the requested content.

C. File System:

Web servers store website files, including HTML documents, images, stylesheets, and scripts, in a structured file system. This organization allows the server to quickly locate and retrieve the requested resources.

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