What is the primary role of a web server in web applications?

Question

Options

• ATo provide backend logic for user requests
• BTo store and deliver content such as HTML, CSS, and JavaScript files
• CTo manage client-side user sessions
• DTo encrypt data transmitted over the network

• A
  4% (1)
• B
  74% (20)
• C
  7% (2)
• D
  15% (4)

Explanation

A web server's primary job is to store and serve static content - HTML, CSS, JavaScript files, and images - to clients that request them over HTTP/HTTPS. Option A describes an application server (e.g., Node.js, Django), which handles business logic; web servers like Nginx or Apache can forward dynamic requests to these but don't process them directly. Option C is incorrect because session management is handled by application logic or dedicated session stores (like Redis), not the web server itself. Option D describes a function of TLS/SSL protocols and certificate authorities, not the web server's core role (though a web server can terminate TLS, that's a secondary capability, not its primary purpose).

Memory tip: Think of a web server as a file librarian - it receives a request for a specific resource and hands it back. When the request needs thinking (logic, database calls), the librarian passes it to a specialist (app server).

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