Which server type typically processes business logic and provides application interfaces to clients?

• A. Application Server
• B. Web Server
• C. Database Server
• D. Mail Server

Answer: (A)

An application server is designed to run the business logic, coordinate workflows, and expose interfaces that clients use to perform operations. It hosts the core applications, processes requests, applies rules, and talks to databases or other services as needed, then returns results through APIs or services that clients call. A web server primarily delivers web content and may run lightweight server-side scripts, but it doesn’t handle the full business logic. A database server stores and retrieves data and enforces data integrity, not the application’s processing rules. A mail server handles email transmission and routing, not application functionality.