Which of the following is true about servlet containers (e.g., Tomcat)?

A. A Java program that runs on the server to handle client requests B. A type of coffee bean C. A Java class used for file I/O D. A Java keyword

A. `handleRequest()` B. `runServlet()` C. `execute()` D. `doGet()`

A. To define JavaBean properties B. To execute SQL queries C. To configure servlet mappings and other web application settings D. To create JavaBeans

A. To create JavaBean properties B. To encapsulate the client's request information C. To manage JavaBean events D. None of These