Power Test MCQ

What is the difference between a servlet and a JSP in JEE?

• Servlets are for handling user requests, while JSPs are for presentation logic.
• Servlets are for database access, while JSPs are for user interaction.
• Servlets are server-side code, while JSPs are client-side code.
• Servlets are for static content, while JSPs are for dynamic content.

Which of the following methods of the javax.servlet.Servlet interface is responsible for initializing the servlet?

• init(ServletConfig config)
• initialize(ServletConfig config)
• start(ServletConfig config)
• setup(ServletConfig config)

Which of the following url represents core tag library?

• http://java.sun.com/jsp/jstl/core
• http://java.sun.com/jsp/jstl/functions
• http://java.sun.com/jsp/jstl/fmt
• http://java.sun.com/jsp/jstl/sql

In the MVC architecture, what is the primary responsibility of the Model?

• Rendering data to the user interface
• Handling user inputs and events
• Storing and managing application data
• Controlling the flow of the application logic

How can you access a request parameter passed from an HTML form in a JSP page?

• By directly referencing the parameter name in the HTML code.
• Using a custom JSP tag specifically for that parameter.
• Employing the request.getParameter("parameterName") method.
• Accessing it through a session attribute created in the servlet.

Which of the following is a part of JSTL Formatting Tag Library?

• import
• forEach
• parseDate
• endsWith

What is the role of the tag in a JSP page?

• To create a new session object.
• To forward a request to another servlet.
• To create or access a Java bean object for data manipulation.
• To iterate through a collection of items.

What is the correct tag symbol of JSP declaration?

• <%@ %>
• <%= %>
• <%! %>
• <% %>

Which is the correct program to retrive root path?

• request.getContextPath();
• context.contextPath
• Both A and B
• None of the above.

What is the primary purpose of using sessions in a Java web application?

• To maintain user state across multiple requests within a single user session.
• To manage database connections for efficient data access.
• To define security constraints and user roles for authorization.
• To handle file uploads and temporary storage of uploaded data.