JSP Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to JSP Fundamentals. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - What is the correct signature of _jspService() method of HttpJspPage class?

A - void _jspService(HTTPRequest request, HTTPResponse response)

B - void _jspService(HTTPRequest request, HTTPResponse response) throws ServletException, IOException

C - void _jspService()

D - void _jspService() throws ServletException, IOException

Answer : B

Explaination

Correct Signature is

void _jspService(HTTPRequest request, HTTPResponse response) throws ServletException, IOException

Q 2 - Which of the following is a server side technology?

Answer : B

Explaination

jsp is a server side technology.

Q 3 - All jsp pages are required to be mapped and configured in web.xml.

A - True

B - False

Answer : B

Explaination

No, Jsp pages are not required to be mapped/configured in web.xml

Q 4 - Which of the following is true about session scope?

A - Object created with request scope are accessible only from the page in which they are created.

B - Object created with request scope are accessible only from the pages which are in same session.

C - Object created with request scope are accessible only from the pages which are processing the same request.

D - Object created with request scope are accessible only from the pages which reside in same application.

Answer : B

Explaination

Object created with request scope are accessible only from the pages which are in same session. Object data is available till session is alive.

Q 5 - Which of the following method can be used to read binary data stream coming from the client?

A - request.getInputStream()

B - response.getInputStream()

C - request.getInputStreamData()

D - response.getInputStreamData()

Answer : A

Explaination

You call request.getInputStream() method to read binary data stream coming from the client for example, image file uploaded.

Q 6 - What happens when buffer is set to a value "none"?

A - Servlet output is immediately directed to the response output object.

B - Compilation error.

Answer : A

Explaination

When buffer is set to "none", servlet output is immediately directed to the response output object.

Q 7 - Which of the following is true about isThreadSafe Attribute?

A - The isThreadSafe option marks a page as being thread-safe.

B - If you set the isThreadSafe option to false, the JSP engine makes sure that only one thread at a time is executing your JSP.

C - By default, all JSPs are considered thread-safe.

D - All of the above.

Answer : D

Explaination

The isThreadSafe option marks a page as being thread-safe. By default, all JSPs are considered thread-safe. If you set the isThreadSafe option to false, the JSP engine makes sure that only one thread at a time is executing your JSP.

Q 8 - Which of the following is true about <jsp:forward> action?

A - The forward action terminates the action of the current page.

B - The forward action forwards the request to another resource such as a static page, another JSP page, or a Java Servlet.

C - Both of the above.

D - None of the above.

Answer : C

Explaination

The forward action terminates the action of the current page and forwards the request to another resource such as a static page, another JSP page, or a Java Servlet.

Q 9 - What is Internationalization?

A - Internationalization means creating international content on a website.

B - Internationalization means enabling a web site to provide different versions of content translated into the visitor's language or nationality.

C - Internationalization refers to creating local content on a website.

D - None of the above.

Answer : B

Explaination

Internationalization means enabling a web site to provide different versions of content translated into the visitor's language or nationality.

Q 10 - What is the use of <c:set > tag?

A - It can save values to database.

B - It evaluates an expression and uses the results to set a value of a JavaBean.

C - It can be used to iterate list of elements.

D - None of the above.

Answer : B

Explaination

The <c:set > tag is JSTL-friendly version of the setProperty action. The tag is helpful because it evaluates an expression and uses the results to set a value of a JavaBean or a java.util.Map object.

jsp_questions_answers.htm