Servlets - Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to Servlets Framework. 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.

Questions and Answers

Answer : C

Explaination

A GET request results from a normal request for a URL or from an HTML form that has no METHOD specified and it should be handled by doGet() method. The service() method checks the HTTP request type (GET, POST, PUT, DELETE, etc.) and calls doGet, doPost, doPut, doDelete, etc. methods as appropriate.

Q 2 - Which of the following method can be used to get the value of form parameter?

A - request.getParameter()

B - request.getParameterValues()

C - request.getParameterNames()

D - None of the above.

Answer : A

Explaination

You call request.getParameter() method to get the value of a form parameter.

Q 3 - Which of the following code retrieves the name of the authentication scheme?

A - new AuthType()

B - response.getAuthType()

C - request.getAuthType()

D - None of the above.

Answer : C

Explaination

request.getAuthType() returns the name of the authentication scheme used to protect the servlet, for example, BASIC or SSL or null if the JSP was not protected.

Q 4 - Which of the following code retrieves the context of the request?

A - new ClassContextPath()

B - request.getContextPath()

C - response.getContextPath()

D - None of the above.

Answer : B

Explaination

request.getContextPath() returns the portion of the request URI that indicates the context of the request.

Q 5 - Which of the following code indicates whether the response has been committed?

A - response.isCommitted()

B - request.isCommitted()

C - Header.isCommitted()

D - None of the above.

Answer : A

Explaination

response.isCommitted() returns a boolean indicating if the response has been committed.

Q 6 - Which of the following code can be used to add a header with the given name and integer value?

A - request.addHeader(name,value)

B - response.addIntHeader(name,value)

C - Header.addDateHeader(name,value)

D - None of the above.

Answer : B

Explaination

response.addIntHeader(name,date) adds a response header with the given name and integer value.

Q 7 - Which of the following code can be used to set the character encoding for the body of the response?

A - response.setCharacterEncoding(charset)

B - request.setCharacterEncoding(charset)

C - header.setCharacterEncoding(charset)

D - None of the above.

Answer : A

Explaination

response.setCharacterEncoding(charset) sets the character encodinge for the body of the response.

Q 8 - Which of the following request attributes that an error-handling servlet can access to analyse the nature of error/exception?

A - javax.servlet.error.status_code

B - javax.servlet.error.exception_type

C - javax.servlet.error.message

D - All of the above.

Answer : D

Explaination

All of the above request attributes can be accessed by error-handling servlet.

Answer : A

Explaination

response.addCookie(cookie) adds cookies in the HTTP response header.

Answer : A

Explaination

You can call public void setMaxInactiveInterval(int interval) method of session to set the timeout for a session individually.

servlets-questions-answers.htm
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