Servlets - Online Quiz

Q 1 - Which of the following is true about servlets?

A - Servlets execute within the address space of a Web server.

B - Servlets are platform-independent because they are written in Java.

C - The full functionality of the Java class libraries is available to a servlet.

D - All of the above.

Q 2 - What is javax.servlet.http.HttpServlet?

A - interface

B - abstract class

C - concreate class

D - None of the above.

Q 3 - Which of the following code is used to get locale in servlet?

A - request.getlocale()

B - response.getLocale()

C - new Locale()

D - None of the above.

Q 4 - Which of the following code retrieves the value of a request parameter?

A - Header.getParameter(name)

B - response.getParameter(name)

C - request.getParameter(name)

D - None of the above.

Q 5 - Which of the following code encodes the specified URL by including the session ID in it?

A - response.encodeURL(url)

B - request.encodeURL(url)

C - Header.encodeURL(url)

D - None of the above.

Q 6 - Which of the following code can be used to clear any data that exists in the buffer as well as the status code and headers?

A - request.reset()

B - response.reset()

C - response.resetBuffer()

D - None of the above.

Q 7 - When init() method of filter gets called?

A - The init() method is called by the web container to indicate to a filter that it is being placed into service.

B - The init() method is called whenever the servlet being filtered is invoked.

C - Both of the above.

D - None of the above.

Q 8 - Which of the following is true about javax.servlet.error.request_uri?

A - This attribute gives exact error message which can be stored and analysed after storing in a java.lang.String data type.

B - This attribute gives information about exception type which can be stored and analysed after storing in a java.lang.Class data type.

C - This attribute gives status code which can be stored and analysed after storing in a java.lang.Integer data type.

D - This attribute gives information about URL calling the servlet and it can be stored and analysed after storing in a java.lang.String data type.

Q 9 - Which of the following code is used to get a HTTP Session object in servlets?

A - request.getSession()

B - response.getSession();

C - new Session()

D - None of the above.

Q 10 - Which of the following code is used to delete an attribute from a HTTP Session object in servlets?

A - session.removeAttribute(name)

B - session.alterAttribute(name)

C - session.updateAttribute(name)

D - None of the above.