Servlets - Online Quiz

Q 1 - Which of the following is true about service() method of servlet?

A - The servlet container (i.e. web server) calls the service() method to handle requests coming from the client.

B - Each time the server receives a request for a servlet, the server spawns a new thread and calls service.

C - The service() method checks the HTTP request type (GET, POST, PUT, DELETE, etc.) and calls doGet, doPost, doPut, doDelete, etc. methods as appropriate.

D - All of the above.

Q 2 - Which of the following code is used to set content type of a page to be serviced using servlet?

A - response.setContentType()

B - request.setContentType()

C - writer.setContentType()

D - None of the above.

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

A - response.getWriter()

B - request.getWriter()

C - new PrintWriter()

D - None of the above.

Q 4 - Which of the following code retrieves name and version of the protocol?

A - Header.getProtocol()

B - response.getProtocol()

C - request.getProtocol()

D - None of the above.

Q 5 - Which of the following code returns the port number on which this request was received?

A - response.getServerPort()

B - request.getServerPort()

C - Header.getServerPort()

D - None of the above.

Q 6 - Which of the following code can be used to force any content in the buffer to be written to the client?

A - request.flushBuffer()

B - response.flush()

C - response.flushBuffer()

D - None of the above.

Q 7 - Which of the following code can be used to set the locale of the response?

A - request.setLocale(locale)

B - response.setLocale(locale)

C - header.setLocale(locale)

D - None of the above.

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

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 way can be used to keep track of previous client request?

A - Using cookies.

B - Using hidden form fields.

C - Using URL rewriting.

D - All of the above.

Q 10 - Which of the following code is used to get three-letter abbreviation for this locale's country in servlets?

A - request.getISO3Country()

B - Locale.getISO3Country()

C - response.getISO3Country()

D - None of the above.