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 method can be used to get the multiple values of a parameter like checkbox data?

A - request.getParameter()

B - request.getParameterValues()

C - request.getParameterNames()

D - None of the above.

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

A - response.getCookies()

B - request.getCookies()

C - Cookies.getCookies()

D - None of the above.

Q 4 - Which of the following code retrieves any extra path information associated with the URL the client sent?

A - Header.getPathInfo()

B - response.getPathInfo()

C - request.getPathInfo()

D - None of the above.

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.

Q 6 - Which of the following code can be used to write a cookie?

A - request.addCookie(cookie)

B - response.addCookie(cookie)

C - Header.addCookie(cookie)

D - None of the above.

Q 7 - Which of the following are valid servlet filters?

A - Authentication Filters.

B - Data compression Filters.

C - Encryption Filters.

D - All of the above.

Q 8 - When destroy() method of filter gets called?

A - The destroy() method is called only once at the end of the life cycle of a filter.

B - The destroy() method is called after the filter has executed doFilter method.

C - Both of the above.

D - None of the above.

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

A - session.invalidate()

B - response.deleteSession()

C - request.deleteSession()

D - None 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.