Struts2 Online Quiz

Q 1 - Which of the following is correct definition of model in MVC architecture?

A - The lowest level of the pattern which is responsible for maintaining data.

B - This is responsible for displaying all or a portion of the data to the user.

C - Software Code that controls the interactions between the Model and View.

D - None of the above.

Q 2 - Which of the following can be achieved using interceptors?

A - Providing preprocessing logic before the action is called.

B - Providing postprocessing logic after the action is called.

C - Catching exceptions so that alternate processing can be performed.

D - All of the above.

Q 3 - Which of the following is correct about Temporary Objects?

A - There are various temporary objects which are created during execution of a page.

B - The current model object is placed before the action on the value stack.

C - These objects include #application, #session, #request, #attr and #parameters and refer to the corresponding servlet scopes.

D - None of the above.

Q 4 - Which of the following is correct about Struts 2 validation framework?

A - At Struts's core, we have the validation framework that assists the application to run the rules to perform validation before the action method is executed.

B - Action class should extend the ActionSupport class, in order to get the validate method executed.

C - Both of the above.

D - None of the above.

Q 5 - Which of the following theme provides all the basics that the simple theme provides and adds several features like standard two-column CSS-based layout?

A - simple theme

B - xhtml theme

C - css_xhtml theme

D - complex theme.

Q 6 - What is the purpose of @Before annotation?

A - This annotation marks a action method that needs to be called before the main action method and the result was executed.

B - This annotation marks a action method that needs to be executed before the result.

C - This annotation checks if there are any conversion errors for a field and applies them if they exist.

D - This annotation checks that a date field has a value within a specified range.

Q 7 - What is the purpose of @RequiredFieldValidator annotation?

A - This annotation validates a string field using a regular expression.

B - This annotation checks that a field is non-null.

C - This annotation validates a supplied regular expression.

D - This annotation checks that a numeric field has a value within a specified range.

Q 8 - Which of the following tag takes two or more lists as parameters and append them all together?

A - if and else tags.

B - iterator tags

C - merge tag

D - append tag

Q 9 - Which of the following tag can be used to parameterize other tags?

A - date tag

B - param tag

C - property tag

D - push tag

Q 10 - The web.xml configuration file is a J2EE configuration file that determines how elements of the HTTP request are processed by the servlet container.

A - false

B - true