Deck 30: Ajax-Enabled Jsf Web Applications

Question 1

The f:ajax element's ________ attribute specifies a space-separated list of element ids-the values of these elements are submitted as part of the Ajax request.

A)execute.
B)render.
C)send.
D)display.

Answer 1

A

Question 2

The ________ annotation allows you to inject a DataSource into a managed bean.

A)@Resource.
B)@DataSource.
C)@Database.
D)None of the above.

Answer 2

A

Question 3

The ________ enables the asynchronous exchanges with the web server that make Ajax applications so responsive.

A)HttpRequestObject.
B)XMLHttpRequest.
C)XMLHttpRequestObject.
D)None of the above.

Answer 3

C

Question 4

Ajax separates the user interaction portion of an application from its server interaction,enabling both to proceed ________.

A)synchronously.
B)asynchronously in parallel.
C)without any interaction whatsoever.
D)None of the above.

Question 5

Which of the following is true?

A)You should maintain a separate database connection for each client request.
B)You should maintain a connection pool that allows the server to manage a limited number of database connections and share them among requests.
C)You should never connect to databases from web apps.
D)None of the above.

Question 6

The f:ajax element's ________ attribute specifies a space-separated list of element ids for the elements that should be updated via partial page updates.

A)execute.
B)render.
C)send.
D)display.

Question 7

The ________ element displays a collection's data in tabular format.

A)h:table.
B)h:collection.
C)h:dataTable.
D)None of the above.