J2EE Interview questions and answers

14. What is backing bean

A JavaBeans component that corresponds to a JSP page
that includes JavaServer Faces components. The backing
bean defines properties for the components on the page
and methods that perform processing for the component.
This processing includes event handling, validation,
and processing associated with navigation.

15. What is basic authentication

An authentication mechanism in which a Web server
authenticates an entity via a user name and password
obtained using the Web application's built-in
authentication mechanism.



16. What is bean-managed persistence

The mechanism whereby data transfer between an entity
bean's variables and a resource manager is managed by
the entity bean.

17. What is bean-managed transaction

A transaction whose boundaries are defined by an
enterprise bean.



18. What is binding (XML)

Generating the code needed to process a well-defined
portion of XML data.

19. What is binding (JavaServer Faces technology)

Wiring UI components to back-end data sources such as
backing bean properties.

20. What is build file

The XML file that contains one or more asant targets.
A target is a set of tasks you want to be executed.
When starting asant, you can select which targets you
want to have executed. When no target is given, the
project's default target is executed.