33. What is callback methods

Component methods called by the container to notify the component of important events in its life cycle.

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32.What is business method

A method of an enterprise bean that implements the business logic or rules of an application.

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31. What is business logic

31. What is business logic
The code that implements the functionality of an application. In the Enterprise JavaBeans architecture,
this logic is implemented by the methods of an enterprise bean.

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25. 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.

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24. 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.

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23. What is B2B

23. What is B2B
B2B stands for Business-to-business.

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22. What is authorization constraint

An authorization rule that determines who is permitted to access a Web resource collection.

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21. What is authorization?

The process by which access to a method or resource is determined. Authorization depends on the determination
of whether the principal associated with a request through authentication is in a given security role. A
security role is a logical grouping of users defined by the person who assembles the application. A
deployer maps security roles to security identities. Security identities may be principals or groups in the
operational environment.

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20. What is authentication ?

The process that verifies the identity of a user, device, or other entity in a computer system, usually
as a prerequisite to allowing access to resources in a system. The Java servlet specification requires three
types of authentication-basic, form-based, and mutual-and supports digest authentication.

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19. What is "attribute"What is "asant"

A qualifier on an XML tag that provides additional information.

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18. What is "asant"

A Java-based build tool that can be extended using Java classes. The configuration files are XML-based,
calling out a target tree where various tasks get executed.

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17. What is "archiving"

17. What is "archiving"
The process of saving the state of an object and restoring it.

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16. What is "application configuration resource file"

An XML file used to configure resources for a JavaServer Faces application, to define navigation
rules for the application, and to register converters, validators, listeners, renderers, and components with
the application.

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15. What is "application component provider"

A vendor that provides the Java classes that implement components' methods, JSP page definitions, and any
required deployment descriptors.

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14. What is "application client module"

A software unit that consists of one or more classes and an application client deployment descriptor.
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13. What is "application client container"

A container that supports application client components.

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12. What is "application client"

A first-tier J2EE client component that executes in its own Java virtual machine. Application clients have
access to some J2EE platform APIs.

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11. What is "application assembler"

A person who combines J2EE components and modules into
deployable application units.

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5. What does application client module contain?

The application client module contains:
--class files,
--an application client deployment descriptoor.
Application client modules are packaged as JAR files with a .jar extension.
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4. What are the four types of J2EE modules?

1. Application client module
2. Web module
3. Enterprise JavaBeans module
4. Resource adapter module

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3. What are the components of J2EE application?

A J2EE component is a self-contained functional software unit that is assembled into a J2EE
application with its related classes and files and communicates with other components. The J2EE
specification defines the following J2EE components: 

Application clients and applets are client components.


Java Servlet and JavaServer PagesTM (JSPTM) technology components are web components.

Enterprise JavaBeansTM (EJBTM) components (enterprise beans) are business components.

Resource adapter components provided by EIS and tool vendors.

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2. What is the J2EE module?

A J2EE module consists of one or more J2EE components for the same container type and one component
deployment descriptor of that type. 

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1. What is J2EE?

J2EE is an environment for developing and deploying enterprise applications. The J2EE platform consists of
a set of services, application programming interfaces (APIs), and protocols that provide the functionality
for developing multitiered, web-based applications.    

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