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j2ee Q&A part 2
Posted Date: 20 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: ramya Member Level: Gold
Rating:  Points: 5
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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.
22. What is authorization constraint
An authorization rule that determines who is permitted
to access a Web resource collection.
23. What is B2B
B2B stands for Business-to-business.
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.
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.
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.
32.What is business method
A method of an enterprise bean that implements the
business logic or rules of an application.
33. What is callback methods
Component methods called by the container to notify
the component of important events in its life cycle.
34. What is caller
Same as caller principal.
35. What is caller principal
The principal that identifies the invoker of the
enterprise bean method.
36. What is cascade delete
A deletion that triggers another deletion. A cascade
delete can be specified for an entity bean that has
container-managed persistence.
37. What is CDATA
A predefined XML tag for character data that means
"don't interpret these characters," as opposed to
parsed character data (PCDATA), in which the normal
rules of XML syntax apply. CDATA sections are
typically used to show examples of XML syntax.
38. What is certificate authority
A trusted organization that issues public key
certificates and provides identification to the
bearer.
39. What is client-certificate authentication
An authentication mechanism that uses HTTP over SSL,
in which the server and, optionally, the client
authenticate each other with a public key certificate
that conforms to a standard that is defined by X.509
Public Key Infrastructure.
40. What is comment
In an XML document, text that is ignored unless the
parser is specifically told to recognize it.
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