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j2ee Q&A part 22
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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241. What is RDF schema
A standard for specifying consistency rules that apply
to the specifications contained in an RDF.
242. What is realm
See security policy domain. Also, a string, passed as
part of an HTTP request during basic authentication,
that defines a protection space. The protected
resources on a server can be partitioned into a set of
protection spaces, each with its own authentication
scheme or authorization database or both. In the J2EE
server authentication service, a realm is a complete
database of roles, users, and groups that identify
valid users of a Web application or a set of Web
applications.
243. What is reentrant entity bean
An entity bean that can handle multiple simultaneous,
interleaved, or nested invocations that will not
interfere with each other.
244. What is reference
A reference to an entity that is substituted for the
reference when the XML document is parsed. It can
reference a predefined entity such as < or reference
one that is defined in the DTD. In the XML data, the
reference could be to an entity that is defined in the
local subset of the DTD or to an external XML file (an
external entity). The DTD can also carve out a segment
of DTD specifications and give it a name so that it
can be reused (included) at multiple points in the DTD
by defining a parameter entity.
245. What is registry
An infrastructure that enables the building,
deployment, and discovery of Web services. It is a
neutral third party that facilitates dynamic and
loosely coupled business-to-business (B2B)
interactions.
246. What is registry provider
An implementation of a business registry that conforms
to a specification for XML registries (for example,
ebXML or UDDI).
247. What is relationship field
A virtual field of an entity bean having
container-managed persistence; it identifies a related
entity bean.
248. What is remote interface
One of two interfaces for an enterprise bean. The
remote interface defines the business methods callable
by a client.
249. What is remove method
Method defined in the home interface and invoked by a
client to destroy an enterprise bean.
250. What is render kit
A set of renderers that render output to a particular
client. The JavaServer Faces implementation provides a
standard HTML render kit, which is composed of
renderers that can render HMTL markup.
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