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231. What is privilege
A security attribute that does not have the property
of uniqueness and that can be shared by many
principals.
232. What is processing instruction
Information contained in an XML structure that is
intended to be interpreted by a specific application.
233. What is programmatic security
Security decisions that are made by security-aware
applications. Programmatic security is useful when
declarative security alone is not sufficient to
express the security model of an application.
234. What is prolog
The part of an XML document that precedes the XML
data. The prolog includes the declaration and an
optional DTD.
235. What is public key certificate
Used in client-certificate authentication to enable
the server, and optionally the client, to authenticate
each other. The public key certificate is the digital
equivalent of a passport. It is issued by a trusted
organization, called a certificate authority, and
provides identification for the bearer.
236. What is publish/subscribe messaging system
A messaging system in which clients address messages
to a specific node in a content hierarchy, called a
topic. Publishers and subscribers are generally
anonymous and can dynamically publish or subscribe to
the content hierarchy. The system takes care of
distributing the messages arriving from a node's
multiple publishers to its multiple subscribers.
237. What is query string
A component of an HTTP request URL that contains a set
of parameters and values that affect the handling of
the request.
238. What is queue
A messaging system built on the concept of message
queues. Each message is addressed to a specific queue;
clients extract messages from the queues established
to hold their messages.
239. What is RAR
Resource Adapter Archive. A JAR archive that contains
a resource adapter module.
240. What is RDF
Resource Description Framework. A standard for
defining the kind of data that an XML file contains.
Such information can help ensure semantic
integrity-for example-by helping to make sure that a
date is treated as a date rather than simply as text.
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