1z0-599 Exam Dumps : Oracle WebLogic Server 12c Essentials

JMS queue    A staging area that contains messages that have been sent and are waiting to be read. Note that, contrary to what the name queue suggests, messages have to be delivered in the order sent A JMS queue only guarantees that each message is processed only once.

* A WAR file deployed to WebLogic Server always includes the following files:

One servlet or Java Server Page (JSP), along with any helper classes.

An optional web.xml deployment descriptor, which is a Java EE standard XML document that describes the contents of a WAR file.

A weblogic.xml deployment descriptor, which is an XML document containing WebLogic Server-specific elements for Web applications.

A WAR file can also include HTML or XML pages and supporting files such as image and multimedia files.

The major components of the WebLogic JMS Server architecture, as illustrated in the figure below.

*(A) JMS servers that can host a defined set of modules and any associated persistent storage that reside on a WebLogic Server instance.

*(B) JMS modules contains configuration resources (such as queues, topics, and connections factories) and are defined by XML documents that conform to the weblogic-jmsmd.xsd schema.

*Client JMS applications that either produce messages to destinations or consume messages from destinations.

*(E) WebLogic persistent storage (file store or JDBC-accessible) for storing persistent message data.

The following figure illustrates the WebLogic JMS architecture.