What do you mean by timer service and where it is used?
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What Is EJB Clustering? Explain the Functionality?
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What is bean in ejb?
What is ejb and its types?
What does @singleton annotation do?
How does the server decide which beans to passivate and activate?
What is activemq used for?
How to import ejb project in eclipse?
What are ejb containers?
What do you mean by ejbdoclet?
What’s new in the ejb 2.0 specification?
Which is more beneficial: CMP or BMP?
Explain transaction and various methods to manage it?