Originally posted by Praveen Allam:
What version of EJB SCEA5 covers? is it EJB3.0 ?
-APK.
Go here:
http://www.sun.com/training/catalog/courses/CX-310-052.xml and read Section 4. Here it is again for easier reading. Notice the second point mentions JPA (only available since EJB3 was released), but if that doesn't completely convince you, see that the last point explicitly mentions EJB3.
Good luck!
-jeff
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Section 4: Business Tier Technologies
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Explain and contrast uses for entity beans, entity classes, stateful and stateless session beans, and message-driven beans, and understand the advantages and disadvantages of each type.
Explain and contrast the following persistence strategies: container-managed persistence (CMP) BMP, JDO, JPA, ORM and using DAOs (Data Access Objects) and direct
JDBC technology-based persistence under the following headings: ease of development, performance, scalability, extensibility, and security.
Explain how
Java EE supports the deployment of server-side components implemented as web services and the advantages and disadvantages of adopting such an approach.
Explain the benefits of the EJB 3 development model over previous EJB generations for ease of development including how the EJB container simplifies EJB development.
