Oracle Java Enterprise Edition 5 Enterprise Architect Certified Master Exam (Step 1 of 3) 1Z0-864
Exam Number/Code : 1Z0-864
Exam Name : Java Enterprise Edition 5 Enterprise Architect Certified Master Exam (Step 1 of 3)
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Questions and Answers : 238Q&As
Update Time : 2012-12-16
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17.What are two benefits of using the Value List Handler pattern? (Choose two.)
A. Improves network performance
B. Facilitates exposing existing services
C. Provides an alternative to potentially inefficient EJB finders
D. Facilitates post-processing across heterogeneous requests
E. Provides a mechanism to support shared elements of composite views
18.What are two capabilities of the Abstract Factory pattern? (Choose two.)
A. Creates whole-part hierarchies
B. Creates families of related objects
C. Enforces dependencies between concrete classes
D. Specifies the types of objects to create using a sample instance
E. Separates the construction of a complex object from its representation
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Java Enterprise Edition 5 Enterprise Architect Certified Master Exam (Step 1 of 3) 1Z0-864 book Exam Topics
Section 3: Integration and Messaging
Explain possible approaches for communicating with an external system from a Java EE technology-based system given an outline description of those systems and outline the benefits and drawbacks of each approach.
Explain typical uses of web services and XML over HTTP as mechanisms to integrate distinct software components.
Explain how JCA and JMS are used to integrate distinct software components as part of an overall Java EE application.
Section 4: Business Tier Technologies
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.
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