Oracle 1z0-864 questions and answers

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 : 2013-3-28
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Oracle Java Enterprise Edition 5 Enterprise Architect Certified Master Exam (Step 1 of 3) 1Z0-864 free dumps  
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
Answer: A,C

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
Answer: B,C

19.A teenage fashion web site, includes a set of pages for displaying and browsing their catalog, as well
as pages for making fashion suggestions that also display tables of catalog entries.
Currently, the JSP code uses scriptlets that perform database SELECT statements and format the results
in HTML tables. You have been hired to help reduce the maintenance overhead when either the look is
modified or the database schema changes. Which two patterns, used together, do you apply to reduce
this maintenance overhead? (Choose two.)
A. View Helper
B. Front Controller
C. Composite View
D. Data Access Object
Answer: A,D

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Oracle Java Enterprise Edition 5 Enterprise Architect Certified Master Exam (Step 1 of 3) 1Z0-864 Exam Topics
Section 2: Common Architectures
Explain the advantages and disadvantages of two-tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security.
Explain the advantages and disadvantages of three-tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security
Explain the advantages and disadvantages of multi-tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security.
Explain the benefits and drawbacks of rich clients and browser-based clients as deployed in a typical Java EE application.
Explain appropriate and inappropriate uses for web services in the Java EE platform

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