C. Convert all stateful EJB components to stateless EJB components.
D. Expose the existing EJB components as web services.
Answer(s): B
QUESTION: 5
Your consulting company has been asked to enhance an existing application. The current
application is a two-tier system in which all the business logic is located in thick clients. You are
considering a solution that would involve moving the business logic into the server's database In
the form of stored procedures.
Which statement is an expected outcome of your proposed solution?

A. It will improve the scalability of the system.
B. It will improve the manageability of the system.
C. It wil recline the amount of traffic on the network.
D. It wil , in effect, turn the application into a three-tier system.
Answer(s): B

QUESTION: 6
A company manufactures widgets for sale to distribution. Distributors call this company when
they want to order more widgets. The company wants the distributors to send orders using XML
documents over the Internet to reduce the number of data entry personnel needed. It has no
control over the distributors technologies. The company does not want the Orders to impact the
performance of other users. You have been assigned the task of designing a new API.
Which method do you use?

A. Design the API as a Java Message Service (JMS) queue.
B. Design the API as an Remote Method Invocation (RMI) interface.
C. Design the API as a synchronous web service.
D. Design the API as an asynchronous web service.
Answer(s): D
QUESTION: 7
You have been recruited by an online retailer of footwear to conduct a review of their online
systems. Your primary Finding is that the development team has implemented duplicated
complex business logic as Java scripts directly into the JSPs, causing performance, scalability,
and maintainability issues.
Which two design patterns would you select to improve the current code base?

A. View Helper
B. From Controller
C. Composite View
D. Service-to-Worker
E. Business Delegate
Answer(s): B, D

3

Free Oracle 1z0-807 Exam Braindumps (page: 2)

Pass your Java EE 6 Enterprise Architect Certified Master Exam exam with these free Actual Questions and Answers

1z0-807 Exam Discussions & Posts