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Java EE 6 Enterprise Architect Certified Master Exam Questions and Answers

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Question 1

A company wants to design an internal website for the purpose of managing its numerous social events. The site will not have heavy traffic, but will require state to be persisted in a database. You have been tasked to complete this action item in your spare time.

Which two Java EE-based approaches are best suited for quick development?

Options:

A.

Use JPAin the web tier only.

B.

Use message-driven beans to manage the posting of events.

C.

Useyourdomain modelcomponents as JavaServer Faces (JSF) managed beans.

D.

Use an Enterprise javaBeans (EJB) container to service-inject the domain model and support a JPA deployment.

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Question 2

Which three web applications work best when they are designed to be server-push enabled?

Options:

A.

B. A web chat that allows users to communicate using easily accessible web interfaces

B.

A live sporting event application, used to deliver current results during matches

C.

D. An auction system that provides users with live online bidding

D.

A graphics rendering application that generates visuals in an orderly fashion

Question 3

Which three actions restrict the ability of a web application to scale in response to load

as additional computing resources are made available to it?

Options:

A.

B.Implementing corebusinesslogic in the web tier

B.

Implementing core business logic using stateless session beans

C.

Storing users' session state in a database

D.

E.Maintaining users' session state by usingstatefulsession beans

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