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Java EE 6 Enterprise Architect Certified Master Exam Questions and Answers

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Question 1

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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Question 2

A manufacturing company has a large investment in a legacy Inventory Management System (IMS) developed with third-party technologies. You have been asked to design a Java EE application that interacts with it.

You would like to ensure the following:

  • Minimalapplicationcodeisrequired to parsethe communicationmessages.
  • Communication isasynchronousandstateless.
  • Performance import of the existing system is minimal.

Which two technologies combined would meet these requirements?

Options:

A.

XML

B.

JSON

C.

RMI

D.

JAX-RS

E.

JAX-WS

Question 3

Which three statements are true about inheritance?

Options:

A.

B. It should be possible to substitute the derived class for its base class.

B.

C. Inheritance allows you to modify the behavior of objects.

C.

Inheritance promotes encapsulation better than interfaces.

D.

The derived class must override all methods of the base class.

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