Free Oracle 1Z0-900 Exam Actual Questions

The questions for 1Z0-900 were last updated On May 4, 2025

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Question No. 1

Which of these can be a JPA entity?

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Correct Answer: A

Question No. 2

Give the code fragment:

And the code fragment:

The sendConfirmation() and reserve() methods should be executed in the same transactional context.

Which transaction attributes do you ensure this?

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Correct Answer: D

Question No. 3

A Java EE application that uses an EJB container must communicate with a legacy system developed using non-Java technologies.

Which two Java EE technologies can be used in the integration tier of the application? (Choose two.)

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Correct Answer: A, B

Question No. 4

Which interface should you implement if you want to be alerted to the lifecycle events surrounding your task being executed by a ManagedExecutorService?

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Correct Answer: D

Question No. 5

Given:

What will be the response to a HEAD request?

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Correct Answer: C