Free Oracle 1Z0-900 Exam Actual Questions

The questions for 1Z0-900 were last updated On Jun 13, 2025

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Question No. 1

When should a JPA entity implement the Serializable interface?

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Correct Answer: D

Question No. 2

Which is a valid description of REST?

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Correct Answer: D

Question No. 3

Given the code fragments:

What code should you add to the body of the updateEmployee method in order to save pending changes to the database?

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Correct Answer: B

Question No. 4

Which two statements are true about the relationship between JavaServer Pages (JSP) and servlets? (Choose two.)

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Correct Answer: A, D

Question No. 5

Given an HttpServletRequest request and an EJB SessionContext ctx.

Which is a valid way to retrieve the Principal invoking either behavior?

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Correct Answer: A