Free Oracle 1Z0-900 Exam Questions

Become Oracle Certified with updated 1Z0-900 exam questions and correct answers

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Total 142 Questions | Updated On: Mar 11, 2026

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Question 1

You are working with JMS publish-subscribe operations.

What happens when a producer publishes a message to a topic for which a durable subscription exists but there

are no subscribers available?

A : The publisher waits for a subscriber, who then consumes it. However, the publisher will time out if noconsumer arrives within the given timeout period.

B : The publisher sends the message. However, it is never consumed because there wasn’t anythinglistening when it arrived, regardless of the message timeout length.

C : The publisher successfully sends a message, which will be consumed later, once there is a subscriber,assuming the message hasn’t timed out.

D : The message publisher is immediately notified about the lack of subscribers and can decide for itself if,and when, to resend.

Answer: C

Question 2

In the Back-to-Back (B2B) Order to Cash flow, ordered items are purchased from a supplier. The Sourcing

Rules have been defined for the item and the buy flow has been initiated. The sales order line is shown as

Awaiting Shipping and the supply line status is in “Purchasing” with the supply order generated but the

purchase requisition not generating.

What is the reason?

A : The sourcing rule is incorrect.

B : Supply order is generated with exceptions.

C : Prepare is not valid.

D : No Blanket Purchase Agreement (BPA) exists for this supplier-item combination.

E : Buy requests originate from Order Management.

Answer: A

Question 3

Given the code fragment:

How can you apply DateConverter to the birthday field?

A : by adding @Convert(to=Date.class) at line 3

B : by invoking the setConverter(DateConverter.class) method on the EntityManager object

C : by adding @Converter(autoApply=true) at line 1

D : by adding @Convert((DateConverter.class)) at line 2

Answer: A

Question 4

Which type allows you to share servlet attributes across your entire web application?

A : ServletContext

B : HttpSession

C : ServletRequest

D : ServletConfig

Answer: A

Question 5

Given the code sample:

And:

And:

And the next fragment from beans.xml:

And this injection point:

@Inject GenericMessenger messageHandler;

Which type would be injected at run time and referenced by the messageHandler variable?

A : SmsHandler

B : MsgHandler

C : None of the above. An exception would be thrown due to ambiguous bean references.

D : GenericMessenger

Answer: D

Page: 1 / 29

Total 142 Questions | Updated On: Mar 11, 2026

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