Oracle Exam 1Z0-900 Topic 9 Question 77 Discussion

Actual exam question for Oracle's 1Z0-900 exam

Question #: 77
Topic #: 9

[All 1Z0-900 Questions]

When should a JPA entity implement the Serializable interface?

Awhen JPA entities are used in the EJB Full container

Bwhen JPA entities are used outside of the EJB Lite container

Calways, because JPA entities are required to implement the Serializable interface

Dwhen JPA entities are used as parameters or return values by the remote EJB operations

Show Suggested Answer

Suggested Answer: D

by Cathrine at Apr 13, 2024, 04:36 AM

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Melvin

1 months ago

Serializable? More like 'Serializawful'! Am I right, folks? *winks* But in all seriousness, I think option C is the way to go. Better safe than sorry when it comes to JPA entities.

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Breana

2 months ago

Wait, is this a trick question? I thought JPA entities were always Serializable by default. Maybe I've been living under a rock or something. *scratches head*

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Franchesca

4 days ago

I see, so it's necessary to implement the Serializable interface when JPA entities are used in the EJB Full container. Thanks for clarifying!

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Franchesca

19 days ago

No, it's not a trick question. JPA entities are not always Serializable by default. They should implement the Serializable interface when used outside of the EJB Lite container.

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Franchesca

1 months ago

I think the Serializable interface should be implemented when JPA entities are used as parameters or return values by the remote EJB operations.

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Hmm, I'm leaning towards option D. If we're using JPA entities as parameters or return values for remote EJB operations, then we should definitely implement Serializable, right? Gotta keep that data transfer secure!

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Germaine

1 months ago

I agree. It's important to implement Serializable in such cases to maintain data integrity and security during remote communication.

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Salome

2 months ago

Yes, that's correct. Implementing Serializable ensures that the JPA entity can be serialized and transferred over the network for remote EJB operations.

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Cherry

2 months ago

I'm not so sure about that. I've used JPA entities without implementing Serializable before, and it seemed to work fine. Maybe option B is the right choice?

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Tequila

2 months ago

I'm not sure, but I think C might also be correct because JPA entities are always required to implement the Serializable interface.

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Armando

2 months ago

I agree with Alishia, D makes sense for using JPA entities as parameters or return values in remote EJB operations.

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Ashleigh

2 months ago

I think option C is the correct answer. The Serializable interface is a requirement for JPA entities, so we should always implement it.

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Virgina

25 days ago

True, but option D specifically mentions remote EJB operations, which is important to consider.

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Nida

1 months ago

Option B makes sense too, especially if the entities are used outside of the EJB Lite container.

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Tyisha

2 months ago

I think it's actually option D, because remote EJB operations require serialization.

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Thurman

2 months ago

I agree, option C seems to be the most logical choice.

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Alishia

3 months ago

I think the answer is D, because JPA entities need to be serializable for remote EJB operations.

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Oracle Exam 1Z0-900 Topic 9 Question 77 Discussion

Contribute your Thoughts:

Melvin

Breana

Franchesca

Franchesca

Franchesca

Wava

Germaine

Salome

Cherry

Tequila

Armando

Ashleigh

Virgina

Nida

Tyisha

Thurman

Alishia