Study tips 1z0-860

which code can be added at Line 13 to guarantee that business method methodA will execute only if invoked with an active transaction?

Which two statements are true?

Which statement about entity manager is true?

Which statement is true about the use of a persist operation in a transaction?

Which two operations are allowed in a business method of the bean?

Which two, taken in combination, are appropriate to accomplish this?

Which Java Persistence query uses the aggregate function correctly, assuming that chairs field is of type int?

Which statement is correct about these classes if NO other annotations and mapping descriptors are provided?

Which statement describes how to manage the data correctly?

which two conditions can a client be guaranteed to have permission to invoke a business method on the enterprise bean?