Study tips 1z0-860

Which three are true?

Which change is needed to make to the persistence.xml?

Which two statements are correct about EJB 3.0 stateful session beans and stateless session beans?

Which statement is correct?

Which query can be used to return the user that holds the book titled "Java"?

Which two are valid queries that return this information?

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

Which two define appropriate EJB role responsibilities?

Which two are true about specifying Java EE environment annotation metadata for session bean classes?

which is true?