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What are the JPA @Entity association attributes?

1. Association validation
2. Association multiplicity
3. Association cascade behavior
4. Association direction

✅ Correct Answer: 1

JPA implementation is provided by ---?

1. Hibernate
2. Toplink
3. Ibatis
4. All of them

✅ Correct Answer: 4

______ has stated that ideas came from several frameworks, including Hibernate and JDO.

1. Sun Microsystems
2. Java (software platform)
3. Open JDK
4. Java (programming language)

✅ Correct Answer: 3

What is the Life Cycle Of A Jpa Entity?

1. New / Transient
2. Managed / Persisted
3. Detached
4. All of the above

✅ Correct Answer: 4

What's true about the following @Entity association between House and Window? @Entity public class Window { @Id private int winNo; @ManyToOne private House aHouse; } @Entity public class House { @Id private int houseNo; @OneToMany(mappedBy="aHouse") private List windows; }

1. It's OneToMany unidirectional association
2. It's OneToMany bidirectional association
3. The association owner is the House class
4. The association owner is the Window class

✅ Correct Answer: 2

Which annotation is used to create Pk-Fk relation b/w two tables?

1. JoinColumn
2. ForeignKey
3. JoinedKey
4. None of these

✅ Correct Answer: 1

Object/relational metadata can be specified directly in the entity class file by using annotations, or in a separate ________ descriptor file distributed with the application.

1. Scalable Vector Graphics
2. HTML
3. XML
4. XHTML

✅ Correct Answer: 1

What is TRUE about the cascading and cascade mode attributes in Entity Beans?

1. Cascade mode attributes can be specified for the association annotaions (like @OneToMany) in an entity bean
2. The cascading direction is from the target entity to the source entity
3. Refresh cascade causes to refresh the target entities of a relationship when refresh is invoked on the source entity of the relationship
4. PERSIST, DELETE and REFRESH are cascading mode attributes

✅ Correct Answer: 1

Which attribute of @OneToMany is used to mark an entity as owned?

1. cascade
2. mappedBy
3. propertyRef
4. None of the above

✅ Correct Answer: 2

What is the JPA equivalent of hibernate.cfg.xml file?

1. configuration.xml
2. persistence.xml
3. jpa.configuration.xml
4. jpa.configuration.xml

✅ Correct Answer: 2

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