
Master Java Web Services and REST API with Spring Boot- Step 6: Defining a Service to manage the Entity - UserService an
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of creating a User DAO service?
To handle user authentication
To access and manage data from the database
To provide user notifications
To manage user interface design
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used by the entity manager to save an entity to the database?
save
persist
store
commit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What annotation is used to indicate a class as a repository in Spring Framework?
@Service
@Component
@Repository
@Controller
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the persistence context in relation to the entity manager?
It tracks changes to persisted objects
It handles database connections
It manages user sessions
It provides security features
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which annotation is used for transaction management in JPA?
@PersistenceContext
@Transactional
@Entity
@Autowired
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