Spring_Essentials_Quiz_Day_3

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Spring ORM & Spring Data JPA

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Birendra Singh

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Spring_Essentials_Quiz_Day_3


Spring_Essentials_Quiz_Day_3Versión en línea Spring ORM & Spring Data JPA por Birendra Singh 1 Which class is responsible for bootstrapping the JPA EntityManagerFactory in Spring ORM? Choose one or more answers a JpaTransactionManager b LocalContainerEntityManagerFactoryBean c PersistenceAnnotationBeanPostProcessor d DriverManagerDataSource 2 Which interface acts as the central abstraction for transaction management in Spring? a EntityTransaction b JpaTransactionManager c PlatformTransactionManager d TransactionDefinition 3 What is the default propagation behavior of @Transactional? a MANDATORY b REQUIRES_NEW c SUPPORTS d REQUIRED 4 Which statement about declarative transaction management is TRUE? a Transactions are manually controlled using JDBC API b Spring manages transaction boundaries automatically c No proxy is created internally d It works only with Hibernate 5 @Bean public DriverManagerDataSource ds() { DriverManagerDataSource ds = new DriverManagerDataSource(); ds.setUrl("jdbc:mysql://localhost:3306/test"); ds.setUsername("root"); ds.setPassword("root"); return ds; } What is missing? a Driver class name b Username c EntityManagerFactory d Transaction Manager 6 @Transactional public void save() { repo.save(emp); throw new RuntimeException(); }What will happen? a Data committed b Transaction ignored c Rollback occurs d Compile-time error 7 Which repository provides CRUD + Pagination + Sorting + JPA-specific methods? a CrudRepository b PagingAndSortingRepository c JpaRepository d Repository 8 Which interface is only a marker interface? a JpaRepository b CrudRepository c Repository d PagingAndSortingRepository 9 Which XML element enables Spring Data JPA repositories? a b c d 10 Which annotation is Java Config equivalent of ? a @EnableJpaRepositories b @EnableTransactionManagement c @PersistenceContext d @Repository 11 Which annotation enables annotation-driven transaction management? a @EnableJpaRepositories b @Transactional c @EnableTransactionManagement d @PersistenceUnit 12 What query is generated? List findByName(String name); a DELETE query b UPDATE query c SELECT query d Native SQL query only 13 Which keyword is valid in query method approach? a findBy b searchBy c loadBy d queryBy 14 What does this method do? List findBySalaryGreaterThan(double salary); a Fetch salary less than value b Fetch salary greater than value c Exact match only d Causes exception 15 Which annotation allows custom JPQL/native query writing? Choose one or more answers a @NamedQuery b @Query c @Transactional d @Modifying 16 Where is @NamedQuery generally placed? a Repository Interface b Service Class c Entity Class d Controller 17 What is the purpose of orm.xml? a Bean configuration b Spring transaction configuration c External JPA mapping/query configuration d JDBC driver configuration 18 Which tag defines a named JPQL query in orm.xml? Choose one or more answers a b c d 19 from Employee What does contain? a SQL only b HQL/JPQL query c JDBC statement d XML schema 20 Which is TRUE regarding JpaRepository? a Extends PagingAndSortingRepository b Extends CrudRepository indirectly c Provides batch operations d All of the above

Spring_Essentials_Quiz_Day_3

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Spring_Essentials_Quiz_Day_3Versión en línea

por Birendra Singh

Which class is responsible for bootstrapping the JPA EntityManagerFactory in Spring ORM?

Which interface acts as the central abstraction for transaction management in Spring?

What is the default propagation behavior of @Transactional?

Which statement about declarative transaction management is TRUE?

@Bean public DriverManagerDataSource ds() { DriverManagerDataSource ds = new DriverManagerDataSource(); ds.setUrl("jdbc:mysql://localhost:3306/test"); ds.setUsername("root"); ds.setPassword("root"); return ds; } What is missing?

@Transactional public void save() { repo.save(emp); throw new RuntimeException(); }What will happen?

Which repository provides CRUD + Pagination + Sorting + JPA-specific methods?

Which interface is only a marker interface?

Which XML element enables Spring Data JPA repositories?

Which annotation is Java Config equivalent of ?

Which annotation enables annotation-driven transaction management?

What query is generated? List findByName(String name);

Which keyword is valid in query method approach?

What does this method do? List findBySalaryGreaterThan(double salary);

Which annotation allows custom JPQL/native query writing?

Where is @NamedQuery generally placed?

What is the purpose of orm.xml?

Which tag defines a named JPQL query in orm.xml?

from Employee What does contain?

Which is TRUE regarding JpaRepository?