Professional Develop VMware Spring v1.0
Question 1
Which two statements are correct when @SpringBootApplication is annotated on a class? (Choose two.)
- A. It causes Spring Boot to enable auto-configuration by default.
- B. Component scanning will start from the package of the class.
- C. All other annotations on the class will be ignored.
- D. Methods in the class annotated with @Bean will be ignored.
- E. A separate ApplicationContext will be created for each class annotated with @SpringBootApplication.
Answer : AE
Question 2
Refer to the exhibit.
It is a Java code fragment from a Spring application. Which statement is true with regard to the above example? (Choose the best answer.)
- A. This syntax is invalid because the result of the getBean() method call should be cast to ClientService.
- B. It will return a bean called ClientService regardless of its id or name.
- C. This syntax is invalid because the bean id must be specified as a method parameter.
- D. It will return a bean of the type ClientService regardless of its id or name.
Answer : D
Question 3
Which two statements about pointcut expressions are true? (Choose two.)
- A. A pointcut expression cannot specify the type of parameters.
- B. A pointcut expression will throw an exception if no methods are matched.
- C. A pointcut expression cannot have a wildcard for a method name.
- D. A pointcut expression can include operators such as the following: && (and), || (or), ! (not).
- E. A pointcut expression can be used to select join points which have been annotated with a specific annotation.
Answer : DE
Question 4
Which three types of objects can be returned form a JdbcTemplate query? (Choose three.)
- A. Generic MapS
- B. Simple types (int, long, String, etc)
- C. JSONObject
- D. User defined types
- E. Properties
- F. XMLObject
Answer : BDE
Question 5
Which two use cases can be addressed by the method level security annotation @PreAuthorize? (Choose two.)
- A. Allow access to a method based on user identity.
- B. Allow access to a method based on the returned object.
- C. Allow access to a method based on HTTP method.
- D. Allow access to a method based on request URL.
- E. Allow access to a method based on roles.
Answer : CE
Question 6
Which statement is true about the @PropertySource annotation? (Choose the best answer.)
- A. Used to designate the location of the application.properties file in a Spring Boot application.
- B. Used to easily look up and return a single property value from some external property file.
- C. Used to designate the file directory of the application.properties file in a Spring Boot application.
- D. Used to add a set of name/value pairs to the Spring Environment from an external source.
Answer : B
Question 7
Which two options are valid optional attributes for Spring’s @Transactional annotation? (Choose two.)
- A. isolation
- B. writeOnly
- C. nestedTransaction
- D. readWrite
- E. propagation
Answer : AE
Question 8
Which two statements are true about Spring Boot and Spring Data JPA? (Choose two.)
- A. @EntityScan and spring.jpa.* properties can be used to customize Spring Data JPA.
- B. Any kind of Hibernate property can be passed to Spring Data JPA like spring.jpa.properties.xxx.
- C. Spring Data JPA is the only implementation for relational databases.
- D. Scanning of JPA Entities can not be customized, the whole classpath is scanned.
- E. Embedded Databases (H2, HSQLDB, Derby) are not re-created during the startup.
Answer : CE
Question 9
Refer to the exhibit.
Based on the default Spring behavior, choose the correct answer. (Choose the best answer.)
- A. One AccountRepository bean will be instantiated since the default scope is singleton.
- B. Three AccountRepository beans will be instantiated as the accountRepository() method will be called three times.
- C. Many AccountRepository beans will be instantiated, depending how often accountRepository(), transferService() and accountService() are called.
- D. Two AccountRepository beans will be instantiated as the accountRepository() method will be called two times.
Answer : C
Question 10
Refer to the exhibit.
Which two statements are correct regarding the HelloAutoConfig auto-configuration class when it is specified in the META-INF/spring.factories file? (Choose two.)
- A. A HelloService bean will be created from the helloService() method even if the HelloService.class is not in the classpath.
- B. A HelloService bean will be created from the helloService() method only when there is no other HelloService bean in the ApplicationContext.
- C. This auto-configuration class is used only when the HelloService.class is not on the classpath.
- D. This auto-configuration class is used only when the HelloService.class is on the classpath.
- E. A HelloService bean will be created from the helloService() method and will replace existing a HelloService bean in the ApplicationContext.
Answer : BD
Question 11
Refer to the exhibit.
What is the id/name of the declared bean in this Java configuration class? (Choose the best answer.)
- A. clientServiceImpl (starting with lowercase “c”)
- B. clientServiceImpl (starting with uppercase “C”)
- C. clientService (starting with lowercase “c”)
- D. ClientService (starting with uppercase “C”)
Answer : D
Question 12
Which two statements are true regarding @DataJpaTest? (Choose two.)
- A. TestEntityManager provides all methods that are provided by EntityManager and more.
- B. If an embedded database is on the classpath, it will be used to configure a DataSource by default.
- C. It can be used for testing both JPA components and NoSQL components.
- D. It auto-configures a TestEntityManager bean.
- E. It can be used for testing JdbcTemplate.
Answer : BD
Question 13
Which two statements are true regarding storing user details in Spring Security? (Choose two.)
- A. With a custom UserDetailsService defined in the ApplicationContext, Spring Boot still creates the default user.
- B. Passwords must be hashed and the default hashing algorithm is MD5.
- C. User details can be stored in custom storage and retrieve them by implementing the UserDetailsService interface.
- D. User details can be stored in a database, in LDAP, or in-memory.
- E. The user details includes username and password but not authorities.
Answer : AE
Question 14
Which two statements are correct regarding Spring Boot auto-configuration? (Choose two.)
- A. Auto-configuration uses @Conditional annotations to constrain when it should apply.
- B. Auto-configuration could apply when a bean is missing but not when a bean is present.
- C. Auto-configuration is applied by processing candidates listed in META-INF/spring.factories.
- D. Auto-configuration could apply when a bean is present but not when a bean is missing.
- E. Auto-configuration is applied before user-defined beans have been registered.
Answer : DE
Question 15
Refer to the exhibit.
How can a response status code be set for No Content (204)? (Choose the best answer.)
- A. Annotate the update() handler method with @PutMapping(“/store/orders/{id”}”, HttpStatus.NO_CONTENT).
- B. Annotate the update() handler method with @ResponseStatus(HttpStatus.NO_CONTENT).
- C. Annotate the update() handler method with @ResponseEntity(204).
- D. The update() handler method cannot return a void type, it must return a ResponseEntity type.
Answer : C