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NEW QUESTION # 17
Which two statements are correct regarding Spring Boot 2.x Actuator Metrics? (Choose two.)
- A. Timer measures both the number of timed events and the total time of all events timed.
- B. A metric must be created with one or more tags.
- C. The metrics endpoint /actuator/metrics is exposed over HTTP by default.
- D. Custom metrics can be measured using Meter primitives such as Counter, Gauge, Timer, and DistributionSummary.
- E. An external monitoring system must be used with Actuator.
Answer: C,E
NEW QUESTION # 18
Which two statements are true regarding @DataJpaTest? (Choose two.)
- A. If an embedded database is on the classpath, it will be used to configure a DataSource by default.
- B. It can be used for testing JdbcTemplate.
- C. TestEntityManager provides all methods that are provided by EntityManager and more.
- D. It auto-configures a TestEntityManager bean.
- E. It can be used for testing both JPA components and NoSQL components.
Answer: A,D
NEW QUESTION # 19
Which statement describes the propagation behavior of Propagation.REQUIRES_NEW annotation? (Choose the best answer.)
- A. Starts a new transaction but throws an exception if an active transaction already exists.
- B. Joins a transaction if one already exists; throws an exception if an active transaction does not exist.
- C. Starts a new transaction; if an active transaction already exists, it is suspended.
- D. Runs in a nested transaction if an active transaction exists; throws an exception if an active transaction does not exist.
Answer: C
NEW QUESTION # 20
Which option is true about use of mocks in a Spring Boot web slice test? (Choose the best answer.)
- A. Mocking a Spring Bean requires annotating it with @MockBean annotation.
- B. Mocking a Spring Bean requires annotating it with @Mock annotation.
- C. If a Spring Bean already exists in the web slice test spring context, it cannot be mocked.
- D. Mocks cannot be used in a Spring Boot web slice test.
Answer: A
NEW QUESTION # 21
Which following statements are true about Spring Data? (Choose two.)
- A. Spring Data cannot be used together with Spring MVC.
- B. Spring Data is specifically designed for JPA, JDBC, and relational database access only.
- C. Spring Data works by applying the JPA annotations to data stores such as MongoDB, Neo4j, and Redis.
- D. Spring Data can greatly reduce the amount of "boilerplate" code typically needed for data access.
- E. Spring Data implementations exist for many data storage types, such as MongoDB, Neo4j, and Redis.
Answer: B,D
NEW QUESTION # 22
Spring Boot will find and load property files in which of the following? (Choose the best answer.)
- A. application.properties or application.yml, usually located in the classpath root.
- B. A *.properties file matching the name of the class annotated with @SpringBootApplication.
- C. env.properties or env.yml, usually located in the classpath root.
- D. config.properties or config.yml, usually located in the classpath root.
Answer: A
NEW QUESTION # 23
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. It will return a bean called ClientService regardless of its id or name.
- B. This syntax is invalid because the bean id must be specified as a method parameter.
- C. This syntax is invalid because the result of the getBean() method call should be cast to ClientService.
- D. It will return a bean of the type ClientService regardless of its id or name.
Answer: D
NEW QUESTION # 24
Refer to the exhibit.
How can a response status code be set for No Content (204)? (Choose the best answer.)
- A. The update() handler method cannot return a void type, it must return a ResponseEntity type.
- B. Annotate the update() handler method with @ResponseEntity(204).
- C. Annotate the update() handler method with @PutMapping("/store/orders/{id"}", HttpStatus.NO_CONTENT).
- D. Annotate the update() handler method with @ResponseStatus(HttpStatus.NO_CONTENT).
Answer: B
NEW QUESTION # 25
Which two statements are true about REST? (Choose two.)
- A. REST is Interoperable.
- B. REST is a Protocol.
- C. REST is Stateful.
- D. REST is Relative.
- E. REST is Reliable.
Answer: A,B
NEW QUESTION # 26
Which dependency enables an automatic restart of the application as code is changed during development of a Spring boot configuration on a web application? (Choose the best answer.)
- A. spring-boot-devtools
- B. spring-boot-initializr
- C. spring-boot-starter-devtools
- D. spring-boot-restart
Answer: A
NEW QUESTION # 27
Which three types of objects can be returned form a JdbcTemplate query? (Choose three.)
- A. Generic MapS
- B. User defined types
- C. Properties
- D. XMLObject
- E. Simple types (int, long, String, etc)
- F. JSONObject
Answer: B,C,E
NEW QUESTION # 28
Which two statements are true regarding the RestTemplate class? (Choose two.)
- A. It automatically supports sending and receiving Java objects.
- B. It provides convenience methods for writing REST services.
- C. It supports asynchronous non-blocking model.
- D. It provides convenience methods for writing REST clients.
- E. Sending an HTTP request with a custom header is not possible when using RestTemplate.
Answer: A,E
NEW QUESTION # 29
Spring puts each bean instance in a scope. What is the default scope? (Choose the best answer.)
- A. singleton
- B. session
- C. prototype
- D. request
Answer: A
NEW QUESTION # 30
Which two statements are true concerning constructor injection? (Choose two.)
- A. Construction injection can be used with multiple constructors without @Autowired annotation.
- B. Constructor injection is preferred over field injection to support unit testing.
- C. If there is only one constructor the @Autowired annotation is not required.
- D. Field injection is preferred over constructor injection from a unit testing standpoint.
- E. Constructor injection only allows one value to be injected.
Answer: B,D
NEW QUESTION # 31
Which two statements are correct when @SpringBootApplication is annotated on a class? (Choose two.)
- A. Component scanning will start from the package of the class.
- B. A separate ApplicationContext will be created for each class annotated with
- C. It causes Spring Boot to enable auto-configuration by default.
- D. All other annotations on the class will be ignored.
- E. Methods in the class annotated with @Bean will be ignored.
Answer: B,C
Explanation:
@SpringBootApplication.
NEW QUESTION # 32
Which statement is true about the @PropertySource annotation? (Choose the best answer.)
- A. Used to add a set of name/value pairs to the Spring Environment from an external source.
- B. Used to designate the location of the application.properties file in a Spring Boot application.
- C. Used to easily look up and return a single property value from some external property file.
- D. Used to designate the file directory of the application.properties file in a Spring Boot application.
Answer: C
NEW QUESTION # 33
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