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NEW QUESTION # 16
If a class is annotated with @Component, what should be done to have Spring automatically detect the annotated class and load it as a bean? (Choose the best answer.)
- A. Ensure a valid @ComponentScan annotation in the Java configuration is specified.
- B. Ensure a valid @Scope for the class is specified.
- C. Ensure a valid bean name in the @Component annotation is specified.
- D. Ensure a valid @Bean for the class is specified.
Answer: C
NEW QUESTION # 17
Which two statements are true concerning constructor injection? (Choose two.)
- A. Constructor injection is preferred over field injection to support unit testing.
- B. Constructor injection only allows one value to be injected.
- C. Field injection is preferred over constructor injection from a unit testing standpoint.
- D. If there is only one constructor the @Autowired annotation is not required.
- E. Construction injection can be used with multiple constructors without @Autowired annotation.
Answer: A,C
NEW QUESTION # 18
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 @ResponseEntity(204).
- B. Annotate the update() handler method with @PutMapping("/store/orders/{id"}", HttpStatus.NO_CONTENT).
- C. Annotate the update() handler method with @ResponseStatus(HttpStatus.NO_CONTENT).
- D. The update() handler method cannot return a void type, it must return a ResponseEntity type.
Answer: A
NEW QUESTION # 19
Which two statements are correct regarding Spring Boot auto-configuration? (Choose two.)
- A. Auto-configuration is applied before user-defined beans have been registered.
- B. Auto-configuration could apply when a bean is missing but not when a bean is present.
- C. Auto-configuration could apply when a bean is present but not when a bean is missing.
- D. Auto-configuration uses @Conditional annotations to constrain when it should apply.
- E. Auto-configuration is applied by processing candidates listed in META-INF/spring.factories.
Answer: A,C
NEW QUESTION # 20
Which three types can be used as @Controller method arguments? (Choose three.)
- A. HttpSession
- B. Principal
- C. Locale
- D. Request
- E. Language
- F. Session
Answer: A,C,D
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 implementations exist for many data storage types, such as MongoDB, Neo4j, and Redis.
- D. Spring Data works by applying the JPA annotations to data stores such as MongoDB, Neo4j, and Redis.
- E. Spring Data can greatly reduce the amount of "boilerplate" code typically needed for data access.
Answer: B,E
NEW QUESTION # 22
Which two statements are correct when @SpringBootApplication is annotated on a class? (Choose two.)
- A. A separate ApplicationContext will be created for each class annotated with
- B. All other annotations on the class will be ignored.
- C. Methods in the class annotated with @Bean will be ignored.
- D. It causes Spring Boot to enable auto-configuration by default.
- E. Component scanning will start from the package of the class.
Answer: A,D
Explanation:
@SpringBootApplication.
NEW QUESTION # 23
Which two statements are correct regarding Spring Boot auto-configuration customization? (Choose two.)
- A. Provide customized auto-configuration by subclassing the provided Spring Boot auto-configuration classes.
- B. Disable specific auto-configuration classes by using the exclude attribute on the
@EnableAutoConfiguation annotation. - C. Use the @AutoConfigureAfter or @AutoConfigureBefore annotations to apply configuration in a specific order.
- D. Enable component scanning within auto-configuration classes to find necessary components.
- E. Control the order of auto-configuration classes applied with @AutoConfigureOrder.
Answer: B,C
Explanation:
Section: (none)
Explanation
NEW QUESTION # 24
Which two statements are correct regarding Spring Boot 2.x Actuator Metrics? (Choose two.)
- A. Custom metrics can be measured using Meter primitives such as Counter, Gauge, Timer, and DistributionSummary.
- B. A metric must be created with one or more tags.
- C. Timer measures both the number of timed events and the total time of all events timed.
- D. An external monitoring system must be used with Actuator.
- E. The metrics endpoint /actuator/metrics is exposed over HTTP by default.
Answer: D,E
NEW QUESTION # 25
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. Starts a new transaction; if an active transaction already exists, it is suspended.
- C. Joins a transaction if one already exists; throws an exception if an active transaction does not exist.
- D. Runs in a nested transaction if an active transaction exists; throws an exception if an active transaction does not exist.
Answer: B
NEW QUESTION # 26
Refer to the exhibit.
Assume that the application is using Spring transaction management which uses Spring AOP internally.
Choose the statement that describes what is happening when the update1 method is called? (Choose the best answer.)
- A. There is only one transaction initiated by update1() because the call to update2() does not go through the proxy.
- B. There is only one transaction because REQUIRES_NEW will use an active transaction if one already exists.
- C. An exception is thrown as another transaction cannot be started within an existing transaction.
- D. There are 2 transactions because REQUIRES_NEW always runs in a new transaction.
Answer: A
NEW QUESTION # 27
Which two options will inject the value of the daily.limit system property? (Choose two.)
- A. @Value("#{systemProperties['daily.limit']}")
- B. @Value("#{daily.limit}")
- C. @Value("$(daily.limit)")
- D. @Value("#{systemProperties.daily.limit}")
- E. @Value("$(systemProperties.daily.limit)")
Answer: A,E
NEW QUESTION # 28
Which two statements are correct regarding the Actuator info endpoint? (Choose two.)
- A. It provides configuration options through which only an authenticated user can display application information.
- B. It can be used to change a property value on a running application.
- C. It can be used to display arbitrary application information.
- D. Typically it is used to display build or source control information.
- E. It is not enabled by default.
Answer: C,E
NEW QUESTION # 29
Which two are required to use transactions in Spring? (Choose two.)
- A. Annotate a class, an interface, or individual methods requiring a transaction with the @Transactional annotation.
- B. A class requiring a transaction must implement the TransactionInterceptor interface.
- C. Add @EnableTransactionManagement to a Java configuration class.
- D. Write a Spring AOP advice to implement transactional behavior.
- E. A class must be annotated with @Service and @Transaction.
Answer: A,C
NEW QUESTION # 30
Which two statements are true regarding bean creation? (Choose two.)
- A. A Spring bean can be implicitly created by annotating the class with @Bean and using the component- scanner to scan its package.
- B. A Spring bean can be explicitly created by annotating the class with @Autowired.
- C. A Spring bean can be implicitly created by annotating the class with @Component and using the component-scanner to scan its package.
- D. A Spring bean can be explicitly created using @Bean annotated methods within a Spring configuration class.
- E. A Spring bean can be explicitly created by annotating methods or fields by @Autowired.
Answer: B,C
Explanation:
Reference:
https://howtodoinjava.com/spring-core/spring-beans-autowiring-concepts/
NEW QUESTION # 31
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-initializr
- B. spring-boot-restart
- C. spring-boot-starter-devtools
- D. spring-boot-devtools
Answer: D
NEW QUESTION # 32
What are the two reasons Spring be used to build a Java application? (Choose two.)
- A. Spring automates a Java application build.
- B. Spring provides a Dependency Injection container.
- C. Spring provides comprehensive Java IDE support.
- D. Spring automates deployment of Java applications to all of the major cloud providers.
- E. Spring provides abstractions over infrastructure such as persistence and messaging.
Answer: A,B
NEW QUESTION # 33
Which three types of objects can be returned form a JdbcTemplate query? (Choose three.)
- A. XMLObject
- B. Simple types (int, long, String, etc)
- C. User defined types
- D. Generic MapS
- E. JSONObject
- F. Properties
Answer: B,C,F
NEW QUESTION # 34
Which two statements are true regarding a Spring Boot-based Spring MVC application? (Choose two.)
- A. The default port of the embedded servlet container is 8088.
- B. Jetty is the default servlet container.
- C. The default embedded servlet container can be replaced with Undertow.
- D. Spring MVC starts up an in-memory database by default.
- E. Spring Boot starts up an embedded servlet container by default.
Answer: B,E
NEW QUESTION # 35
Which two statements about the @Autowired annotation are true? (Choose two.)
- A. If @Autowired is used on a class, field injection is automatically performed for all dependencies.
- B. Multiple arguments can be injected into a single method using @Autowired.
- C. @Autowired fields are injected after any config methods are invoked.
- D. @Autowired can be used to inject references into BeanPostProcessor and
- E. By default, if a dependency cannot be satisfied with @Autowired, Spring throws a RuntimeException.
Answer: B,D
Explanation:
BeanFactoryPostProcessor.
NEW QUESTION # 36
Which strategy is correct for configuring Spring Security to intercept particular URLs? (Choose the best answer.)
- A. The URLs can be specified via configuration (using authorizeRequests () and request matchers), with the least specific rule first and the most specific last.
- B. The URLs are specified in a special properties file, used by Spring Security.
- C. The URLs can be specified via configuration (using authorizeRequests () and request matchers), with the most specific rule first and the least specific last.
- D. Spring Security can obtain URLs from Spring MVC controllers, the Spring Security configuration just needs a reference to the controller to be protected.
Answer: C
NEW QUESTION # 37
Which two annotations indicate that the transaction for a transactional test method should be committed after the test method has completed? (Choose two.)
- A. @Sql(alwaysCommit=true)
- B. @Rollback(false)
- C. @Transactional(commit=true)
- D. @SqlMergeMode(false)
- E. @Commit
Answer: B,E
NEW QUESTION # 38
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