VMware 2V0-72.22 Real 2025 Braindumps Mock Exam Dumps
2V0-72.22 Exam Questions | Real 2V0-72.22 Practice Dumps
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NEW QUESTION # 23
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-starter-devtools
- B. spring-boot-devtools
- C. spring-boot-initializr
- D. spring-boot-restart
Answer: A
Explanation:
Spring Boot provides a set of tools for improving the development experience, such as automatic restart, live reload, remote debugging, etc. These tools are included in the spring-boot-starter-devtools dependency, which can be added to the project's pom.xml or build.gradle file. The automatic restart feature will monitor the classpath for changes and trigger a restart of the application when necessary.
NEW QUESTION # 24
Which two statements are true about @Controller annotated classes? (Choose two.)
- A. The classes must be annotated together with @EnableMvcMappings to be discovered via component scanning.
- B. The classes are eligible for handling requests in Spring MVC.
- C. @Controller is interchangeable with @RestController with no extra code changes for the methods inside the class.
- D. The @Controller annotation is a stereotype annotation like @Component.
- E. The @Controller annotated classes can only render views.
Answer: B,D
NEW QUESTION # 25
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 @ResponseStatus(HttpStatus.NO_CONTENT).
- B. Annotate the update() handler method with @ResponseEntity(204).
- C. The update() handler method cannot return a void type, it must return a ResponseEntity type.
- D. Annotate the update() handler method with @PutMapping("/store/orders/{id"}", HttpStatus.NO_CONTENT).
Answer: B
NEW QUESTION # 26
Which two statements are true regarding the RestTemplate class? (Choose two.)
- A. It provides convenience methods for writing REST clients.
- B. It automatically supports sending and receiving Java objects.
- C. Sending an HTTP request with a custom header is not possible when using RestTemplate.
- D. It provides convenience methods for writing REST services.
- E. It supports asynchronous non-blocking model.
Answer: A,B
Explanation:
The RestTemplate class is a Spring class that provides an easy way to communicate with RESTful web services from within an application. It offers several convenience methods for performing HTTP requests and handling HTTP responses, such as getForObject(), postForEntity(), exchange(), etc. It also supports automatic conversion of Java objects to and from JSON or XML using HttpMessageConverter instances.
NEW QUESTION # 27
What is a Spring Boot starter dependency? (Choose the best answer.)
- A. A setting for specifying which code you want Spring Boot to generate for you.
- B. A pre-existing model project you can download and use as the basis of your project.
- C. An easy way to include multiple, coordinated dependencies related to a specific technology, like web or JDBC.
- D. A specific POM which you must build to control Spring Boot's opinionated runtime.
Answer: C
NEW QUESTION # 28
Which two are required to use transactions in Spring? (Choose two.)
- A. A class requiring a transaction must implement the TransactionInterceptor interface.
- B. A class must be annotated with @Service and @Transaction.
- C. Annotate a class, an interface, or individual methods requiring a transaction with the @Transactional annotation.
- D. Write a Spring AOP advice to implement transactional behavior.
- E. Add @EnableTransactionManagement to a Java configuration class.
Answer: C,E
Explanation:
Transactions are units of work that ensure data consistency and integrity by enforcing atomicity, consistency, isolation, and durability (ACID) properties. Spring provides an abstraction layer for transaction management that supports various transaction APIs such as JDBC, JPA, Hibernate, etc. To use transactions in Spring, we need to do two things:
Enable transaction management by adding @EnableTransactionManagement annotation to a Java configuration class or tx:annotation-driven/ element to an XML configuration file.
Declare transactional boundaries by annotating a class, an interface, or individual methods with the @Transactional annotation. This annotation indicates that the execution of the annotated element should be wrapped in a transaction.
NEW QUESTION # 29
Which two statements are correct regarding the Actuator loggers endpoint? (Choose two.)
- A. To get a logging level of a package called account.web, you can access the /actuator/loggers/account.web endpoint.
- B. In order to use the loggers endpoint, a logger implementation dependency needs to be added.
- C. The logging levels of a package that can be accessed via the loggers endpoint include configuredLevel and effectiveLevel.
- D. An application restart is required to change the logging level of the package.
Answer: A,C
NEW QUESTION # 30
Which three statements are advantages of using Spring's Dependency Injection? (Choose three.)
- A. Dependencies between application components can be managed external to the components.
- B. Configuration can be externalized and centralized in a small set of files.
- C. Dependency injection reduces the start-up time of an application.
- D. Dependency injection creates tight coupling between components.
- E. Dependency injection facilitates loose coupling between components.
- F. Dependency injection can make code easier to trace because it couples behavior with construction.
Answer: B,C,D
NEW QUESTION # 31
Which statement is true? (Choose the best answer.)
- A. @ActiveProfiles is a class-level annotation that is used to declare which bean definition profiles should be active when loaded an ApplicationContext for an integration test.
- B. @ActiveProfiles is a class-level annotation that is used to instruct the Spring TestContext Framework to record all application events that are published in the ApplicationContext during the execution of a single test.
- C. @ActiveProfiles is a class-level annotation that you can use to configure how the Spring TestContext Framework is bootstrapped.
- D. @ActiveProfiles is a class-level annotation that you can use to configure the locations of properties files and inlined properties to be added to the set of PropertySources in the Environment for an ApplicationContext loaded for an integration test.
Answer: A
Explanation:
A bean definition profile is a named logical grouping of bean definitions that can be activated or deactivated in different environments. For example, we can define different profiles for development, testing, and production environments. Spring provides the @Profile annotation to mark a bean definition or a configuration class as belonging to a specific profile. To activate a profile, we can use the spring.profiles.active property or the ConfigurableEnvironment.setActiveProfiles() method.
The @ActiveProfiles annotation is a class-level annotation that is used in conjunction with the Spring TestContext Framework to declare which profiles should be active when loading an ApplicationContext for an integration test. This annotation can be applied to any class annotated with @ContextConfiguration or a meta-annotation that is composed of @ContextConfiguration.
NEW QUESTION # 32
Which two statements about the @Autowired annotation are true? (Choose two.)
- A. @Autowired can be used to inject references into BeanPostProcessor and
- B. Multiple arguments can be injected into a single method using @Autowired.
- C. @Autowired fields are injected after any config methods are invoked.
- D. If @Autowired is used on a class, field injection is automatically performed for all dependencies.
- E. By default, if a dependency cannot be satisfied with @Autowired, Spring throws a RuntimeException.
Answer: A,B
Explanation:
BeanFactoryPostProcessor.
NEW QUESTION # 33
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. There are 2 transactions because REQUIRES_NEW always runs in a new transaction.
- D. An exception is thrown as another transaction cannot be started within an existing transaction.
Answer: A
Explanation:
When using Spring transaction management with annotation-driven mode, the @Transactional annotation will be processed by a TransactionInterceptor that implements the AOP advice interface. This interceptor will be applied to the target bean through a proxy that implements the same interface as the target bean. Therefore, when a method of the target bean is called from outside, it will actually invoke the proxy method, which will delegate to the interceptor and then to the actual target method.
However, when a method of the target bean is called from within the same bean, it will not go through the proxy and thus bypass the interceptor logic. In this case, when update1() calls update2(), it will not start a new transaction as specified by REQUIRES_NEW propagation level, but rather join the existing transaction initiated by update1() itself.
NEW QUESTION # 34
Which following statements are true about Spring Data? (Choose two.)
- A. Spring Data is specifically designed for JPA, JDBC, and relational database access only.
- B. Spring Data can greatly reduce the amount of "boilerplate" code typically needed for data access.
- C. Spring Data cannot be used together with Spring MVC.
- D. Spring Data implementations exist for many data storage types, such as MongoDB, Neo4j, and Redis.
- E. Spring Data works by applying the JPA annotations to data stores such as MongoDB, Neo4j, and Redis.
Answer: A,B
NEW QUESTION # 35
Refer to the exhibit.
Which two statements are correct regarding auto-configuration of DataSource and JdbcTemplate beans given a Spring Boot application with only these two dependencies? (Choose two.)
- A. A DataSource bean will be auto-configured.
- B. A JdbcTemplate bean will not be auto-configured.
- C. A DataSource bean will be auto-configured only if a JdbcTemplate bean is explicitly defined.
- D. A JdbcTemplate bean will be auto-configured.
- E. A DataSource bean will not be auto-configured.
Answer: A,D
NEW QUESTION # 36
What's the password storage format when using the DelegatingPasswordEncoder?
- A. encodedPassword{id}, where {id} is an identifier used to look up which PasswordEncoder should be used.
- B. {timestamp}encodedPassword, where {timestamp} is the time when the password was encoded.
- C. {id}{salt}encodedPassword, where {id} is an identifier used to look up which PasswordEncoder should be used and {salt} a randomly generated salt.
- D. {id}encodedPassword, where {id} is an identifier used to look up which PasswordEncoder should be used.
Answer: D
Explanation:
https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/crypto/password/DelegatingPasswordEncoder.html
NEW QUESTION # 37
In which three ways are Security filters used in Spring Security? (Choose three.)
- A. To provide a logout capability.
- B. To provide risk governance.
- C. To encrypt data.
- D. To manage application users.
- E. To drive authentication.
- F. To enforce authorization (access control).
Answer: A,E,F
NEW QUESTION # 38
Which two statements are true about Spring AOP? (Choose two.)
- A. There are in total 4 types of advice, @Before, @After, @AfterReturning and @AfterThrowing.
- B. In Spring AOP, a join point represents a method execution or property access.
- C. Examples of cross-cutting concerns include security, caching, transaction.
- D. The @After advice type is invoked regardless of whether a method successfully returned or an exception was thrown.
- E. Spring AOP does not use AspectJ's pointcut expression language.
Answer: C,D
NEW QUESTION # 39
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. User details can be stored in a database, in LDAP, or in-memory.
- C. The user details includes username and password but not authorities.
- D. Passwords must be hashed and the default hashing algorithm is MD5.
- E. User details can be stored in custom storage and retrieve them by implementing the UserDetailsService interface.
Answer: A,C
NEW QUESTION # 40
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