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Things You Should Know about the VMware 2V0-72.22 Exam
To become a VMware Certified Professional, you need to be able to show that you can produce an outstanding career. The most popular way to do this is by taking the VMware 2V0-72.22 exam.
This test is designed to help you gain experience in the field of virtualization, which is very important in today's business world. If you are planning on taking the exam, there are a few things that you need to know about it.
The first thing that you need to know about this test is that it is very difficult. It requires a lot of dedication and patience on the part of the student because it takes a lot of time and effort. In addition, the questions have a lot of detail and are hard to understand at times. VMware 2V0-72.22 exam dumps are the key of success.
Another thing that students who take this test should know is that there are different types of questions that they will have to deal with when they take it. They include multiple choice questions as well as open-ended questions that require them to put their thoughts into words. This can be very frustrating if they don't know what they're doing but it's also something that can be learned from taking practice exams before taking the real thing.
NEW QUESTION # 35
Which two use cases can be addressed by the method level security annotation @PreAuthorize? (Choose two.)
- A. Allow access to a method based on roles.
- B. Allow access to a method based on the returned object.
- C. Allow access to a method based on request URL.
- D. Allow access to a method based on HTTP method.
- E. Allow access to a method based on user identity.
Answer: A,D
NEW QUESTION # 36
Which three dependencies are provided by the spring-boot-starter-test? (Choose three.)
- A. Junit
- B. EasyMock
- C. spring-test
- D. Cucumber
- E. Hamcrest
- F. PowerMock
Answer: A,B,E
NEW QUESTION # 37
Which three types of objects can be returned form a JdbcTemplate query? (Choose three.)
- A. Properties
- B. XMLObject
- C. Simple types (int, long, String, etc)
- D. Generic MapS
- E. JSONObject
- F. User defined types
Answer: A,C,F
NEW QUESTION # 38
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. An external monitoring system must be used with Actuator.
- D. Custom metrics can be measured using Meter primitives such as Counter, Gauge, Timer, and DistributionSummary.
- E. The metrics endpoint /actuator/metrics is exposed over HTTP by default.
Answer: A,D
Explanation:
Custom metrics can be measured using Meter primitives such as Counter, Gauge, Timer, and DistributionSummary: Spring Boot Actuator Metrics allows you to define and measure custom metrics using various Meter primitives. These primitives include Counter (counting occurrences), Gauge (providing a current value), Timer (measuring the time taken for a task), and DistributionSummary (collecting and summarizing distribution statistics).
NEW QUESTION # 39
Which two options are REST principles? (Choose two.)
- A. RESTful applications use a stateless architecture.
- B. RESTful applications cannot use caching.
- C. RESTful applications favor tight coupling between the clients and the servers.
- D. RESTful application servers keep track of the client state.
- E. RESTful application use HTTP headers and status codes as a contract with the clients.
Answer: A,E
NEW QUESTION # 40
Refer to the exhibit.
Which statement is true? (Choose the best answer.)
- A. A class that implements CustomerRepository must be implemented and declared as a Spring Bean.
- B. JPA annotations are required on the Customer class to successfully use Spring Data JDBC.
- C. CustomerRepository should be a class, not an interface.
- D. An implementation of this repository can be automatically generated by Spring Data JPA.
Answer: D
NEW QUESTION # 41
Which two statements about the @Autowired annotation are true? (Choose two.)
- A. @Autowired fields are injected after any config methods are invoked.
- B. @Autowired can be used to inject references into BeanPostProcessor and
- C. Multiple arguments can be injected into a single method using @Autowired.
- D. By default, if a dependency cannot be satisfied with @Autowired, Spring throws a RuntimeException.
- E. If @Autowired is used on a class, field injection is automatically performed for all dependencies.
Answer: B,C
Explanation:
BeanFactoryPostProcessor.
NEW QUESTION # 42
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: A
Explanation:
http://effcode.com/spring/returning-no-content-204-from-spring-controller/
NEW QUESTION # 43
What are the two reasons Spring be used to build a Java application? (Choose two.)
- A. Spring automates deployment of Java applications to all of the major cloud providers.
- B. Spring automates a Java application build.
- C. Spring provides a Dependency Injection container.
- D. Spring provides comprehensive Java IDE support.
- E. Spring provides abstractions over infrastructure such as persistence and messaging.
Answer: B,C
NEW QUESTION # 44
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 # 45
Refer to the exhibit.
What is the id/name of the declared bean in this Java configuration class? (Choose the best answer.)
- A. ClientService (starting with uppercase "C")
- B. clientService (starting with lowercase "c")
- C. clientServiceImpl (starting with lowercase "c")
- D. clientServiceImpl (starting with uppercase "C")
Answer: A
NEW QUESTION # 46
Which three types of objects can be returned form a JdbcTemplate query? (Choose three.)
- A. XMLObject
- B. Simple types (int, long, String, etc)
- C. Generic MapS
- D. Properties
- E. JSONObject
- F. User defined types
Answer: B,C,F
Explanation:
The JdbcTemplate class provides various methods to execute queries and manipulate the query results. Depending on the query and the expected result type, we can choose from the following three types of objects that can be returned from a JdbcTemplate query:
A . Generic Maps
This is true because the JdbcTemplate.queryForList method returns a List of Map objects, where each Map represents a row of the query result. The Map keys are the column names and the Map values are the column values1. For example:
List<Map<String, Object>> results = jdbcTemplate.queryForList("SELECT * FROM EMPLOYEE"); for (Map<String, Object> row : results) { System.out.println(row.get("NAME") + " " + row.get("SALARY")); } B . Simple types (int, long, String, etc) This is true because the JdbcTemplate.queryForObject method can return a single value of a simple type, such as int, long, String, etc. This method is useful for running queries that return a single row and a single column2. For example:
int count = jdbcTemplate.queryForObject("SELECT COUNT(*) FROM EMPLOYEE", Integer.class); System.out.println("Number of employees: " + count); D . User defined types This is true because the JdbcTemplate.query method can return a List of user defined types, such as custom classes or beans. This method takes a RowMapper as an argument, which is an interface that maps each row of the query result to an instance of the user defined type3. For example:
public class Employee { private String name; private int salary; // getters and setters } public class EmployeeRowMapper implements RowMapper<Employee> { @Override public Employee mapRow(ResultSet rs, int rowNum) throws SQLException { Employee employee = new Employee(); employee.setName(rs.getString("NAME")); employee.setSalary(rs.getInt("SALARY")); return employee; } } List<Employee> employees = jdbcTemplate.query("SELECT * FROM EMPLOYEE", new EmployeeRowMapper()); for (Employee employee : employees) { System.out.println(employee.getName() + " " + employee.getSalary()); }
NEW QUESTION # 47
Spring Boot will find and load property files in which of the following? (Choose the best answer.)
- A. env.properties or env.yml, usually located in the classpath root.
- B. application.properties or application.yml, usually located in the classpath root.
- C. config.properties or config.yml, usually located in the classpath root.
- D. A *.properties file matching the name of the class annotated with @SpringBootApplication.
Answer: B
NEW QUESTION # 48
Refer to the exhibit.
What statement is true about @DirtiesContext?
- A. It will close the existing cached ApplicationContext and recreate a new one after the test method.
- B. It will close the existing cached ApplicationContext and recreate a new one before the test method.
- C. It will recreate only the Spring managed beans that are modified inside the test method.
- D. It will keep the existing cached ApplicationContext, all changes to Spring managed beans will be reverted after the test.
Answer: A
Explanation:
@DirtiesContext @Test void testProcessWhichDirtiesAppCtx() { // some logic that results in the Spring container being dirtied } Dirty the context after the current test method. https://docs.spring.io/spring-framework/reference/testing/annotations/integration-spring/annotation-dirtiescontext.html
NEW QUESTION # 49
Which two statements are correct regarding the Health Indicator status? (Choose two.)
- A. The severity order cannot be changed due to security reasons.
- B. The last status in a sorted list of HealthIndicators is used to derive the final system health.
- C. Custom status values can be created.
- D. The built-in status values are DOWN, OUT_OF_SERVICE, UNKNOWN, and UP in decreasing order of severity.
- E. The status with the least severity is used as the top-level status.
Answer: C,D
NEW QUESTION # 50
Which following statements are true about Spring Data? (Choose two.)
- A. Spring Data implementations exist for many data storage types, such as MongoDB, Neo4j, and Redis.
- B. Spring Data cannot be used together with Spring MVC.
- 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 is specifically designed for JPA, JDBC, and relational database access only.
Answer: A,D
Explanation:
Spring Data MongoDB https://spring.io/projects/spring-data-mongodb . Spring Data Neo4j https://spring.io/projects/spring-data-neo4j Spring Data Redis https://spring.io/projects/spring-data-redis For example: Spring Data Envers Optional<T> findById(ID primaryKey);
NEW QUESTION # 51
Refer to the exhibit.
The above code shows a conditional @Bean method for the creation of a JdbcTemplate bean. Which two statements correctly describe the code behavior? (Choose two.)
- A. A JdbcTemplate bean will be created when the DataSource class is in the classpath but there is no DataSource bean.
- B. The @Bean annotation should be removed.
- C. @ConditionalOnBean(name= "dataSource") should be replaced with @ConditionalOnBean (DataSource.class) for greater flexibility.
- D. @ConditionalOnBean(name= "dataSource") should be replaced with
@ConditionalOnMissingBean (DataSource.class) for greater flexibility. - E. A JdbcTemplate bean will be created when a bean named dataSource has already been created.
Answer: C,E
Explanation:
The @Bean annotation is used to declare a method that returns an object that should be registered as a bean in the application context. The @ConditionalOnBean annotation is used to specify a condition for the bean creation based on the presence or absence of other beans in the application context. The name attribute of this annotation can be used to specify the bean name or names that must be present or absent for the condition to match. However, this approach is less flexible than using the value or type attribute, which can specify the bean class or classes that must be present or absent for the condition to match. Therefore, it is recommended to use @ConditionalOnBean(DataSource.class) instead of @ConditionalOnBean(name= "dataSource") for greater flexibility.
The JdbcTemplate class is a Spring class that simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and extract results. To create a JdbcTemplate object, we need to pass a DataSource object as a constructor argument. The DataSource interface is a Java interface that represents a factory of connection objects. In this code, the jdbcTemplate() method takes a DataSource object as a parameter and returns a new JdbcTemplate object. This method is annotated with @Bean and @ConditionalOnBean(name= "dataSource"), which means that it will only create a JdbcTemplate bean when there is already a bean named dataSource in the application context.
NEW QUESTION # 52
Refer to the exhibit.
How can a Spring Bean be created from this LegacySingleton class?
- A. Return an instance of LegacySingleton using the new keyword from a @Bean method.
- B. It is not possible without modifying the LegacySingleton class, the constructor must be public.
- C. Call LegacySingleton.getInstance() from within a @Bean method and return the instance.
- D. Modify the LegacySingleton class by adding the @Autowired annotation to the instance variable.
Answer: C
NEW QUESTION # 53
Which two options are REST principles? (Choose two.)
- A. RESTful applications use a stateless architecture.
- B. RESTful applications cannot use caching.
- C. RESTful applications favor tight coupling between the clients and the servers.
- D. RESTful application servers keep track of the client state.
- E. RESTful application use HTTP headers and status codes as a contract with the clients.
Answer: A,E
Explanation:
REST stands for Representational State Transfer, which is an architectural style for designing web services that adhere to certain principles. One of these principles is statelessness, which means that each request from a client to a server must contain all the information necessary to understand the request, and that no session state is maintained on the server side. Another principle is uniform interface, which means that clients and servers communicate using a standardized protocol, such as HTTP, and use its features, such as headers and status codes, to exchange information about the resources and their representations.
NEW QUESTION # 54
Which two statements are correct regarding the @EnableAutoConfiguration annotation? (Choose two.)
- A. It ensures auto-configuration is applied before user-defined beans have been registered.
- B. It enables auto-configuration of the ApplicationContext by attempting to guess necessary beans.
- C. It is meta-annotation on the @SpringBootConfiguration composed annotation.
- D. It has the same effect regardless of the package of the class that is annotated with it.
- E. It is a meta-annotation on the @SpringBootApplication composed annotation.
Answer: B,E
Explanation:
Enable auto-configuration of the Spring Application Context, attempting to guess and configure beans that you are likely to need https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/autoconfigure/EnableAutoConfiguration.html
NEW QUESTION # 55
Which two statements are correct when @SpringBootApplication is annotated on a class? (Choose two.)
- A. Methods in the class annotated with @Bean will be ignored.
- B. All other annotations on the class will be ignored.
- C. A separate ApplicationContext will be created for each class annotated with
- D. Component scanning will start from the package of the class.
- E. It causes Spring Boot to enable auto-configuration by default.
Answer: D,E
Explanation:
@SpringBootApplication.
Explanation:
A . It causes Spring Boot to enable auto-configuration by default.
This is true because the @SpringBootApplication annotation includes the @EnableAutoConfiguration annotation, which enables Spring Boot's auto-configuration mechanism1. Auto-configuration attempts to automatically configure your Spring application based on the jar dependencies that you have added2.
B . Component scanning will start from the package of the class.
This is true because the @SpringBootApplication annotation includes the @ComponentScan annotation, which enables component scanning on the package where the application is located1. Component scanning allows Spring to automatically detect and register beans annotated with @Component, @Controller, @Service, @Repository, etc3.
NEW QUESTION # 56
What two options are auto-configured Spring Boot Actuator HealthIndicators? (Choose two.)
- A. DataSourceHealthIndicator
- B. OktaHealthIndicator
- C. RabbitHealthIndicator
- D. GoogleCloudDataStoreHealthIndicator
- E. DynamoDBHealthIndicator
Answer: A,C
NEW QUESTION # 57
Which two are required to use transactions in Spring? (Choose two.)
- A. Write a Spring AOP advice to implement transactional behavior.
- B. Annotate a class, an interface, or individual methods requiring a transaction with the @Transactional annotation.
- C. A class must be annotated with @Service and @Transaction.
- D. A class requiring a transaction must implement the TransactionInterceptor interface.
- E. Add @EnableTransactionManagement to a Java configuration class.
Answer: B,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 # 58
Which statement describes the @AfterReturning advice type? (Choose the best answer.)
- A. Typically used to prevent any exception, thrown by the advised method, from propagating up the call-stack.
- B. The advice is invoked only if the method returns successfully but not if it throws an exception.
- C. The @AfterReturning advice allows behavior to be added after a method returns even if it throws an exception.
- D. The advice has complete control over the method invocation; it could even prevent the method from being called at all.
Answer: B
NEW QUESTION # 59
......
To prepare for the VMware 2V0-72.22 certification exam, candidates should have a solid understanding of VMware Spring technologies and microservices-based application development. They should also have hands-on experience in using VMware Spring technologies to build and deploy applications. Additionally, candidates can take advantage of VMware's training and certification programs to prepare for the exam and increase their chances of passing it.
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