Who should take the VMware Spring Professional 2021

The Spring Professional certification is designed to test and validate your understanding of and familiarity with core aspects of Spring and Spring Boot such as: Configuration, Component-scanning, AOP, Data access and Transactions, REST, Spring Security, Auto-configuration, Actuator, Spring Boot Testing.

Understanding functional and technical aspects of VMware Spring Professional 2021 Data Management: JDBC, Transactions

The following will be discussed in VMWARE EDU-1202 exam dumps:

• How are you going to define a transaction in Spring?
• How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?
• What does @Transactional do? What is the PlatformTransactionManager?
• What happens if one @Transactional annotated method is calling another @Transactional annotated method inside a same object instance?
• Are you able to participate in a given transaction in Spring while working with JPA?
• What is the difference between checked and unchecked exceptions? - Why does Spring prefer unchecked exceptions? - What is the Spring data access exception hierarchy?
• When does the JDBC template acquire (and release) a connection, for every method called or once per template? Why?
• What is a callback? What are the JdbcTemplate callback interfaces that can be used with queries? What is each used for? (You would not have to remember the interface names in the exam, but you should know what they do if you see them in a code sample).
• What is the default rollback policy? How can you override it?
• Is a transaction a cross cutting concern? How is it implemented by Spring?
• Can you execute a plain SQL statement with the JDBC template?
• What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
• How does transaction propagation work?
• What does declarative transaction management mean?
• What is the Template design pattern and what is the JDBC template?
• What is @EnableTransactionManagement for?
• What is a transaction? What is the difference between a local and a global transaction?
• Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
• How do you configure a DataSource in Spring?
• What is the default rollback policy in a JUnit test, when you use the @RunWith(SpringJUnit4ClassRunner.class) in JUnit 4 or @ExtendWith(SpringExtension.class) in JUnit 5, and annotate your @Test annotated method with @Transactional?
• Is the JDBC template able to participate in an existing transaction?
• Which PlatformTransactionManager(s) can you use with JPA?

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Understanding functional and technical aspects of VMware Spring Professional 2021 Container, Dependency and IOC

The following will be discussed in VMWARE EDU-1202 exam dumps pdf:

• What can you reference using SpEL?
• What is a proxy object and what are the two different types of proxies Spring can create? - What are the limitations of these proxies (per type)? - What is the power of a proxy object and where are the disadvantages?
• Why are you not allowed to annotate a final class with @Configuration - How do @Configuration annotated classes support singleton beans? - Why can't @Bean methods be final either?
• Can you describe the lifecycle of a Spring Bean in an ApplicationContext?
• How are you going to create an ApplicationContext in an integration test?
• How are you going to create a new instance of an ApplicationContext?
• Can you use @Bean together with @Profile?
• What do they do? When are they called? - What is an initialization method and how is it declared on a Spring bean? - What is a destroy method, how is it declared and when is it called? - Consider how you enable JSR-250 annotations like @PostConstruct and @PreDestroy?
• What is the default bean id if you only use @Bean? How can you override this?
• What is a BeanPostProcessor and how is it different to a BeanFactoryPostProcessor?
• Where can properties in the environment come from - there are many sources for properties - check the documentation if not sure. Spring Boot adds even more.
• How do you configure profiles? What are possible use cases where they might be useful?
• Can you use @Component together with @Profile?
• How does the @Qualifier annotation complement the use of @Autowired?
• What is dependency injection and what are the advantages of using it?
• What does component-scanning do?
• What is the Environment abstraction in Spring?
• What is the difference between $ and # in @Value expressions?
• When/how will they get called? - How else can you define an initialization or destruction method for a Spring bean?
• What is a property source? How would you use @PropertySource?
• What is a BeanFactoryPostProcessor and what is it used for? When is it invoked? - Why would you define a static @Bean method when creating your own BeanFactoryPostProcessor? - What is a PropertySourcesPlaceholderConfigurer used for?
• What is an interface and what are the advantages of making use of them in Java?
• How do you inject scalar/literal values into Spring beans? - What is @Value used for?
• What is Spring Expression Language (SpEL for short)?
• What is an ApplicationContext?
• Are beans lazily or eagerly instantiated by default? How do you alter this behavior?
• What is the behavior of the annotation @Autowired with regards to field injection, constructor injection and method injection?
• What does the @Bean annotation do?
• How many profiles can you have?
• What is the preferred way to close an application context? Does Spring Boot do this for you? - Dependency injection using Java configuration? - Dependency injection using annotations (@Autowired)? - Component scanning, Stereotypes? - Scopes for Spring beans? What is the default scope?

VMware EDU-1202 Exam Syllabus Topics: