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:

• What is the default rollback policy? How can you override it?
• 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?
• How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?
• Can you execute a plain SQL statement with the JDBC template?
• Is the JDBC template able to participate in an existing transaction?
• How does transaction propagation work?
• What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
• 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 Template design pattern and what is the JDBC template?
• What is the difference between checked and unchecked exceptions? - Why does Spring prefer unchecked exceptions? - What is the Spring data access exception hierarchy?
• What is @EnableTransactionManagement for?
• How are you going to define a transaction in Spring?
• What is a transaction? What is the difference between a local and a global transaction?
• What does @Transactional do? What is the PlatformTransactionManager?
• Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
• What happens if one @Transactional annotated method is calling another @Transactional annotated method inside a same object instance?
• Which PlatformTransactionManager(s) can you use with JPA?
• What does declarative transaction management mean?
• How do you configure a DataSource in Spring?
• Are you able to participate in a given transaction in Spring while working with JPA?
• Is a transaction a cross cutting concern? How is it implemented by Spring?

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Understanding functional and technical aspects of VMware Spring Professional 2021 Aspect-Oriented Programming (AOP)

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

• If shown pointcut expressions, would you understand them? - For example, in the course we matched getter methods on Spring Beans, what would be the correct pointcut expression to match both getter and setter methods?
• What is the concept of AOP? Which problem does it solve? What is a cross cutting concern? - Name three typical cross cutting concerns. - What two problems arise if you don't solve a cross cutting concern via AOP?
• How does Spring solve (implement) a cross cutting concern?
• What is a pointcut, a join point, an advice, an aspect, weaving?
• Which are the limitations of the two proxy-types? - What visibility must Spring bean methods have to be proxied using Spring AOP?
• How many advice types does Spring support? Can you name each one? - What are they used for? - Which two advices can you use if you would like to try and catch exceptions?
• What is a ProceedingJoinPoint? Which advice type is it used with?
• What is the JoinPoint argument used for?

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