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 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).
- How does transaction propagation work?
- What is a transaction? What is the difference between a local and a global transaction?
- 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 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 are you going to define a transaction in Spring?
- Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
- What does @Transactional do? What is the PlatformTransactionManager?
- When does the JDBC template acquire (and release) a connection, for every method called or once per template? Why?
- Is a transaction a cross cutting concern? How is it implemented by Spring?
- What does declarative transaction management mean?
- What is @EnableTransactionManagement for?
- Can you execute a plain SQL statement with the JDBC template?
- How do you configure a DataSource in Spring?
- Which PlatformTransactionManager(s) can you use with JPA?
- How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?
- Is the JDBC template able to participate in an existing transaction?
- What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
- 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?
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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.
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For more info about VMware Spring Professional 2021
Understanding functional and technical aspects of VMware Spring Professional 2021 Spring Data JPA
The following will be discussed in VMWARE EDU-1202 exam dumps:
- What is a Spring Data Repository interface?
- What Spring Boot starter would you use for a Spring REST application?
- What is the @Controller annotation used for?
- What is the difference between @RequestMapping and @GetMapping?
- How are these annotations implemented?
- When do you need to use @ResponseBody?
- What is the naming convention for finder methods in a Spring Data Repository interface?
- How are Spring Data repositories implemented by Spring at runtime?
- What is @RequestParam used for?
- What are the HTTP status return codes for a successful GET, POST, PUT or DELETE operation?
- What is a security context?
- Why is the usage of mvcMatcher recommended over antMatcher?
- How do you define a Spring Data Repository interface? Why is it an interface not a class?
- Where do you need to use @ResponseBody? What about @RequestBody?
- What is the difference between @Controller and @RestController?
- What is a resource?
- Is @Controller a stereotype? Is @RestController a stereotype? - What is a stereotype annotation? What does that mean?
- Is REST secure? What can you do to secure it?
- Why do you need method security? What type of object is typically secured at the method level (think of its purpose not its Java type).
- What are the ready-to-use argument types you can use in a controller method?
- What are the differences between @RequestParam and @PathVariable?
- Does Spring Security support password encoding?
- What is the delegating filter proxy?
- What are some of the valid return types of a controller method?
- What does the pattern in an antMatcher or mvcMatcher do?
- Is security a cross cutting concern? How is it implemented internally?
- If you saw an example using RestTemplate, would you understand what it is doing?
- What is the security filter chain?
- Is REST scalable and/or interoperable?
- If you saw example Controller code, would you understand what it is doing? Could you tell if it was annotated correctly?
- What is an HttpMessageConverter?
- When do you need to use @ResponseStatus?
- What is @Query used for?
- What does REST stand for?
- What do @PreAuthorized and @RolesAllowed do? What is the difference between them?
- Which HTTP methods does REST use?
- How is an incoming request mapped to a controller and mapped to a method?
- In which security annotation, are you allowed to use SpEL?
- What are authentication and authorization? Which must come first?
