Question: Which are valid steps to take to enable JPA in Spring Boot?

1. Add an @EnableJpaRepositories annotation to your configuration class and create a Spring Data Repository.
2. Add an @EnableJpaEntities annotation to your configuration class, create a Spring Data YAML configuration file, and manually update the Spring XML config files to define your repository locations.
3. Add an @EnableDbFunctionality annotation to your configuration class, create a Spring Data XML configuration file, and manually update the Spring factories file to define your repositories.
4. Add an @InitJpaEntities annotation to your configuration class, create a Spring Data properties configuration file, and manually update the Spring startup parameters to define your repository locations.

Answer: The correct answer of the above question is Option A:Add an @EnableJpaRepositories annotation to your configuration class and create a Spring Data Repository.