As a Java developer, you must have enhanced your skills in service layer technologies, such as Core Java, Spring, Spring Boot, Microservices etc.  Undoubtedly, they are the most important for you. On the other hand, in order to work in an industry level project, you must have a good knowledge on data layer technologies, such as JPA or Hibernate or any ORM based technology. It is advisable that developers need much coding practice on ORM concepts rather than going through theoretical concepts again & again. In this article, we will be doing practice on 'JPA & Hibernate' in the form of MCQs that are frequently asked in the interviews. Certainly, you must find this article beneficial whether it is an interview