Quiz on AOP, JPA, and Hibernate

What does AOP stand for?

• Abstract-Oriented Programming

• Algorithm-Oriented Programming

• Aspect-Oriented Programming

• Application-Oriented Programming

Which of the following is NOT a key concept of AOP?

• Aspect

• Join Point

• Pointcut

• Entity Manager

What is the purpose of the 'Advice' in AOP?

• To specify the action taken at a join point

• To define where the aspect should be applied

• To manage the lifecycle of entities

• To encapsulate cross-cutting concerns

In JPA, what does the term 'Entity' refer to?

• A programming paradigm

• A lightweight, persistent domain object

• A type of query

• A database table

Which of the following is an example of an Embeddable type?

• Book

• User

• Address

• Employee

What does the 'EntityManager' do in JPA?

• Manages the lifecycle of aspects

• Handles persistence operations

• Creates database connections

• Defines the structure of entities

Which of the following is a characteristic of the Persistence Context?

• It defines the scope of entity management

• It is only used for logging

• It is a type of database

• It cannot track changes

What is JPQL used for?

• To manage transactions

• To create database tables

• To define aspects

• To query entities in JPA

Which of the following is a state of an entity in JPA?

• Immutable

• Dynamic

• Static

• Transient

What does the 'merge' method do in EntityManager?

• Creates a new entity

• Removes an entity from the database

• Finds an entity by its primary key

• Merges a detached entity with the persisted state