Spring Boot Online Quiz

Welcome to our Spring Boot Online Quiz Test tailored for beginners! This set of 25 multiple-choice questions is crafted to help you assess your foundational knowledge of Spring Boot, a powerful extension of the Spring framework aimed at simplifying the configuration and deployment of Spring applications. Dive in to test and expand your understanding of Spring Boot's core features, auto-configuration, and more. Perfect for reinforcing what you've learned and identifying areas for improvement.

1. What does Spring Boot aim to simplify in Spring applications?

a) Deployment processes
b) Development and configuration processes
c) Testing processes
d) Debugging processes

2. Which file is commonly used to configure properties in a Spring Boot application?

a) pom.xml
b) application.properties
c) springboot-config.xml
d) web.xml

3. What is the purpose of the @SpringBootApplication annotation in Spring Boot?

a) To enable security features
b) To configure SQL databases
c) To mark the main application class
d) To manage web controllers

4. What does the @EnableAutoConfiguration annotation do?

a) It explicitly disables automatic configuration
b) It enables automatic database migrations
c) It enables automatic configuration based on the classpath
d) It configures Spring Security settings automatically

5. Which dependency is essential to create a web application using Spring Boot?

a) spring-boot-starter-web
b) spring-boot-starter-data
c) spring-boot-starter-test
d) spring-boot-starter-aop

6. How do you run a Spring Boot application using Maven?

a) mvn spring-boot:start
b) mvn spring-boot:run
c) mvn spring-boot:deploy
d) mvn spring-boot:install

7. Which component is used by Spring Boot to expose Spring Data repositories over REST automatically?

a) Spring Data REST
b) Spring Data JPA
c) Spring MVC
d) Spring RESTTemplate

8. What does the @RestController annotation do?

a) It handles HTTP requests and responses
b) It creates JSP pages
c) It manages WebSocket connections
d) It configures Spring Data repositories

9. In Spring Boot, what is the primary purpose of the Actuator?

a) To monitor and manage the application
b) To improve performance
c) To provide external configuration
d) To handle form submissions

10. What type of file can be used to externalize configuration in Spring Boot besides application.properties?

a) application.yml
b) bootstrap.yml
c) config.xml
d) settings.xml

11. What is the spring-boot-starter-security dependency used for?

a) Implementing data access layers
b) Adding security to your application
c) Setting up logging
d) Managing application profiles

12. How can you define custom properties in Spring Boot?

a) Using the @Value annotation
b) With the @Entity annotation
c) By declaring them in the POM file
d) Using the @RestController annotation

13. What does the spring-boot-starter-test dependency include for testing?

a) JUnit, Spring Test, AssertJ
b) Selenium, JUnit, Mockito
c) Cucumber, Spring Test, JUnit
d) Spring MVC Test, JUnit, Mockito

14. What is a typical use case for the @Transactional annotation in Spring Boot?

a) To define the scope of a web session
b) To manage transaction boundaries within a service
c) To configure properties
d) To map web requests to controller methods

15. What role does the @ConfigurationProperties annotation play in Spring Boot?

a) It configures properties for security measures
b) It allows mapping of configuration sections to objects
c) It specifies configuration files to be loaded
d) It configures the port settings for embedded servers

16. What mechanism does Spring Boot provide for database migrations?

a) JPA/Hibernate
b) Flyway
c) JDBC Template
d) Spring Data

17. How do you specify which profiles to activate on startup in Spring Boot?

a) Using the @Profile annotation
b) Using the spring.profiles.active property
c) Through the @ActiveProfiles annotation
d) By setting the SPRING_PROFILES_ACTIVE environment variable

18. What is the purpose of the @Bean annotation in Spring Boot?

a) To declare a method that returns an object to be managed by the Spring container
b) To declare a method as a RESTful endpoint
c) To specify transaction management settings
d) To implement security protocols

19. Which Spring Boot starter would you use to work with JDBC databases?

a) spring-boot-starter-jdbc
b) spring-boot-starter-data-jpa
c) spring-boot-starter-web
d) spring-boot-starter-security

20. What feature does spring-boot-devtools provide?

a) Data encryption
b) Automatic restart and live reload capability
c) Dependency injection
d) Enhanced security features

21. What does the @Scheduled annotation do in Spring Boot?

a) It schedules tasks to run periodically
b) It configures scheduled database backups
c) It schedules user authentication processes
d) It provides scheduled log management

22. How do you expose a simple CRUD repository as a RESTful resource in Spring Boot?

a) Use the @RestController annotation
b) Extend CrudRepository and use @RepositoryRestResource
c) Apply the @Entity annotation
d) Implement the JpaRepository interface

23. What is the spring-boot-maven-plugin used for?

a) Enhancing the performance of Maven builds
b) Managing application dependencies
c) Building and packaging Spring Boot applications
d) Generating source code documentation

24. In Spring Boot, how can you handle application events?

a) Using the ApplicationListener interface
b) With the @EventListener annotation
c) Through the @HandleEvent annotation
d) By using the EventController class

25. What is the main advantage of using the spring-boot-starter-parent project?

a) It provides default security configurations
b) It offers a set of pre-defined Maven configurations
c) It enhances the application's scalability
d) It automates database management