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Spring Boot Objective Questions and Answers

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Test your Spring Boot skills with carefully curated MCQs designed for real-world development and interview preparation. Focused on configuration, REST APIs, data access, security, and production-ready applications.

Practice Spring Boot MCQs with Detailed Explanations

Answer at least 12 questions to submit.

16.
Easy
Which annotation is used to mark a class as a JPA entity?
17.
Medium
What is Spring Boot Actuator mainly used for?
18.
Easy
Which profile is activated by default?
19.
Medium
What is the use of @Primary annotation?
20.
Medium
Which cache abstraction is supported by Spring Boot?
21.
Medium
What does @Transactional ensure?
22.
Easy
Which annotation maps HTTP GET requests?
23.
Medium
Which layer should contain business logic in a typical Spring Boot application?
24.
Medium
What is the default JSON library used by Spring Boot?
25.
Medium
Which annotation is used for asynchronous method execution?
26.
Hard
Which testing annotation loads only the web layer?
27.
Medium
What is the purpose of CommandLineRunner?
28.
Easy
Which dependency enables JPA support?
29.
Hard
What is the default fetch type for @ManyToOne?
30.
Hard
Which annotation marks a method as read-only transaction?
Answered: 0 / 15

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