Spring Framework Spring Boot & Auto-Configuration 2

Question 1

What Spring Boot Actuator endpoint shows the health status of the application?

Accepted Answer

/actuator/health

Answer

The /actuator/health endpoint aggregates health indicators and returns the overall UP or DOWN status of the application.

Question 2

Which annotation conditionally registers a bean only if another specific bean is present?

Accepted Answer

@ConditionalOnBean

Answer

@ConditionalOnBean registers a bean in the context only if one or more specified beans are already present in the BeanFactory.

Question 3

In Spring Boot, what is the purpose of application profiles?

Accepted Answer

To load different configurations based on the active environment (dev, test, prod)

Answer

Spring profiles allow you to define environment-specific beans and configuration properties, activated via spring.profiles.active.

Question 4

What does the @SpringBootTest annotation do?

Accepted Answer

Loads the full application context for integration testing

Answer

@SpringBootTest bootstraps the complete Spring application context for integration tests, making it useful for testing end-to-end behavior.

Question 5

What property sets the embedded server port in Spring Boot?

Accepted Answer

server.port

Answer

The server.port property in application.properties configures the port that the embedded server (Tomcat by default) listens on.

Spring Framework Practice Test