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Which file is commonly used to configure a Spring Boot application?

  • application.yml
  • config.properties
  • application.properties
  • application.conf
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What is the use of @RequestParam in Spring Boot?

  • To extract query parameters
  • To map URI parameters
  • To configure request parameters
  • To inject beans
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How do you create a custom error page in Spring Boot?

  • By creating error.html
  • By creating error.jsp
  • By configuring application.properties
  • All of the above
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What is the default scope of a Spring Bean?

  • Prototype
  • Singleton
  • Request
  • Session
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Which annotation is used to define a repository in Spring Data JPA?

  • @Repository
  • @Component
  • @Service
  • @RestController
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What is the purpose of @RequestMapping in Spring Boot?

  • To map web requests
  • To map database requests
  • To configure security settings
  • To map application properties
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Which dependency is used for unit testing in Spring Boot?

  • spring-boot-starter-test
  • spring-boot-starter-data-jpa
  • spring-boot-starter-web
  • spring-boot-starter-security
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How can you define an in-memory database in Spring Boot?

  • Using application.properties
  • Using application.yml
  • Using H2 or HSQLDB dependency
  • All of the above
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Which annotation is used to enable scheduling in Spring Boot?

  • @Scheduled
  • @EnableScheduling
  • @EnableSchedule
  • @Schedule
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What is the use of @Transactional annotation in Spring Boot?

  • To manage transactions
  • To configure database
  • To handle security
  • To manage caching
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How can you reload Spring Boot application properties without restarting the server?

  • Using Spring DevTools
  • Using Spring Actuator
  • Using Spring Boot CLI
  • Using Spring Boot Dashboard
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Which annotation is used to enable Spring Boot's auto-configuration feature?

  • @Configuration
  • @EnableAutoConfiguration
  • @ComponentScan
  • @SpringBootApplication
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How can you implement pagination in Spring Boot?

  • Using Pageable
  • Using PageRequest
  • Using PagingAndSortingRepository
  • All of the above
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What is the purpose of Spring Boot Actuator?

  • To monitor applications
  • To manage applications
  • To expose operational endpoints
  • All of the above
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What is the default logging framework in Spring Boot?

  • Log4j
  • SLF4J
  • Logback
  • JUL
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What does the @RequestBody annotation do?

  • Binds the HTTP request body
  • Maps the HTTP request to a method
  • Binds a request parameter to a method argument
  • Binds a request header to a method argument
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Which Spring Boot annotation is used for filtering HTTP requests?

  • @Filter
  • @RequestFilter
  • @WebFilter
  • @ControllerFilter
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What is the use of the @JsonIgnore annotation in Spring Boot?

  • To ignore properties in JSON
  • To enable JSON serialization
  • To enable JSON deserialization
  • To configure JSON properties
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What is the use of @Cacheable annotation in Spring Boot?

  • To cache method results
  • To configure caching
  • To handle cache eviction
  • To manage cache configuration
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What is Spring Boot DevTools?

  • A development tool suite
  • A plugin
  • A testing tool
  • A monitoring tool
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What is the use of @ComponentScan in Spring Boot?

  • To scan components
  • To enable autowiring
  • To scan for Spring components
  • To enable caching
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Which file extension is used for Spring Boot application configuration in YAML format?

  • .yaml
  • .yml
  • .yaml and .yml
  • .properties
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What is the use of @Autowired in Spring Boot?

  • To enable autoconfiguration
  • To inject bean dependencies
  • To configure a component
  • To enable component scanning
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How do you create a Spring Boot project using the Spring Initializr?

  • By using the command line
  • By using a web interface
  • By using an IDE plugin
  • All of the above
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Which annotation is used to map HTTP GET requests onto specific handler methods?

  • @Get
  • @GetMapping
  • @RequestMapping
  • @Mapping
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How can you read application properties in Spring Boot?

  • Using @Value
  • Using @Autowired
  • Using @ConfigurationProperties
  • Both @Value and @ConfigurationProperties
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How do you handle data validation in Spring Boot?

  • Using @Valid
  • Using @Validated
  • Using @Valid and @Validated
  • Using @DataValid
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How can you secure a Spring Boot application?

  • Using Spring Security
  • Using SSL
  • Using JWT
  • All of the above
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How do you enable asynchronous processing in Spring Boot?

  • Using @Async
  • Using @EnableAsync
  • Using @EnableAsynchronous
  • Both @Async and @EnableAsync
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Which Spring Boot feature is used to externalize configuration?

  • Spring Boot CLI
  • Spring Cloud Config
  • Spring DevTools
  • Spring Boot Actuator
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