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What is the use of the application.properties file in Spring Boot?

  • To configure database
  • To configure application settings
  • To configure server settings
  • All of the above
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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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Which annotation is used to map HTTP GET requests onto specific handler methods?

  • @Get
  • @GetMapping
  • @RequestMapping
  • @Mapping
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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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How do you handle data validation in Spring Boot?

  • Using @Valid
  • Using @Validated
  • Using @Valid and @Validated
  • Using @DataValid
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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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What is Spring Boot DevTools?

  • A development tool suite
  • A plugin
  • A testing tool
  • A monitoring tool
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How can you enable CORS in a Spring Boot application?

  • Using @CrossOrigin
  • Using @EnableCors
  • Using @CorsMapping
  • Using application.properties
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What is the use of @PathVariable in Spring Boot?

  • To extract values from URI
  • To map HTTP request body
  • To inject beans
  • To configure application properties
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Which starter is used for testing Spring Boot applications?

  • spring-boot-starter-test
  • spring-boot-starter-web
  • spring-boot-starter-data-jpa
  • spring-boot-starter-security
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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 can you implement pagination in Spring Boot?

  • Using Pageable
  • Using PageRequest
  • Using PagingAndSortingRepository
  • All of the above
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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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How can you include a dependency in a Spring Boot project?

  • By adding it to application.properties
  • By adding it to application.yml
  • By adding it to pom.xml or build.gradle
  • By adding it to application.conf
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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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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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What is the default scope of a Spring Bean?

  • Prototype
  • Singleton
  • Request
  • Session
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How can you define a custom banner in Spring Boot?

  • Using banner.txt
  • Using banner.properties
  • Using application.properties
  • Using customBanner.txt
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How can you monitor a Spring Boot application?

  • Using Spring DevTools
  • Using Spring Actuator
  • Using Spring Boot CLI
  • Using Spring Boot Dashboard
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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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What does the @SpringBootApplication annotation do?

  • Combines @Configuration
  • Enables auto-configuration
  • Enables component scanning
  • All of the above
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What is Spring Boot?

  • A framework
  • A library
  • A programming language
  • A database
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How do you run a Spring Boot application?

  • java run
  • mvn spring-boot
  • java -jar
  • mvn install
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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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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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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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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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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 do you enable asynchronous processing in Spring Boot?

  • Using @Async
  • Using @EnableAsync
  • Using @EnableAsynchronous
  • Both @Async and @EnableAsync
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Which annotation is used to enable Spring Boot's auto-configuration feature?

  • @Configuration
  • @EnableAutoConfiguration
  • @ComponentScan
  • @SpringBootApplication
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