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What is the default scope of a Spring Bean?

  • Prototype
  • Singleton
  • Request
  • Session
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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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How can you enable CORS in a Spring Boot application?

  • Using @CrossOrigin
  • Using @EnableCors
  • Using @CorsMapping
  • Using application.properties
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Which annotation is used to enable Spring Boot's auto-configuration feature?

  • @Configuration
  • @EnableAutoConfiguration
  • @ComponentScan
  • @SpringBootApplication
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Which annotation in Spring Boot can be used to test a Spring Boot application?

  • @RunWith
  • @SpringBootTest
  • @Test
  • @Before
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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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What does the @SpringBootApplication annotation do?

  • Combines @Configuration
  • Enables auto-configuration
  • Enables component scanning
  • All of the above
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Which annotation is used to define a repository in Spring Data JPA?

  • @Repository
  • @Component
  • @Service
  • @RestController
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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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How can you secure a Spring Boot application?

  • Using Spring Security
  • Using SSL
  • Using JWT
  • All of the above
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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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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 default logging framework in Spring Boot?

  • Log4j
  • SLF4J
  • Logback
  • JUL
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What is Spring Boot?

  • A framework
  • A library
  • A programming language
  • A database
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Which starter would you use for a Spring Boot web application?

  • spring-boot-starter-data-jpa
  • spring-boot-starter-web
  • spring-boot-starter-security
  • spring-boot-starter-test
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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 handle exceptions in a Spring Boot application?

  • Using @RestController
  • Using @ControllerAdvice
  • Using @Service
  • Using @Repository
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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 specify the port for a Spring Boot application?

  • server.port
  • application.port
  • server.portnumber
  • server.connection.port
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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 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 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 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 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 Spring Boot annotation is used for filtering HTTP requests?

  • @Filter
  • @RequestFilter
  • @WebFilter
  • @ControllerFilter
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Which Spring Boot annotation is used to handle RESTful web services?

  • @RestController
  • @Controller
  • @Service
  • @Repository
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How can you configure a data source in Spring Boot?

  • Using application.properties
  • Using application.yml
  • Using DataSourceConfig class
  • All of the above
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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 class is the entry point of a Spring Boot application?

  • Main class
  • SpringApplication
  • ApplicationConfig
  • BootApplication
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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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