Micronaut Theory Quiz

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Theory-based Micronaut concepts quiz.

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Swati Nikam

India

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Micronaut Theory Quiz


Micronaut Theory QuizOnline version Theory-based Micronaut concepts quiz. by Swati Nikam 1 In a startup scenario, a service needs a single shared configuration object across components. Which approach best ensures a single instance throughout the app lifecycle? a Use a singleton-scoped bean b Store in a static field c Create a new instance per request d Inject a new object each time 2 An endpoint must access user data from a path like /users/{id}. Which pattern helps reliably extract the id for business logic? a Bind the path variable to a method parameter b Use a global holder of IDs c Read from query string manually d Parse from request body 3 A data processor handles JSON requests and must return JSON responses. Which behavior ensures proper content negotiation and format consistency? a Configure produces/consumes to application/json b Always return XML c Skip content negotiation d Use text/plain only 4 During a test suite, you need a bean graph that mimics production behavior without starting the full application. What approach helps with this? a Disable dependency injection b Manually mock all dependencies c Run a full HTTP server d Leverage @MicronautTest to isolate components 5 A cached computation should be reused across requests, but invalidated on data changes. Which mechanism fits this requirement? a Lock data manually per request b Disable caching globally c Cache only static data d Apply a cache configuration and annotate the bean as cacheable 6 A controller must support custom queries for flexible filtering without altering endpoint signatures. What pattern supports this? a Use global variables b Hardcode all filters c Define @Query parameters for dynamic filtering d Parse filters from body 7 To optimize startup time, the app should initialize critical singletons eagerly. Which configuration enables this behavior? a Use lazy loading only b Delay bean initialization c Disable DI entirely d Enable eagerInitSingletons at startup 8 In a microservice, you need a shared cache region named 'my-cache' across instances. What setup ensures this scope? a Rely on default cache name b Annotate with @Cacheable without config c Configure @CacheConfig("my-cache") on the relevant bean d Use a local in-memory map only 9 The application must start with a specific environment profile to enable verbose logging. Which step achieves that? a Disable logging b Hardcode logs to console only c Use a non-environment based flag d Set defaultEnvironments("Logging_Profile") before start 10 A request handler must consume a file-like payload and immediately produce a transformed response without extra processing. Which approach is appropriate? a Read the payload as raw bytes only b Ignore request body and respond with status 200 c Use @Body to map payload and return a transformed object d Process in a separate thread with no response

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Micronaut Theory Quiz

Quiz

About this activity

Created by

Download the paper version to play

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Micronaut Theory QuizOnline version

by Swati Nikam

In a startup scenario, a service needs a single shared configuration object across components. Which approach best ensures a single instance throughout the app lifecycle?

An endpoint must access user data from a path like /users/{id}. Which pattern helps reliably extract the id for business logic?

A data processor handles JSON requests and must return JSON responses. Which behavior ensures proper content negotiation and format consistency?

During a test suite, you need a bean graph that mimics production behavior without starting the full application. What approach helps with this?

A cached computation should be reused across requests, but invalidated on data changes. Which mechanism fits this requirement?

A controller must support custom queries for flexible filtering without altering endpoint signatures. What pattern supports this?

To optimize startup time, the app should initialize critical singletons eagerly. Which configuration enables this behavior?

In a microservice, you need a shared cache region named 'my-cache' across instances. What setup ensures this scope?

The application must start with a specific environment profile to enable verbose logging. Which step achieves that?

A request handler must consume a file-like payload and immediately produce a transformed response without extra processing. Which approach is appropriate?