Microservices Brain Teaser Welcome to your Microservices Quiz 1. Microservices Timeout configuration helps to? Choose the correct answer.Deselect Answer Encrypt data Increase memory Compile code Avoid waiting forever None Show Hint Improves resilience 2. Microservices Spring Cloud Gateway is an example of? Choose the correct answer.Deselect Answer Broker Database API Gateway Cache None Show Hint Routes requests 3. Microservices Which service should own business logic? Choose the correct answer.Deselect Answer API Gateway Ingress Microservice Load Balancer None 4. Microservices What is API versioning used for? Choose the correct answer.Deselect Answer Backward compatibility Encryption Compression Caching None 5. Microservices What is a Helm Chart? Choose the correct answer.Deselect Answer Namespace Docker image JAR Package of Kubernetes resources None 6. Microservices Which HTTP status indicates service unavailable? Choose the correct answer.Deselect Answer 200 201 404 503 None 7. Microservices Blue-Green deployment keeps? Choose the correct answer.Deselect Answer Two APIs Two databases Two JVMs Two production environments None 8. Microservices Which object stores secrets? Choose the correct answer.Deselect Answer ConfigMap Service Secret Deployment None 9. Microservices Which protocol is commonly used by gRPC? Choose the correct answer.Deselect Answer HTTP/2 FTP SMTP HTTP/1.0 None 10. Microservices Rolling Update provides? Choose the correct answer.Deselect Answer Encryption Database migration Zero/low downtime deployments Caching None Show Hint Deployment strategy 11. Microservices Dockerfile defines? Choose the correct answer.Deselect Answer API routes Image build steps Logs Secrets None Show Hint Build instructions 12. Microservices Grafana is used for? Choose the correct answer.Deselect Answer Security Compilation Dashboards Deployment None Show Hint Visualization 13. Microservices Which HTTP method is idempotent? Choose the correct answer.Deselect Answer CONNECT GET POST PATCH None 14. Microservices Which component acts as the single entry point in a microservices architecture? Choose the correct answer.Deselect Answer Redis API Gateway Service Registry Kafka None Show Hint It routes client requests 15. Microservices Liveness Probe checks? Choose the correct answer.Deselect Answer Database CPU usage Whether container should restart Memory None Show Hint Health check 16. Microservices Readiness Probe checks? Choose the correct answer.Deselect Answer RAM Logs CPU Whether app can receive traffic None Show Hint Traffic readiness 17. Microservices Which tool manages Kubernetes packages? Choose the correct answer.Deselect Answer Maven Gradle Helm Ant None 18. Microservices Fallback methods are executed when? Choose the correct answer.Deselect Answer A service call fails Compilation fails Database initializes Application starts None Show Hint Provides alternative response 19. Microservices Ingress in Kubernetes manages? Choose the correct answer.Deselect Answer Logging Scheduling Databases External HTTP access None Show Hint Traffic routing 20. Microservices OpenTelemetry is mainly used for? Choose the correct answer.Deselect Answer Compilation ORM Observability Testing None Show Hint Metrics, traces and logs 21. Microservices Namespace is used for? Choose the correct answer.Deselect Answer Resource isolation Authentication Caching Compilation None 22. Microservices What is service mesh? Choose the correct answer.Deselect Answer Broker Cache Database Infrastructure layer for service communication None 23. Microservices Prometheus collects? Choose the correct answer.Deselect Answer Sessions Passwords Metrics Images None Show Hint Monitoring 24. Microservices Config Server provides? Choose the correct answer.Deselect Answer Caching Authentication Centralized logging Centralized configuration None Show Hint Shared configs 25. Microservices Docker is primarily used for? Choose the correct answer.Deselect Answer Containerization Logging Caching Messaging None Show Hint Portable applications 26. Microservices Which pattern enables eventual consistency? Choose the correct answer.Deselect Answer MVC DAO Saga Factory None 27. Microservices Deployment manages? Choose the correct answer.Deselect Answer ReplicaSets Redis Gateway Kafka None 28. Microservices Which communication style is synchronous? Choose the correct answer.Deselect Answer Event Streaming Kafka REST API RabbitMQ None Show Hint Request-response model 29. Microservices Kubernetes manages? Choose the correct answer.Deselect Answer Browsers Containers Source code Databases None Show Hint Container orchestration 30. Microservices Which library is commonly used for Circuit Breaker in Spring Boot? Choose the correct answer.Deselect Answer Hibernate Mockito Resilience4j JUnit None Show Hint Fault tolerance library Loading questions... Loading questions... Please fill in the comment box below. Previous Start Quiz Next Time's up
