Microservices Brain Teaser Welcome to your Microservices Quiz 1. Microservices Fallback methods are executed when? Choose the correct answer.Deselect Answer Application starts Database initializes A service call fails Compilation fails None Show Hint Provides alternative response 2. Microservices JWT is commonly used for? Choose the correct answer.Deselect Answer Logging Monitoring Authentication Caching None 3. Microservices Can each microservice have its own database? Choose the correct answer.Deselect Answer No Yes Only MySQL Only Oracle None Show Hint Database per service 4. Microservices Feign Client is mainly used for? Choose the correct answer.Deselect Answer Caching Logging Database access REST communication None Show Hint Declarative HTTP client 5. Microservices What is API versioning used for? Choose the correct answer.Deselect Answer Backward compatibility Compression Caching Encryption None 6. Microservices Kafka stores failed messages in? Choose the correct answer.Deselect Answer Registry Dead Letter Queue Config Server Cache None Show Hint DLQ 7. Microservices Docker is primarily used for? Choose the correct answer.Deselect Answer Containerization Caching Logging Messaging None Show Hint Portable applications 8. Microservices Namespace is used for? Choose the correct answer.Deselect Answer Caching Authentication Resource isolation Compilation None 9. Microservices What does Saga Pattern solve? Choose the correct answer.Deselect Answer Authentication Distributed Transactions Monitoring Caching None Show Hint Compensation transactions 10. Microservices Which pattern helps prevent cascading failures? Choose the correct answer.Deselect Answer Singleton Circuit Breaker Factory Adapter None Show Hint Used with Resilience4j 11. Microservices Which Kubernetes object stores configuration? Choose the correct answer.Deselect Answer Pod Node ConfigMap ReplicaSet None 12. Microservices Which tool manages Kubernetes packages? Choose the correct answer.Deselect Answer Helm Ant Gradle Maven None 13. Microservices ReplicaSet ensures? Choose the correct answer.Deselect Answer Tracing API routing Desired pod count Logging None 14. Microservices What is service mesh? Choose the correct answer.Deselect Answer Infrastructure layer for service communication Broker Cache Database None 15. Microservices Readiness Probe checks? Choose the correct answer.Deselect Answer Whether app can receive traffic Logs RAM CPU None Show Hint Traffic readiness 16. Microservices Primary goal of microservices? Deselect Answer Monolith Independent deployment Single DB Tight coupling None 17. Microservices Grafana is used for? Choose the correct answer.Deselect Answer Security Dashboards Compilation Deployment None Show Hint Visualization 18. Microservices Dockerfile defines? Choose the correct answer.Deselect Answer Secrets API routes Logs Image build steps None Show Hint Build instructions 19. Microservices What is the primary benefit of microservices? Choose the correct answer.Deselect Answer Single WAR No APIs Independent deployment Single database None Show Hint Each service can be released independently 20. Microservices Which object stores secrets? Choose the correct answer.Deselect Answer Deployment ConfigMap Secret Service None 21. Microservices Deployment manages? Choose the correct answer.Deselect Answer ReplicaSets Redis Gateway Kafka None 22. Microservices Spring Cloud Gateway is an example of? Choose the correct answer.Deselect Answer Database Broker Cache API Gateway None Show Hint Routes requests 23. Microservices Timeout configuration helps to? Choose the correct answer.Deselect Answer Compile code Increase memory Avoid waiting forever Encrypt data None Show Hint Improves resilience 24. Microservices Which HTTP method is idempotent? Choose the correct answer.Deselect Answer CONNECT GET POST PATCH None 25. Microservices Prometheus collects? Choose the correct answer.Deselect Answer Passwords Sessions Metrics Images None Show Hint Monitoring 26. Microservices Sidecar pattern commonly uses? Choose the correct answer.Deselect Answer Database JDK Proxy container Scheduler None 27. Microservices Which service should own business logic? Choose the correct answer.Deselect Answer API Gateway Microservice Ingress Load Balancer None 28. Microservices What is a microservice? Choose the correct answer.Deselect Answer A UI framework An independently deployable service A database A JVM None Show Hint Think about service autonomy 29. Microservices Which tool is commonly used for messaging? Choose the correct answer.Deselect Answer JUnit Kafka Tomcat Maven None Show Hint Event-driven architecture 30. Microservices What is a Helm Chart? Choose the correct answer.Deselect Answer JAR Package of Kubernetes resources Docker image Namespace None Loading questions... Loading questions... Please fill in the comment box below. Previous Start Quiz Next Time's up