Microservices Brain Teaser Welcome to your Microservices Quiz 1. Microservices Bulkhead pattern is used to? Choose the correct answer.Deselect Answer Encrypt traffic Compress responses Increase CPU Isolate failures None Show Hint Limits impact of failures 2. Microservices ReplicaSet ensures? Choose the correct answer.Deselect Answer Desired pod count API routing Tracing Logging None 3. Microservices Which pattern enables eventual consistency? Choose the correct answer.Deselect Answer Saga Factory DAO MVC None 4. Microservices Blue-Green deployment keeps? Choose the correct answer.Deselect Answer Two databases Two JVMs Two production environments Two APIs None 5. Microservices Liveness Probe checks? Choose the correct answer.Deselect Answer Whether container should restart Database CPU usage Memory None Show Hint Health check 6. Microservices Spring Cloud Gateway is an example of? Choose the correct answer.Deselect Answer Cache Database API Gateway Broker None Show Hint Routes requests 7. Microservices What is service mesh? Choose the correct answer.Deselect Answer Broker Cache Database Infrastructure layer for service communication None 8. Microservices Istio is a? Choose the correct answer.Deselect Answer Gateway Queue Service Mesh Database None 9. Microservices Grafana is used for? Choose the correct answer.Deselect Answer Dashboards Deployment Compilation Security None Show Hint Visualization 10. Microservices Fallback methods are executed when? Choose the correct answer.Deselect Answer A service call fails Compilation fails Application starts Database initializes None Show Hint Provides alternative response 11. Microservices Readiness Probe checks? Choose the correct answer.Deselect Answer Whether app can receive traffic Logs RAM CPU None Show Hint Traffic readiness 12. Microservices Timeout configuration helps to? Choose the correct answer.Deselect Answer Avoid waiting forever Compile code Increase memory Encrypt data None Show Hint Improves resilience 13. Microservices Docker is primarily used for? Choose the correct answer.Deselect Answer Caching Logging Messaging Containerization None Show Hint Portable applications 14. Microservices What does Saga Pattern solve? Choose the correct answer.Deselect Answer Authentication Monitoring Distributed Transactions Caching None Show Hint Compensation transactions 15. Microservices Feign Client is mainly used for? Choose the correct answer.Deselect Answer Logging Database access REST communication Caching None Show Hint Declarative HTTP client 16. Microservices Retry pattern is useful for? Choose the correct answer.Deselect Answer Transient failures Compilation Syntax errors Authentication None Show Hint Temporary network issues 17. Microservices Netflix Eureka is primarily used for? Choose the correct answer.Deselect Answer Caching Service Discovery Logging Monitoring None Show Hint It registers service instances 18. Microservices Can each microservice have its own database? Choose the correct answer.Deselect Answer No Only Oracle Yes Only MySQL None Show Hint Database per service 19. Microservices Which object stores secrets? Choose the correct answer.Deselect Answer Deployment ConfigMap Service Secret None 20. Microservices Primary goal of microservices? Deselect Answer Independent deployment Tight coupling Single DB Monolith None 21. Microservices Namespace is used for? Choose the correct answer.Deselect Answer Caching Compilation Resource isolation Authentication None 22. Microservices Which pattern helps prevent cascading failures? Choose the correct answer.Deselect Answer Singleton Factory Circuit Breaker Adapter None Show Hint Used with Resilience4j 23. Microservices What is a Helm Chart? Choose the correct answer.Deselect Answer Docker image Namespace Package of Kubernetes resources JAR None 24. Microservices Which tool is commonly used for messaging? Choose the correct answer.Deselect Answer Tomcat Kafka Maven JUnit None Show Hint Event-driven architecture 25. Microservices Prometheus collects? Choose the correct answer.Deselect Answer Passwords Metrics Sessions Images None Show Hint Monitoring 26. Microservices Ingress in Kubernetes manages? Choose the correct answer.Deselect Answer Scheduling External HTTP access Logging Databases None Show Hint Traffic routing 27. Microservices Which communication style is synchronous? Choose the correct answer.Deselect Answer RabbitMQ REST API Kafka Event Streaming None Show Hint Request-response model 28. Microservices Kafka stores failed messages in? Choose the correct answer.Deselect Answer Cache Dead Letter Queue Registry Config Server None Show Hint DLQ 29. Microservices Deployment manages? Choose the correct answer.Deselect Answer Kafka Redis ReplicaSets Gateway None 30. Microservices Which component acts as the single entry point in a microservices architecture? Choose the correct answer.Deselect Answer API Gateway Service Registry Kafka Redis None Show Hint It routes client requests Loading questions... Loading questions... Please fill in the comment box below. Previous Start Quiz Next Time's up