What is the difference between stateless and stateful microservices?
Top 50 Microservices Interview Questions
Microservices have emerged as a transformative architectural approach, enabling organizations to build scalable, resilient, and agile systems. In this article, we will see some important microservices interview questions.
Top 50 Microservices Interview Questions
- 1. What are microservices?
- 2. What are the benefits of using microservices architecture?
- 3. How do microservices communicate with each other?
- 4. What is the difference between monolithic and microservices architecture?
- 5. Explain service discovery in microservices.
- 6. How do you handle data consistency in microservices?
- 7. What is the API Gateway pattern?
- 8. Name some popular tools for building microservices.
- 9. Explain the Circuit Breaker pattern.
- 10. What is the role of a container in microservices architecture?
- 11. How can you ensure security in microservices?
- 12. What is the purpose of a configuration management tool in microservices?
- 13. Explain blue-green deployment in microservices.
- 14. What is the role of a container orchestration tool?
- 15. How can microservices help achieve continuous delivery?
- 16. What is serverless computing, and how does it relate to microservices?
- 17. Explain the difference between synchronous and asynchronous communication in microservices.
- 18. How can you handle distributed transactions in microservices?
- 19. What is event sourcing?
- 20. What is a micro frontends architecture?
- 21. Explain the Strangler Pattern.
- 22. How do you ensure data integrity between microservices?
- 23. What is the role of a service mesh in microservices architecture?
- 24. Explain the concept of resilience in microservices.
- 25. What are idempotent operations, and why are they important in microservices?
- 26. What is a container image, and how does it differ from a virtual machine?
- 27. Explain the concept of eventual consistency in microservices.
- 28. What is API versioning, and why is it important in microservices?
- 29. How can you achieve fault tolerance in microservices architecture?
- 30. Explain the role of a reverse proxy in microservices architecture.
- 31. What is the purpose of a message broker in microservices communication?
- 32. How does the Bulkhead pattern contribute to system resilience in microservices?
- 33. Explain the concept of choreography vs. orchestration in microservices communication.
- 34. What is the role of centralised logging and monitoring in microservices architecture?
- 35. How can you handle cross-cutting concerns like logging and authentication in microservices?
- 36. What is the difference between stateless and stateful microservices?
- 37. How does the CAP theorem relate to a microservices architecture?
- 38. Explain the role of a container registry in microservices development.
- 39. What is the 12-factor app methodology, and why is it relevant to microservices?
- 40. How can you manage database changes and migrations in microservices?
- 41. What is the role of API documentation in microservices architecture?
- 42. How do you handle inter-service communication timeouts and retries?
- 43. Explain the concept of a bounded context in Domain-Driven Design and its relevance to microservices.
- 44. What is the role of domain events in microservices communication?
- 45. How can you ensure data privacy and compliance in microservices architecture?
- 46. Explain the concept of a serverless microservices architecture.
- 47. What is the role of containerization orchestration platforms like Kubernetes in microservices deployment?
- 48. How do you design microservices for resiliency in the face of network failures?
- 49. How do you design microservices to scale effectively and ensure optimal performance under varying loads?
- 50. Microservices operate in a distributed environment where failures are inevitable. How do you design microservices to be resilient and fault-tolerant?