What is the role of a service mesh in microservices architecture?
A service mesh provides a dedicated infrastructure layer for handling service-to-service communication, offering features like load balancing, security, and observability. This is again one of the most asked microservices architecture interview questions.
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?