Architecture & Design Level Questions:
1. How would you design a highly available, fault-tolerant microservices architecture on AWS?
2. Explain your strategy for implementing disaster recovery across multiple AWS regions
3. How would you handle data consistency in a distributed system using AWS services?
4. Describe your approach to implementing a zero-downtime deployment strategy
Technical Deep Dive Questions:
5. Compare Lambda vs ECS vs EKS - when would you choose one over the others?
6. How do you handle security in AWS Lambda functions? Discuss IAM roles, VPC configuration, and secrets management
7. Explain the differences between SQS, SNS, and EventBridge - provide use cases for each
8. How would you implement caching strategies using ElastiCache and CloudFront?
Performance & Optimization:
9. What strategies have you used to optimize AWS Lambda cold starts?
10. How do you handle performance monitoring and troubleshooting in a distributed system?
11. Explain your experience with AWS auto-scaling policies and strategies
12. How do you optimize costs while maintaining performance in AWS?
Security & Compliance:
13. Describe your approach to implementing security controls in AWS
14. How do you handle encryption at rest and in transit?
15. Explain your experience with AWS WAF and Shield
16. How do you implement secure CI/CD pipelines in AWS?
Database & Storage:
17. Compare DynamoDB vs RDS - discuss scenarios for each
18. How do you handle database migrations and version control in AWS?
19. Explain your experience with different storage classes in S3
20. How do you implement backup and recovery strategies for databases?
Advanced Topics:
21. Explain your experience with AWS CDK and Infrastructure as Code
22. How do you implement service mesh patterns using AWS App Mesh?
23. Describe your experience with AWS container services and orchestration
24. How do you implement observability using AWS services?
Scenario-based Questions:
25. How would you troubleshoot a Lambda function that's timing out intermittently?
26. Describe how you would handle a sudden traffic spike in your application
27. How would you migrate a monolithic application to microservices on AWS?
28. What's your strategy for handling eventual consistency in DynamoDB?
