1. What is S3?
  2. What is the relation between the Availability Zone and Region?
  3. What is auto-scaling?
  4. What is a DDoS attack, and what services can minimize them?
  5. Name AWS services which are not region-specific
  6. What is the difference between stopping and terminating an EC2 instance?
  7. What is Solaris?
  8. What is AIX?
  9. How do you allow a user to gain access to a specific bucket?
  10. What are the factors to consider while migrating to Amazon Web Services?
  11. How is AWS CloudFormation different from AWS Elastic Beanstalk?
  12. How can you automate EC2 backup using EBS?
  13. What is the difference between EBS and Instance Store?
  14. What are the different types of load balancers in AWS?
  15. What is the difference between an IAM role and an IAM user?
  16. Can AWS Config aggregate data across different AWS accounts?
  17. Which type of scaling would you recommend for RDS and why?
  18. What are the consistency models in DynamoDB?
  19. If you need to perform real-time monitoring of AWS services and get actionable insights, what service would you use?
  20. Which AWS service lets you run code without provisioning or managing servers?
  21. What is Connection Draining?
  22. What is a Power User Access in AWS?
  23. What are Recovery Time Objective and Recovery Point Objective in AWS?
  24. Can you change the Private IP Address of an EC2 instance while it is running or in a stopped state?
  25. What is Cross Region Replication?
  26. What is CloudFront?
  27. What is the minimum and maximum size that you can store in S3?
  28. What are EBS Volumes?
  29. What is an EIP?
  30. What are the different storage classes in S3?
  31. What is a snowball?
  32. What is a Load Balancer?
  33. What is Redshift?
  34. Explain SNS
  35. What is Amazon EMR?
  36. What is the use of lifecycle hooks in Autoscaling?
  37. What is Amazon Kinesis Firehose?
  38. How will you access the data on EBS in AWS?
  39. What are the differences between horizontal scaling and vertical scaling?
  40. Explain Amazon Transfer Acceleration Service
  41. What is a subnet?
  42. What are NAT Gateways?
  43. How many Elastic IPs can you create?
  44. What are policies?
  45. What are edge locations in AWS?
  46. What is Elastic Block Store?
  47. What is Identity Access Management?
  48. What is Route53?
  49. What is AWS Lambda?