AWS Interview Questions

- Diff between Security group vs NACL? So tell me Inbound/Outbound traffic?

- Tell me diff between NAT gateway vs Internet gateway?

- While creating VPC what all components you need to create?

- How did you choose EC2 instance types according to your use case?

- Explain scenario where you used S3 for hosting an application?

- Explain Scenario for S3 use cases across your project? (Like, logs, images)

- What is object lock in S3?

- How would you configure SNS? (Explain Topic, Pub/sub, etc)

- What is Elastic IP's & how it helps you in your project?

- In Canary deployment how would you redirect traffic using Route 53? which routing policy you will use?

-. Tell me more about Gaurduty and CloudTrail? How did they benefit you?

-. What is Control Tower? and why does it helps in governance and compliance?

-. What is S3 versioning and how it helps?

- What is the cross account IAM role?

- How did you get benefit by using User data while provisioning an EC2 instance?

- What is 2/2 status check in EC2?

- How did you troubleshoot auto scaling group failure?

- Diff between Vertical scaling vs horizontal scaling?

- How can two EC2 instances communicate with each other using private IPs without relying on the internet?

- What are the different ways to connect multiple VPC's?

- How can you automate paching of EC2 instances

- What is X ray service?

- Explain AWS Code commit?

- Types of API in API gateway?