DocDoc Devops Engineer interview questions

All AWS related questions like AWS ELB, Autoscaling, Certificates, ECS, SES, Dynamo DB, WAF, Shield, CloudFront. Then mostly grilled on Docker and containers. Tried to understand the basic design in Docker and containers. How Docker is different from VM. How Packer is different from Docker. When to use sticky session in ELB How to extend an EC2 instance volume What you will need before deploying a web application in the cloud. How will you automate the whole CI CD pipeline? Ho will you deploy an application in Docker and containers.