What algorithms are used in ELB and how it fuctions ? What is the use of Autoscaling Group ? How to design an infrastructure such that is highly available, secure and fault tolerant ? How do you accommodate large traffic during holiday seasons and what services you should deploy ? Difference between RDS and Dynamo DB ? What is the difference between NAS and SAN ? Describe about the DNS records in Route 53 ? What are the health checks present in ELB ? What are Security groups and NACL ? How to use them in the infrastructure ? How do you protect the SSH keys ? How do you do remote authentication ? How do you monitor the environment ?
