- what is a Region ?
- What is availablity zone [AZ] ?
- What is IAM ?
- What is policy ?
- What is an IAM role
- What is s3 and why do we use it ?
- what is a bucket ?
- can we have 2 buckets with same name ?
- what is storage limit of s3
- what are different storage classes in s3 ?
- What are lifecycle policies ?
- Which one can you host with s3 only - dynamic or static site ? and how ?
- what is a virtual machine ? what is ec2 ? why it is used ?
- what are different pricing modes for ec2 ? Explain each one
- what are different instance families in ec2. ? When to use which instance family , explain with examples .
- what is elastic IP, what is difference ec2 public ip and Elastic IP
- Explain pricing of Elastic IP
- how to increase CPU/RAM of ec2 instance/ how to change instance size of ec2 instance ?
- you got an e-mail of hardware degradation from amazon and they are retiring your ec2 instance, how do you tackle this ?
- what is an AMI
- can you share your AMI publicly or with another AWS account
- What is an security group
- Difference between security group and NACL
- What is a key-pair/Pem file in EC2.
- How to recover an Lost Pem file/ Key-pair
- What is ec2 User-Data ?
- What is shutdown / Hibernate / Terminate option in EC2
- can you add multiple security groups in ec2 ?
- What is EBS ? Explain usage
- what are different type of EBS ?
- what is Block based storage ?
- What is object based storage ?
- what is IOPS ?
- How many IOPS are available in GP2
- What is provisoned IOPS and when to use it ?
- What is instance store ?
- EBS vs Instance store ?
- What is EFS? Explain Benefits ?
- What is load balancer ? why do we use it ?
- Explain CLB, ALB, NLB
- What is load balacer stickiness ?
- What is Cross-Zone load balancing ?
- What are health checks in Load Balancers ?
- What are listeners ?
- What are target groups in ALB ?
- CLB vs ALB vs NLB
- What is an ASG ?
- What is Launch config ?
- Explain Minimum , Maximum and Desired capacity in an ASG .
- What are different scaling policies ?
- Can you recieve traffice from a load balancer in ASG
- How do you deploy code to ASG ?