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|Interview Questions and Answers|
|Ans. Amazon Elastic Compute Cloud or EC2 provides scalable computing capacity in the AWS cloud. It can be used to create Virtual Environments , storage and configure. EC2 enables to upgrade or downgrade infrastructure according to the rules defined ( with fluctuation in latency, traffic etc )|
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|What are the factors on which price classes are based on in case of EC2, S3, CloudFront and EBS ?|
|What is the use case for "On Demand" EC2 ?|
|What is the use case for "Spot" EC2 plan ?|
|What are the different price options available for EC2 ?|
|What EC2 configuration would you use if you have to use it for Bitcoin mining ?|
|Which AWS services would you use if you have find a cheapest solution for an analytics application ?|
|What are the reasons to choose between reserved and on demand instances ?|
|What are the drawbacks of using Spot EC2 instances ?|
|Can a EC2 instance have multiple Security Groups ? Can a single security group be assigned to multiple Ec2 instances ? If either of them is true , doesn't it result in conflict ?|
|What is the purpose of EC2 Health check ?|