A company plans to migrate its application to AWS and run the application on Amazon EC2 instances. The application will have continuous usage for 1 year.
Which EC2 instance purchasing option will meet these requirements MOST cost-effectively?
Reserved Instances (Option A).
Reserved Instances are well-suited for applications with steady, predictable workloads over a term commitment, such as one year
Its B. It says the MOST cost effective and that is Spot instance. It doesnt say it needs to run without downtime. That 1 year is a trick in the question.
You almost got me there. The reason it's A is because of the "continuous usage". In terms of most cost effective, you would have to pair the Spot Instance with other services like auto scaling, EMR, etc which would increase cost. Continuous to me means no down time; Spot instances aren't as reliable on their own. Reserved Instances for the W
Reserved Instances (Option A).
Reserved Instances are well-suited for applications with steady, predictable workloads over a term commitment, such as one year.
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