A research group wants to provision an Amazon EC2 instance for a flexible application that can be interrupted. As a Cloud Practitioner, which option would you recommend as the MOST cost-optimal option?Question 42Answera.Dedicated Hostb.On-Demand Instancec.Spot Instanced.Reserved Instance (RI)
Question
A research group wants to provision an Amazon EC2 instance for a flexible application that can be interrupted. As a Cloud Practitioner, which option would you recommend as the MOST cost-optimal option?Question 42Answera.Dedicated Hostb.On-Demand Instancec.Spot Instanced.Reserved Instance (RI)
Solution
The most cost-optimal option for a flexible application that can be interrupted would be c. Spot Instance.
Here's why:
a. Dedicated Host: This is the most expensive option as it provides you with a physical EC2 server dedicated for your use. It's not suitable for applications that can be interrupted.
b. On-Demand Instance: This option lets you pay for compute capacity by the hour with no long-term commitments. It's more cost-effective than Dedicated Hosts but still more expensive than Spot Instances.
c. Spot Instance: This is the most cost-effective option. Spot Instances allow you to bid on spare Amazon EC2 computing capacity. Since Spot Instances can be interrupted (with two minutes of notification) when EC2 needs the capacity back, they are a
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