A social media company wants to have the MOST cost-optimal strategy for deploying Amazon Elastic Compute Cloud (Amazon EC2) instances. As a Cloud Practitioner, which of the following options would you recommend? (Select two)Question 63AnswerA.Use Reserved Instances (RI) to run applications with a predictable usage over the next one yearB.Use On-Demand Instances for ad-hoc jobs that can be interruptedC.Use Reserved Instances (RI) for ad-hoc jobs that can be interruptedD.Use On-Demand Instances to run applications with a predictable usage over the next one yearE.Use Spot Instances for ad-hoc jobs that can be interruptedData retention summary
Question
A social media company wants to have the MOST cost-optimal strategy for deploying Amazon Elastic Compute Cloud (Amazon EC2) instances. As a Cloud Practitioner, which of the following options would you recommend? (Select two)Question 63AnswerA.Use Reserved Instances (RI) to run applications with a predictable usage over the next one yearB.Use On-Demand Instances for ad-hoc jobs that can be interruptedC.Use Reserved Instances (RI) for ad-hoc jobs that can be interruptedD.Use On-Demand Instances to run applications with a predictable usage over the next one yearE.Use Spot Instances for ad-hoc jobs that can be interruptedData retention summary
Solution
The most cost-optimal strategy for deploying Amazon Elastic Compute Cloud (Amazon EC2) instances would be:
A. Use Reserved Instances (RI) to run applications with a predictable usage over the next one year. Reserved Instances provide a significant discount (up to 75%) compared to On-Demand instance pricing and provide a capacity reservation when used in a specific availability zone.
E. Use Spot Instances for ad-hoc jobs that can be interrupted. Spot Instances allow you to take advantage of unused EC2 capacity in the AWS cloud. Spot Instances are available at up to a 90% discount compared to On-Demand prices and are a cost-effective choice if applications are time-flexible and can withstand possible interruptions.
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