Q: A company has Amazon EC2 instances that run nightly batch j...

Question 573

A company has Amazon EC2 instances that run nightly batch jobs to process datA). The EC2 instances run in an Auto Scaling group that uses On-Demand billing. If a job fails on one instance, another instance will reprocess the joB). The batch jobs run between 12:00 AM and 06:00 AM local time every day. Which solution will provide EC2 instances to meet these requirements MOST cost-effectively?

A. Purchase a 1-year Savings Plan for Amazon EC2 that covers the instance family of the Auto Scaling group that the batch job uses.

B. Purchase a 1-year Reserved Instance for the specific instance type and operating system of the instances in the Auto Scaling group that the batch job uses.

C. Create a new launch template for the Auto Scaling group. Set the instances to Spot Instances. Set a policy to scale out based on CPU usage.

D. Create a new launch template for the Auto Scaling group. Increase the instance size. Set a policy to scale out based on CPU usage.

Question 573

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