Question 400
An organization has a stable baseline of EC2 usage expected to continue for a year or longer. Which evidence BEST validates the recommended AWS choice?
Explanation
Correct Answer
A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount. This result is directly relevant because Reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The underlying AWS decision is: Evaluate appropriate Reserved Instances for eligible steady workloads. The ongoing safeguard is: Review scope, family and term before making an RI commitment.
Incorrect Answers
Spot interruption risk is incompatible with workloads that lack graceful interruption handling. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.
A Savings Plan is a pricing agreement, not a guarantee of a specific physical server. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.
On-Demand charges for usage without the long-term purchasing commitment required by some discount models. In this question, however, reserved Instance pricing can provide a commitment-based discount for qualifying instance usage. The answer that meets the requirement is: A cost comparison shows a qualifying stable EC2 instance reservation matches its required instance attributes and term to receive the intended discount.