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Answer: Purchase a Compute Savings Plan for the organization from the management account by using the recommendation at the management account level
Answer B is the most appropriate solution because it leverages the AWS Compute Savings Plans, which provide the greatest flexibility and potential cost savings for the company’s diverse and unpredictable workloads running on EC2, Fargate, and Lambda across multiple accounts. 1. **Flexibility Across Services**: Compute Savings Plans allow discounts to be applied across different services—EC2, Fargate, and Lambda—which is crucial given the company uses all these services. This flexibility ensures that any changes in how workloads are run do not incur added costs as long as the overall compute usage remains within the committed level. 2. **Global Applicability Within Organization**: Purchasing the Savings Plan at the management account level maximizes the benefit across the entire organization. This approach ensures that all member accounts can leverage the Savings Plan, effectively pooling resources and costs. This is particularly beneficial for organizations using AWS Organizations as it allows the commitment to be shared among all linked accounts, optimizing usage and savings. 3. **Handling Variability**: Given the company's usage pattern—high in some months, low in others—Compute Savings Plans provide the needed flexibility to handle this variability. Instead of being tied to specific instance types or sizes (as is the case with Reserved Instances), Compute Savings Plans apply the discount to any usage, making them ideal for unpredictable demand. 4. **Optimized Recommendations**: By using the recommendation at the management account level, the company ensures that it’s making an informed decision based on a consolidated view of its overall usage across multiple accounts. AWS provides recommendations that help optimize cost savings, and utilizing these can ensure that the commitment aligns well with the company’s actual usage patterns. In summary, option B offers the most comprehensive, flexible, and cost-efficient approach for a company with diverse and unpredictable compute workloads distributed across multiple AWS accounts.
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A company runs many workloads on AWS and uses AWS Organizations to manage its accounts. The workloads are hosted on Amazon EC2, AWS Fargate, and AWS Lambda. Some of the workloads have unpredictable demand. Accounts record high usage in some months and low usage in other months. The company wants to optimize its compute costs over the next 3 years. A solutions architect obtains a 6-month average for each of the accounts across the organization to calculate usage. Which solution will provide the MOST cost savings for all the organization's compute usage?
A
Purchase Reserved Instances for the organization to match the size and number of the most common EC2 instances from the member accounts.
B
Purchase a Compute Savings Plan for the organization from the management account by using the recommendation at the management account level
C
Purchase Reserved Instances for each member account that had high EC2 usage according to the data from the last 6 months.
D
Purchase an EC2 Instance Savings Plan for each member account from the management account based on EC2 usage data from the last 6 months.