SAP-C02 第 447 题
题目
A company used AWS CloudFormation to create all new infrastructure in its AWS member accounts. The resources rarely change and are properly sized for the expected load. The monthly AWS bill is consistent. Occasionally, a developer creates a new resource for testing and forgets to remove the resource when the test is complete. Most of these tests last a few days before the resources are no longer needed. The company wants to automate the process of finding unused resources. A solutions architect needs to design a solution that determines whether the cost in the AWS bill is increasing. The solution must help identify resources that cause an increase in cost and must automatically notify the company's operations team. Which solution will meet these requirements?
中文翻译：
一家公司使用 AWS CloudFormation 在其 AWS 成员账户中创建所有新的基础设施。资源很少发生变化，并且大小适合预期负载。每月的 AWS 账单是一致的。有时，开发人员会创建新资源进行测试，但在测试完成后忘记删除该资源。大多数测试会持续几天，然后不再需要资源。该公司希望自动化查找未使用资源的过程。解决方案架构师需要设计一个解决方案来确定 AWS 账单中的成本是否增加。该解决方案必须帮助识别导致成本增加的资源，并且必须自动通知公司的运营团队。哪种解决方案可以满足这些要求？
选项
A. Turn on billing alerts. Use AWS Cost Explorer to determine the costs for the past month. Create an Amazon CloudWatch alarm for total estimated charges. Specify a cost threshold that is higher than the costs that Cost Explorer determined. Add a notification to alert the operations team if the alarm threshold is breached.
中文翻译：
打开账单提醒。使用 AWS Cost Explorer 确定过去一个月的成本。为估计总费用创建 Amazon CloudWatch 警报。指定高于 Cost Explorer 确定的成本的成本阈值。添加通知，以便在超出警报阈值时向运营团队发出警报。
B. Turn on billing alerts. Use AWS Cost Explorer to determine the average monthly costs for the past 3 months. Create an Amazon CloudWatch alarm for total estimated charges. Specify a cost threshold that is higher than the costs that Cost Explorer determined. Add a notification to alert the operations team if the alarm threshold is breached.
中文翻译：
打开账单提醒。使用 AWS Cost Explorer 确定过去 3 个月的平均每月成本。为估计总费用创建 Amazon CloudWatch 警报。指定高于 Cost Explorer 确定的成本的成本阈值。添加通知，以便在超出警报阈值时向运营团队发出警报。
C. Use AWS Cost Anomaly Detection to create a cost monitor that has a monitor type of Linked account. Create a subscription to send daily AWS cost summaries to the operations team. Specify a threshold for cost variance.
中文翻译：
使用 AWS 成本异常检测创建监控类型为链接账户的成本监控器。创建订阅以将每日 AWS 成本摘要发送给运营团队。指定成本差异的阈值。
D. Use AWS Cost Anomaly Detection to create a cost monitor that has a monitor type of AWS services. Create a subscription to send daily AWS cost summaries to the operations team. Specify a threshold for cost variance.
中文翻译：
使用 AWS 成本异常检测创建具有 AWS 服务监控类型的成本监控器。创建订阅以将每日 AWS 成本摘要发送给运营团队。指定成本差异的阈值。
答案
D
解析
正确答案：D 解析： 本题应选择 D。 正确选项： D. 使用 AWS 成本异常检测创建具有 AWS 服务监控类型的成本监控器。创建订阅以将每日 AWS 成本摘要发送给运营团队。指定成本差异的阈值。 选择理由： 该选项最直接地满足题干中的关键约束。做 SAP-C02 题目时，需要同时对照题干里的限定词，例如最高性能、最低运维开销、成本效益、可靠性、可扩展性、安全性、RTO/RPO、合规要求等。本题相关考点主要包括：CloudWatch。...