A start-up firm has deployed an application on an EC2 instance with all application data stored on EBS General Purpose volumes. The firm is planning to deploy this application in other regions. Before deployment to another region, the IT Manager is looking for recommendations for optimal use of EBS volumes for the current application usage & the possibility of reducing the cost.
As a Sysops administrator, which of the following services can be used?

Answer options:

A.AWS Budgets
B.AWS Cost Explorer Resource Rightsizing Recommendations
C.AWS Trusted Advisor
D.AWS Compute Optimizer

Correct Answer: D
AWS Compute Optimizer can help identify optimal AWS EBS volume configuration by analyzing CloudWatch metrics for EBS volumes. These recommendations can help to reduce cost have optimum performance for application load. AWS Compute Optimizer supports the following AWS resources:
1.Amazon EC2 instances
2.Amazon EBS volumes
3.AWS Auto Scaling
4.AWS Lambda functions 
Option A is incorrect as AWS Budget will help set budgets for AWS resources and get alerts when costs exceed the budget.
Option B is incorrect as these recommendations will provide only cost-related savings, not performance recommendations.
Option C is incorrect as AWS Trusted Advisor does not provide recommendations based upon Amazon EBS metrics.
For more information on AWS Compute Optimizer, refer to the following URL,
https://aws.amazon.com/compute-optimizer/faqs/