Explanation:
AWS Config provides managed rules (like access-keys-rotated) to check if active access keys are rotated within the specified number of days. AWS Config can also trigger remediation actions using AWS Systems Manager Automation runbooks, making this the most operationally efficient and fully managed solution.
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Question 20
A company is using AWS to deploy a critical application on a fleet of Amazon EC2 instances. The company is rewriting the application because the application failed a security review. The application will take 12 months to rewrite. While this rewrite happens, the company needs to rotate IAM access keys that the application uses.
A SysOps administrator must implement an automated solution that finds and rotates IAM access keys that are at least 30 days old. The solution must then continue to rotate the IAM access keys every 30 days.
Which solution will meet this requirement with the MOST operational efficiency?
A
Use an AWS Config rule to identify IAM access keys that are at least 30 days old. Configure AWS Config to invoke an AWS Systems Manager Automation runbook to rotate the identified IAM access keys.
B
Use AWS Trusted Advisor to identify IAM access keys that are at least 30 days old. Configure Trusted Advisor to invoke an AWS Systems Manager Automation runbook to rotate the identified IAM access keys.
C
Create a script that checks the age of IAM access keys and rotates them if they are at least 30 days old. Launch an EC2 instance. Schedule the script to run as a cron expression on the EC2 instance every day.
D
Create an AWS Lambda function that checks the age of IAM access keys and rotates them if they are at least 30 days old. Use an Amazon EventBridge rule to invoke the Lambda function every time a new IAM access key is created.
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