A SysOps Administrator is responsible for a large fleet of EC2 instances and must know whether any instances will be affected by upcoming hardware maintenance.
Which option would provide this information with the LEAST administrative overhead?

A. Monitor AWS CloudTrail for StopInstances API calls related to upcoming maintenance.
B. Review the Personal Health Dashboard for any scheduled maintenance.
C. From the AWS Management Console, list any instances with failed system status checks.
D. Deploy a third-party monitoring solution to provide real-time EC2 instance monitoring.