Question: You have a T2 EC2 instance that is critical to your infrastructure. How would you monitor the most important metric for this instance?

1. Turn on CloudWatch Auto Recovery and put monitors on the System Status and Instance Status checks for the instance to notify you when either is in alarm.
2. Use CloudWatch to put monitors on the remaining CPU credits. If you run out of CPU credit the instance will be stopped.

Answer: The correct answer of the above question is Option A:Turn on CloudWatch Auto Recovery and put monitors on the System Status and Instance Status checks for the instance to notify you when either is in alarm.