Which of the below mentioned processes is not performed by Auto Scaling?

A sys admin is trying to understand the Auto Scaling activities.

Which of the below mentioned processes is not performed by Auto Scaling?
A . Reboot Instance
B . Schedule Actions
C . Replace Unhealthy
D . Availability Zone Balancing

Answer: A

Explanation:

Reboot Instance is not performed by AS. Only termination. http://docs.aws.amazon.com/autoscaling/latest/userguide/as-suspend-resume-processes.html