AWS Certified Solutions Architect – Professional SAP-C01 – Question285 - AWS Certified Solutions Architect

A user wants to configure AutoScaling which scales up when the CPU utilization is above 70% and scales down when the CPU utilization is below 30%.
How can the user configure AutoScaling for the above mentioned condition?

A. Configure ELB to notify AutoScaling on load increase or decrease
B. Use AutoScaling with a schedule
C. Use AutoScaling by manually modifying the desired capacity during a condition
D. Use dynamic AutoScaling with a policy

Correct Answer: D

Explanation:

Explanation: The user can configure the AutoScaling group to automatically scale up and then scale down based on the specified conditions. To configure this, the user must setup policies which will get triggered by the CloudWatch alarms.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/as-sca…