AWS Certified SysOps Administrator SOA-C01 – Question531

A SysOps Administrator receives reports of an Auto Scaling group failing to scale when the nodes running Amazon Linux in the cluster are constrained by high memory utilization.
What should the Administrator do to enable scaling to better adapt to the high memory utilization?

A.
Create a custom script that pipes memory utilization to Amazon S3, then, scale with an AWS Lambda-powered event
B. Install the Amazon CloudWatch memory monitoring scripts, and create a custom metric based on the script’s results
C. Increase the minimum size of the cluster to meet memory and application load demands
D. Deploy an Application Load Balancer to more evenly distribute traffic among nodes

Correct Answer: D