Can You Use CloudWatch to Monitor Memory and Disk Utilization

Multiple Choice

Can you use CloudWatch to monitor memory and disk utilization usage for your Amazon EC2 Linux instances?

A) CloudWatch can only measure memory usage.
B) CloudWatch can only collect memory and disk usage metrics when an instance is running.
C) It is possible only on Linux EC2 instances using the CloudWatch Monitoring scripts for Linux.
D) CloudWatch can only measure disk usage.