Your website has been suffering performance issues, and you have been able to determine that this is due to a spike in traffic to your servers. The servers are behind an ELB and the CPU on both Amazon EC2 instances hovers around 95% during this time frame. Your
boss has asked you to find a way improve performance without impacting cost any more
than is absolutely necessary, What should you do?.
A. Create an EC2 Auto Scaling group and bave Amazon CloudTrail trigger an autoscale
event to scale up when the CPU teaches 80% and seale down when the CPU drops to
40%.
B. Creare an EC2 Auto Scaling group and have Amazon Cloud Watch trigger an
autoscale event to scale up when the CPU reaches 80% and scale down when the CPU
drops to 40%,
C. Create an EC2 Auto Scaling group and have Amazon Cloud Watch trigger an
autoscale event to scale up when the CPU reaches 95% and scale down when the CPU
drops to 40%,
D. Create an EC2 Auto Scaling group and have Amazon Cloud Watch trigger an
auroscale event to scale up when the CPU reaches 80% and scale down when the CPU drops to 75%,
