Q511. A company migrated its stateless compute-intensive web application to AWS. The application was deployed on a single compute-optimized Amazon EC2 instance. Detailed monitoring in Amazon CloudWatch shows an average of 70% CPU utilization during business hours Unfortunately random large increases in user traffic quickly drive the CPU to a sustained level of 100% utilization. and the application becomes unresponsive. Which combination of actions is the MOST cost-effective solution to improve application availability and performance? (Select THREE.)
A.Purchase a Reserved Instance of the matching type B.Create an AMI of the application instance. Use the AMI to launch instances that host the application C.Create and configure an Application Load Balancer with an Auto Scaling group D.Reserve extra Spot Instances of the matching type E.Purchase bare metal instances of the matching type to host the application F.Launch instances that have the unlimited burst CPU feature turned on正确答案CDF
