Correct answer - "Dedicated worker environment" : If your application performs operations or
workflows that take a long time to complete, you can offload those tasks to a dedicated worker
environment. Decoupling your web application front end from a process that performs blocking
operations is a common way to ensure that your application stays responsive under load.
"ASG and ELB" - There is no need for Elastic Load Balancing. Amazon EC2 Auto Scaling retrieves
from CloudWatch the average CPU usage across all instances in the worker environment"Single
Instance Worker node" - Amazon EKS worker nodes are standard Amazon EC2 instances. EKS worker
nodes are not to be confused with Elastic Beanstalk worker environment
"Single Instance with Elastic IP" - Not highly available because if one instance goes down then
your system is down