A commercial bank has a forex trading application. They created an Auto Scaling group of EC2 instances that allow the bank to cope with the current traffic and achieve cost-efficiency. They want the Auto Scaling group to behave in such a way that it will follow a predefined set of parameters before it scales down the number of EC2 instances, which protects the system from unintended slowdown or unavailability. Which of the following statements are true regarding the cooldown period? a. It ensures that before the Auto Scaling group scales out, the EC2 instances have ample time to cooldown.
b. It ensures that the Auto Scaling group launches or terminates additional EC2 instances without any downtime.
c. Auto Scaling group does not launch or terminate additional EC2 instances before the previous scaling activity takes effect.
d. Its default value is 300 seconds.
e. Its default value is 600 seconds.