What will happen when CPU utilization reaches the 80% threshold?

Explanations:

Amazon EC2 Auto Scaling will evaluate both policies. Since there are two scaling policies with conflicting actions (5 and 10 instances), both will be triggered if the conditions are met, so it will add 10 instances instead of 5.

When both scaling policies are triggered at the same time, Amazon EC2 Auto Scaling will execute the policy with the larger instance count. In this case, the policy to add 10 instances will take effect.

Amazon EC2 Auto Scaling does not sum the instance counts of conflicting policies. Only the policy with the higher instance count (10 instances) will be executed.

Conflicting scaling policies do not prevent scaling actions. The Auto Scaling group will add 10 instances based on the policy with the higher instance count.