A company has an application that runs on a fleet of Amazon EC2 instances behind an Elastic Load Balancer. The instances run in an Auto Scaling group. The application’s performance remains consistent throughout most of each day. However, an increase in user traffic slows the performance during the same 4-hour period of time each day. What is the MOST operationally efficient solution that will resolve this issue?

Topic #: - All AWS Certified SysOps Administrator - Associate Questions

A. Configure a second Elastic Load Balancer in front of the Auto Scaling group with a weighted routing policy.
B. Configure the fleet of EC2 instances to run on larger instance types to support the increase in user traffic.
C. Create a scheduled scaling action to scale out the number of EC2 instances shortly before the increase in user traffic occurs.
D. Manually add a few more EC2 instances to the Auto Scaling group to support the increase in user traffic.

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