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…

Question

Options

• AConfigure a second Elastic Load Balancer in front of the Auto Scaling group with a weighted
• BConfigure the fleet of EC2 instances to run on larger instance types to support the increase in
• CCreate a scheduled scaling action to scale out the number of EC2 instances shortly before the
• DManually add a few more EC2 instances to the Auto Scaling group to support the increase in user

• A
  6% (2)
• B
  3% (1)
• C
  75% (24)
• D
  16% (5)

Explanation

They see the same slow performance at the same time each day. Scheduled scaling makes Scheduled scaling helps you to set up your own scaling schedule according to predictable load changes. For example, let's say that every week the traffic to your web application starts to increase on Wednesday, remains high on Thursday, and starts to decrease on Friday. You can configure a schedule for Amazon EC2 Auto Scaling to increase capacity on Wednesday and decrease capacity on Friday. To use scheduled scaling, you create scheduled actions. Scheduled actions are performed automatically as a function of date and time. When you create a scheduled action, you specify when the scaling activity should occur and the new desired, minimum, and maximum sizes for the scaling action. You can create scheduled actions that scale one time only or that scale on a recurring schedule. https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-scheduled-scaling.html

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