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Your application currently leverages AWS Auto Scaling to grow and shrink as load Increases’
decreases and has been performing well Your marketing team expects a steady ramp up in traffic
to follow an upcoming campaign that will result in a 20x growth in traffic over 4 weeks Your
forecast for the approximate number of Amazon EC2 instances necessary to meet the peak
demand is 175.

What should you do to avoid potential service disruptions during the ramp up in traffic?

Ensure that you have pre-allocated 175 Elastic IP addresses so that each server will be able to
obtain one as it launches

Check the service limits in Trusted Advisor and adjust as necessary so the forecasted count
remains within limits.

Change your Auto Scaling configuration to set a desired capacity of 175 prior to the launch of
the marketing campaign

Pre-warm your Elastic Load Balancer to match the requests per second anticipated during peak
demand prior to the marketing campaign

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