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Question 202

You are the architect of the Contoso airline group. You are responsible for designing autoscaling solutions. You have a server that runs at a CPU load of 90-95% 7 days a week. Which autoscaling pattern would be the best fit?

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Explanation (click to expand)

Adding resources is correct, as you can scale this solution manually as you can see that the load is high all the time. Off and On autoscaling will not suffice as this solution is already working full time at a high capacity, shutting it down will not improve anything. Unpredictable autoscaling will not suffice as this pattern is used for example when the CPU threshold is stable most of the time and then spikes randomly to 95% CPU load for more than the threshold you provided (example of 10 minutes), Predictable autoscaling will not suffice as this is primarily used when you know when resources will be maxed out, however in this scenario resources are already maxed out and needs immediate attention.

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