Your company's user-feedback portal comprises a standard LAMP stack replicated across two zones. It is deployed in the us-central1 region and uses autoscaled managed instance groups on all layers, except the database. Currently, only a small group of select customers have access to the portal. The portal meets a 99,99% availability SLA under these conditions. However next quarter, your company will be making the portal available to all users, including unauthenticated users. You need to develop a resiliency testing strategy to ensure the system maintains the SLA once they introduce additional user load. What should you do?

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B. Create synthetic random user input, replay synthetic load until autoscale logic is triggered on at

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A. Capture existing users input, and replay captured user load until autoscale is triggered on all

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C. Expose the new system to a larger group of users, and increase group size each day until

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D. Capture existing users input, and replay captured user load until resource utilization crosses 80%.

Your company's user-feedback portal comprises a standard LAMP stack replicated across two zones. It is deployed in the us-central1 region and uses autoscaled managed instance groups on all layers…

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