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RAN-AZ900-00038
Ranvier · AZ900

Exam AZ900 Topics: cloud-concepts Difficulty: medium

A manufacturer's production planning application was not designed to run as multiple parallel instances; its architecture assumes one instance with shared in-process state. Month-end processing pushes that single instance to its limits for a few hours each month. Which approach should the cloud team take during that window?

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  1. A. Vertically scale up the virtual machine during month-end processing, then scale it back down afterward
  2. B. Horizontally scale out by adding extra application instances behind a load balancer
  3. C. Redeploy the application across several regions so each region handles part of the workload
  4. D. Configure automatic scaling rules so the platform adds instances when CPU usage spikes
Reveal answer

Correct answer: Vertically scale up the virtual machine during month-end processing, then scale it back down afterward

Reference: https://learn.microsoft.com/en-us/training/modules/describe-benefits-use-cloud-services/2-high-availability-scalability-cloud

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Official Answer (A): Vertically scale up the virtual machine during month-end processing, then scale it back down afterward

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