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RAN-AZ900-00118
Ranvier · AZ900

Exam AZ900 Topics: architecture Difficulty: medium

A media streaming startup runs its website front end on Azure virtual machines. Traffic is low overnight, spikes sharply during evening hours and live events, and manual resizing is error-prone. The team wants the platform to add virtual machine instances when demand rises and remove them when it falls, while distributing incoming requests across the instances. Which Azure option should the team use?

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  1. A. Place the front-end virtual machines in an availability set, which adjusts the instance count automatically during peaks
  2. B. Keep a fixed set of extra-large virtual machines running at all times, sized for the evening and event peaks
  3. C. Deploy the front end as a Virtual Machine Scale Set, so load balanced instances automatically follow demand
  4. D. Spread the front-end virtual machines across availability zones, so each zone adds instances during peak hours
Reveal answer

Correct answer: Deploy the front end as a Virtual Machine Scale Set, so load balanced instances automatically follow demand

Reference: https://learn.microsoft.com/en-us/azure/virtual-machine-scale-sets/overview

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Official Answer (C): Deploy the front end as a Virtual Machine Scale Set, so load balanced instances automatically follow demand

Ranvier · AZ900

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