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RAN-AZ900-00041
Ranvier · AZ900

Exam AZ900 Topics: cloud-concepts Difficulty: hard

A ticketing platform sees demand explode within minutes when popular events go on sale, and collapse just as quickly afterward. Operations wants capacity to follow this demand automatically — growing and shrinking without anyone adding or removing servers manually — so that performance stays consistent and the company does not pay for idle capacity. Which concept does the operations team want?

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  1. A. Vertical scaling, because upgrading the size of each server absorbs the higher load
  2. B. Horizontal scaling, because operations staff can add and remove virtual machines as traffic changes
  3. C. High availability, because service-level agreements keep the service online during spikes
  4. D. Elasticity, because resources automatically expand and contract to match real-time demand
Reveal answer

Correct answer: Elasticity, because resources automatically expand and contract to match real-time demand

Reference: https://azure.microsoft.com/en-us/resources/cloud-computing-dictionary/what-is-elastic-computing

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Where the exam tries to trick you — and how those who passed solved it.

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Official Answer (D): Elasticity, because resources automatically expand and contract to match real-time demand

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