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Core Cloud Computing Concepts Flashcards

7 cards from real AZ-900 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the term for distributing resources across multiple separated geographic locations for resilience?

    Answer: Geo-redundancy

    Geo-redundancy replicates resources across separate regions to protect against regional failures.

  2. Adding more CPU and RAM to an existing virtual machine is an example of what?

    Answer: Vertical scaling

    Vertical scaling (scaling up) adds more power to an existing instance.

  3. Which cloud benefit lets a company deploy new applications quickly without procuring hardware?

    Answer: Agility

    Agility is the ability to rapidly develop and deploy applications without hardware delays.

  4. Which service model is best suited for developers who want to deploy code without managing servers or OS?

    Answer: PaaS

    PaaS provides a managed platform so developers focus on code, not infrastructure.

  5. What is the primary purpose of a Service Level Agreement (SLA) in the cloud?

    Answer: To formally guarantee a level of service such as uptime

    An SLA is a formal commitment defining guaranteed performance metrics like uptime.

  6. Which OpEx advantage is gained by moving from on-premises to the cloud?

    Answer: Treating computing as an ongoing operating expense

    The cloud converts IT spending into ongoing operating expenses (OpEx) rather than capital purchases.

  7. Which deployment model is owned and used exclusively by a single organization?

    Answer: Private cloud

    A private cloud is dedicated to and used by a single organization.