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Question

Difficulty: EasyCloud Models (Public, Private, Hybrid, Multi-cloud)

A research institute needs to run a temporary data simulation that requires high compute power for one week. The institute rents virtual machines from Microsoft Azure for the duration of the simulation and deletes them afterward. The physical servers hosting these virtual machines are shared with other Azure customers. Which cloud model is the institute using?

  1. Public cloudAnswer
  2. B
    Private cloud
  3. C
    Hybrid cloud
  4. D
    Software as a Service (SaaS)

Answer

Public cloud
The public cloud model is correct because the resources (virtual machines) are owned and operated by a third-party cloud service provider (Microsoft) and provisioned over the internet using shared physical hardware.

Step-by-Step Solution

1
Analyze resource ownership and sharing details in the scenario.
The infrastructure is owned by a third-party cloud provider (Microsoft) and the physical hardware is shared with other customers (multi-tenancy).
These are key characteristics of the public cloud model.
2
Check for local data center integration or dedicated single-tenant hardware.
There is no mention of local on-premises hardware or dedicated physical infrastructure.
This rules out both hybrid and private cloud models.

Key Concept

Public cloud model characteristics
Estimated Time:45s
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Topics

Cloud Models (Public, Private, Hybrid, Multi-cloud)

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