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Difficulty: MediumCloud Deployment Models (Public, Private, Hybrid, Community)

A regional health department maintains regulatory compliance by hosting confidential patient immunization records on dedicated hardware located inside its own on-premises data center. To handle unpredictable traffic spikes during annual flu vaccination drives, the IT team integrates this internal infrastructure with a third-party commercial multi-tenant cloud environment to host public-facing appointment scheduling services. Which of the following cloud deployment models does this infrastructure represent?

  1. Hybrid cloudAnswer
  2. B
    Private cloud
  3. C
    Community cloud
  4. D
    Infrastructure as a Service (IaaS)

Answer

Hybrid cloud
The scenario describes an environment that combines private on-premises infrastructure (for sensitive patient immunization records) with a public multi-tenant cloud service (for handling public traffic surges during vaccination drives). The combination of private and public deployment models linked together to share data and applications defines a hybrid cloud.

Step-by-Step Solution

1
Analyze the internal infrastructure component
The health department maintains sensitive patient records on dedicated, on-premises hardware, representing a private cloud environment.
Exclusive organizational control and dedicated hardware on-premises define private cloud usage.
2
Analyze the external infrastructure component
The public-facing scheduling portal utilizes a third-party commercial multi-tenant environment, representing a public cloud service.
Third-party multi-tenant services open to the general public represent public cloud infrastructure.
3
Determine the combined deployment model
Connecting private on-premises infrastructure with public cloud resources forms a hybrid cloud model.
A hybrid deployment model explicitly combines two or more distinct cloud infrastructures (such as private and public) bound together by standardized technology.

Key Concept

Hybrid cloud deployment model
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Topics

Cloud Deployment Models (Public, Private, Hybrid, Community)

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