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

A software company hosts its software testing environment on infrastructure provided by a third-party vendor over the internet. Physical hardware resources are pooled and dynamically shared among multiple unrelated customer organizations to maintain low operational costs, though each tenant's virtual machines remain logically isolated. Which of the following cloud deployment models does this environment represent?

  1. Public cloudAnswer
  2. B
    Private cloud
  3. C
    Community cloud
  4. D
    Hybrid cloud

Answer

The environment represents a Public cloud model because infrastructure is owned by a third-party vendor and shared across multiple tenant organizations over the internet.
The correct answer is Public cloud because the scenario specifies that infrastructure is provided by an external vendor over the internet, and physical hardware resources are dynamically shared among multiple distinct organizations (multi-tenancy).

Step-by-Step Solution

1
Analyze ownership and hosting location
Infrastructure is provided and managed off-site by a third-party service provider over the public internet.
Determines whether infrastructure is managed internally or externally.
2
Evaluate tenant isolation and hardware allocation
Physical computing hardware is pooled and dynamically allocated across multiple independent customer organizations (multi-tenancy).
Multi-tenant resource sharing is the defining characteristic of public cloud deployment models.
3
Map features to the correct deployment model
Public cloud matches off-site third-party hosting combined with multi-tenant shared hardware.
Distinguishes public deployment from private (single-tenant), community (shared mission), or hybrid (combined) models.

Key Concept

Public cloud deployment model characteristics (multi-tenancy, third-party provider ownership, internet accessibility)
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Topics

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

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