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Difficulty: MediumCloud Characteristics and Features (Elasticity, On-Demand, Resource Pooling)

An enterprise financial auditing firm utilizes a public cloud platform where multiple corporate clients execute their analytical workloads on shared physical hardware. The cloud provider dynamically allocates and reallocates physical compute cores, memory, and storage arrays among tenants based on real-time consumption, while preventing individual tenants from determining or controlling the exact physical location of the underlying hardware. Which cloud characteristic is best illustrated by this deployment configuration?

  1. Resource poolingAnswer
  2. B
    Infrastructure as a Service
  3. C
    Resource overcommitment
  4. D
    Type 1 hypervisor architecture

Answer

Resource pooling
The scenario describes resource pooling, an essential cloud characteristic where a provider's computing resources are pooled to serve multiple consumers using a multi-tenant model. Physical and virtual resources are dynamically assigned and reassigned according to demand, with location independence for the consumer.

Step-by-Step Solution

1
Analyze the operational scenario presented in the stem.
The scenario describes a multi-tenant cloud environment where physical hardware resources (CPU, RAM, storage) are dynamically assigned to multiple customers from a shared pool without tenant visibility into physical hardware locations.
Identifying the defining features of the cloud environment is essential for selecting the corresponding NIST cloud characteristic.
2
Evaluate the identified features against essential cloud characteristics.
Multi-tenancy combined with dynamic assignment and reassignment of shared physical resources directly matches the definition of resource pooling.
Resource pooling specifically enables providers to aggregate physical resources to serve multiple consumers efficiently.

Key Concept

Cloud Characteristics: Resource Pooling
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Topics

Cloud Characteristics and Features (Elasticity, On-Demand, Resource Pooling)

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