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

A developer needs to provision additional virtual servers for testing immediately at any time of day, without submitting a service request ticket or requiring manual approval from the cloud service provider. Which cloud computing characteristic directly provides this functionality?

  1. On-demand self-serviceAnswer
  2. B
    Infrastructure as a Service (IaaS)
  3. C
    Resource pooling
  4. D
    Bare-metal hypervisor isolation

Answer

On-demand self-service
On-demand self-service enables users to access cloud resources such as compute power, storage, and software applications unilaterally without needing administrative intervention from the service provider.

Step-by-Step Solution

1
Analyze the scenario requirement
The requirement emphasizes instant automated server allocation without vendor staff interaction or ticket submission.
Identifying key operational constraints isolates which essential cloud feature is being demonstrated.
2
Map the requirement to essential NIST cloud characteristics
Automated provisioning with zero human interaction defines on-demand self-service.
On-demand self-service gives clients direct web-portal or API access to allocate cloud resources instantly.

Key Concept

On-Demand Self-Service
Estimated Time:45s
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Topics

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

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