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

A financial technology company deploys a cloud-hosted payment gateway. The architecture is designed to automatically expand compute capacity during sudden high-volume trading surges without administrator intervention, while simultaneously dynamically distributing underlying physical CPU and storage hardware among multiple isolated tenant environments. Which of the following cloud characteristics directly describe these capabilities? (Select TWO.)

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

Answer

Rapid elasticity and Resource pooling
Rapid elasticity allows system infrastructure to automatically provision and scale compute resources dynamically during workload spikes without human interaction. Resource pooling allows the cloud service provider to group physical host hardware into a shared pool, dynamically assigning compute and storage resources to isolate multiple tenants across shared physical infrastructure.

Step-by-Step Solution

1
Analyze the operational requirement for automatic scaling during surges
Identify that automatic, real-time allocation of compute resources to match demand spikes describes rapid elasticity.
Rapid elasticity allows systems to seamlessly expand or shrink resources automatically in response to varying workloads.
2
Analyze the requirement for dynamic distribution of physical hardware across tenants
Identify that serving multiple tenants using a shared physical hardware infrastructure describes resource pooling.
Resource pooling allows cloud providers to aggregate physical resources to serve multiple consumers using a multi-tenant model.

Key Concept

Essential Cloud Characteristics (Rapid Elasticity and Resource Pooling)
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Topics

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

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