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

An online ticketing organization is optimizing its public cloud architecture to handle high-demand event releases. The infrastructure team needs the system to automatically scale compute capacity up or down in real-time based on incoming web traffic demands without manual intervention. Additionally, the development team must be able to provision and configure new testing server instances instantly through a web portal without submitting service request tickets to the cloud service provider. Which of the following cloud characteristics directly describe these two operational capabilities? (Select TWO.)

  1. Rapid elasticityAnswer
  2. On-demand self-serviceAnswer
  3. C
    Resource pooling
  4. D
    Infrastructure as a Service (IaaS)

Answer

Rapid elasticity and On-demand self-service
The scenario highlights two distinct operational features: dynamic real-time scaling of compute capacity based on workload traffic (Rapid elasticity) and the capability for administrators to self-provision compute instances without cloud provider ticket requests (On-demand self-service).

Step-by-Step Solution

1
Analyze the requirement for automatic, real-time scaling of compute resources in response to traffic surges.
Identified that automatically expanding or contracting capacity dynamically corresponds to rapid elasticity.
Rapid elasticity ensures resources automatically scale seamlessly to handle fluctuating operational workloads.
2
Analyze the requirement for developers to launch and configure virtual servers instantly without vendor intervention.
Identified that self-provisioning resources on demand without administrator approval corresponds to on-demand self-service.
On-demand self-service allows clients to allocate compute resources autonomously as needed.

Key Concept

Essential Cloud Computing Characteristics
Estimated Time:1m 15s
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Topics

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

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