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Difficulty: EasyReliability, Predictability, and Disaster Recovery

A municipal library system migrates its catalog searching application to Microsoft Azure. The library administrators need to ensure that the application delivers consistent response times to patrons, even during peak hours, and that monthly operational costs can be forecasted accurately. Which cloud benefit is described by these requirements?

  1. A
    Elasticity
  2. PredictabilityAnswer
  3. C
    Disaster Recovery
  4. D
    High Availability

Answer

Predictability
Predictability is the cloud benefit that allows organizations to expect consistent application performance (performance predictability) and accurately estimate and control monthly cloud resources costs (cost predictability).

Step-by-Step Solution

1
Analyze the business requirements specified in the scenario.
The requirements are: (1) consistent performance/response times for users (performance predictability) and (2) accurate forecasting of monthly operational costs (cost predictability).
Identifying the core objectives helps map them to the correct cloud benefit.
2
Match the identified requirements to the standard Microsoft Azure cloud benefits.
Predictability represents both the capability to run applications with consistent performance and the ability to project cloud expenditures accurately.
This confirms that predictability is the cloud benefit that directly encompasses both of these aspects.

Key Concept

Predictability
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Topics

Reliability, Predictability, and Disaster Recovery

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