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Difficulty: MediumReliability, Predictability, and Disaster Recovery

A company is planning to migrate its analytics workload to Microsoft Azure. The IT team must ensure that database query response times remain constant even during peak business hours, and they must also be able to accurately forecast their monthly billing based on simulated resource usage. Which cloud concept is this company directly prioritizing?

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

Answer

Predictability
Predictability in cloud computing allows organizations to plan for consistent performance (such as stable query times under peak load) and consistent costs (such as forecasting monthly expenditure). By ensuring these two criteria are met, the company is prioritizing predictability.

Step-by-Step Solution

1
Analyze the business requirements in the scenario.
The requirements are: (1) ensuring database query response times remain constant (performance consistency), and (2) accurately forecasting monthly billing (cost forecasting).
To identify the correct cloud concept, we must map these two requirements to their respective cloud benefits.
2
Evaluate the cloud concepts against the analyzed requirements.
Predictability is the cloud benefit that focuses on both performance predictability (delivering consistent response times/throughput) and cost predictability (enabling accurate budgeting and forecasting of cloud spend).
This matches both requirements perfectly.

Key Concept

Cloud predictability encompasses performance predictability (consistent execution times) and cost predictability (ability to forecast cloud spend).
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Topics

Reliability, Predictability, and Disaster Recovery

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