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Microsoft Azure Fundamentals AZ-900 Practice Question

A company wants their cloud applications to continue operating even when hardware components fail, and to maintain consistent, forecastable costs. Which benefit of cloud computing best addresses these requirements?

Scalability
Reliability
Elasticity
High availability

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Answer Description

Reliability is the cloud benefit that ensures applications remain operational even when hardware failures occur. Cloud providers offer redundancy and fault tolerance, so services can withstand component failures without interruption. This leads to consistent performance and, combined with predictable billing models, helps maintain forecastable costs.

Scalability relates to handling increased workloads but doesn't directly address fault tolerance or cost predictability.

Elasticity involves automatic scaling based on demand, which may affect cost predictability due to fluctuations.

High availability focuses on maximizing uptime but doesn't inherently handle hardware failures or ensure cost consistency.

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Microsoft Azure Fundamentals AZ-900

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