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ACCA Applied Knowledge · Business and Technology · The impact of advances in technology

A bank uses a cloud arrangement in which some services run on its own private servers because of strict data rules, while other less sensitive workloads run on a provider's shared infrastructure, with the two connected. Which deployment model is this, and what is its main benefit?

This is a hybrid cloud. It combines private servers and public shared infrastructure, letting the bank keep sensitive data under stricter control while using the scalability and lower cost of public cloud for less sensitive workloads.

  1. APublic cloud, because costs are lowest with no private infrastructure
  2. BPrivate cloud, because all resources are dedicated to one organisation
  3. CHybrid cloud, because sensitive data can be kept under tighter control while using public cloud scalability for other workloadsCorrect

Explanation

A hybrid cloud combines private and public environments. It allows control over sensitive data while benefiting from the scalability and lower cost of public cloud. Wholly public or wholly private models do not describe a mix of both.

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