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Amazon CLF-C02: Which design principle improve application’s reliability after migrated to AWS Cloud?

By: Author Alex Lim

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Question

A company migrated its core application onto multiple workloads in the AWS Cloud. The company wants to improve the application’s reliability. Which cloud design principle should the company implement to achieve this goal?

A. Maximize utilization.
B. Decouple the components.
C. Rightsize the resources.
D. Adopt a consumption model.

Answer

B. Decouple the components.

Explanation

The correct answer is B. Decouple the components.

Decoupling the components of an application means designing the application so that the components are independent of each other. This means that if one component fails, the other components will not be affected.

In the given scenario, the company has migrated its core application onto multiple workloads in the AWS Cloud. This means that the application is already distributed across multiple resources. By decoupling the components of the application, the company can further improve the reliability of the application by making it more resistant to failures.

Here are some of the benefits of decoupling the components of an application:

  • It can help to improve the reliability of the application by making it more resistant to failures.
  • It can help to improve the scalability of the application by making it easier to add or remove components.
  • It can help to improve the maintainability of the application by making it easier to update or change components.

The other options are not as relevant to the given scenario.

  • Maximize utilization is a cloud design principle that aims to use all of the available resources as efficiently as possible. This can help to reduce costs, but it can also make the application more vulnerable to failures.
  • Rightsize the resources is a cloud design principle that aims to use the right amount of resources for the application. This can help to improve the performance and efficiency of the application, but it can also make the application more complex and difficult to manage.
  • Adopt a consumption model is a cloud pricing model that charges you for the resources that you use. This can help you to control your costs, but it can also make it more difficult to budget for your cloud usage.

Which design principle improve application’s reliability after migrated to AWS Cloud?

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