Topic 1 Question 25
A company is running a monolithic on-premises application that does not scale and is difficult to maintain. The company has a plan to migrate the application to AWS and divide the application into microservices. Which best practice of the AWS Well-Architected Framework is the company following with this plan?
Integrate functional testing as part of AWS deployment.
Use automation to deploy changes.
Deploy the application to multiple locations.
Implement loosely coupled dependencies.
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- 正解だと思う選択肢: D
The Correct answer is D.
Dependencies such as queuing systems, streaming systems, workflows, and load balancers are loosely coupled. Loose coupling helps isolate behavior of a component from other components that depend on it, increasing resiliency and agility. https://docs.aws.amazon.com/wellarchitected/latest/framework/rel_prevent_interaction_failure_loosely_coupled_system.html
👍 17Anyio2023/10/15 The Correct answer is D. Integrate functional testing as part of AWS deployment (A): While this is a good practice for ensuring application quality, it's not the specific focus of dividing the application into microservices.
Use automation to deploy changes (B): This is also a good practice, but it's applicable to various scenarios and not directly tied to microservices architecture.
Deploy the application to multiple locations (C): While microservices can be deployed across multiple locations, this isn't the defining characteristic of decomposing a monolithic application into microservices.
Implement loosely coupled dependencies (D): This is a core principle of microservices architecture. By breaking down the monolithic application into smaller, independent services with well-defined APIs, the company is aiming to reduce dependencies between services, making them easier to develop, deploy, and scale independently. This aligns perfectly with the goal of improving scalability and maintainability, which are key challenges with the current monolithic application.
👍 3Pyrus2024/01/24- 正解だと思う選択肢: D
D is correct answer
👍 2demo44222023/11/09
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