Question
A company is launching a mobile app. The company wants customers to be able to use the app without upgrading their mobile devices.
Which pillar of the AWS Well-Architected Framework does this goal represent?
A. Security
B. Reliability
C. Cost optimization
D. Sustainability
Answer
B. Reliability
Explanation
The answer is (B) Reliability.
The AWS Well-Architected Framework (AWS CAF) defines five pillars of cloud computing:
- Operational excellence: This pillar focuses on ensuring that the cloud environment is reliable, scalable, and secure. It includes activities such as testing failure scenarios, monitoring the environment for performance and availability issues, and responding to incidents quickly and effectively.
- Security: This pillar focuses on protecting the cloud environment from unauthorized access, data breaches, and other security threats. It includes activities such as implementing security controls, managing access permissions, and monitoring for security vulnerabilities.
- Reliability: This pillar focuses on ensuring that the cloud environment is available and meets the organization’s service level agreements (SLAs). It includes activities such as designing for redundancy, automating recovery procedures, and monitoring for performance and availability issues.
- Performance efficiency: This pillar focuses on optimizing the cloud environment for performance and cost. It includes activities such as using the right cloud resources for the job, optimizing application code, and monitoring resource utilization.
- Sustainability: This pillar focuses on minimizing the environmental impact of the cloud environment. It includes activities such as using energy-efficient cloud resources, recycling and reusing cloud resources, and reducing the amount of data stored in the cloud.
In the given question, the company wants customers to be able to use the app without upgrading their mobile devices. This is a goal that is related to reliability. By making the app compatible with a wide range of mobile devices, the company can ensure that the app is available to a wider audience.
The other options are not as accurate. The Security pillar focuses on protecting the cloud environment from unauthorized access, data breaches, and other security threats. The Performance efficiency pillar focuses on optimizing the cloud environment for performance and cost. The Cost optimization pillar focuses on minimizing the cost of the cloud environment. The Sustainability pillar focuses on minimizing the environmental impact of the cloud environment.
Reference
- The 6 Pillars of the AWS Well-Architected Framework | AWS Partner Network (APN) Blog (amazon.com)
- The pillars of the framework – AWS Well-Architected Framework (amazon.com)
- AWS Well-Architected – Build secure, efficient cloud applications (amazon.com)
- Mobile backend – Serverless Applications Lens (amazon.com)
- AWS Well-Architected Framework – AWS Well-Architected Framework (amazon.com)
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