B. Cost optimization
The AWS Well-Architected Framework is a set of best practices and guidelines that helps customers design and operate their workloads on AWS. The framework consists of five pillars:
- Operational Excellence: focuses on the ability to run and monitor systems to deliver business value and to continually improve supporting processes and procedures.
- Security: focuses on protecting information, systems, and assets while delivering business value through risk assessments and mitigation strategies.
- Reliability: focuses on the ability of a system to recover from infrastructure or service disruptions, dynamically acquire computing resources to meet demand, and mitigate disruptions such as misconfigurations or transient network issues
- Performance Efficiency: focuses on using computing resources effectively and making tradeoffs between cost and performance.
- Cost optimization: focuses on the return on investment of moving into the AWS Cloud.
The pillar of the AWS Well-Architected Framework that focuses on the return on investment (ROI) of moving into the AWS Cloud is:
B. Cost optimization
Cost optimization is all about optimizing your costs to ensure that you are getting the best value for your investment in AWS services while maintaining or even improving the performance and functionality of your applications. This pillar helps organizations make informed decisions about their spending in the AWS Cloud to achieve the best ROI.
Answer is A.
https://aws.amazon.com/blogs/aws/sustainability-pillar-well-architected-framework/#:~:text=The%20Sustainability%20Pillar%20includes%20design,as%20architectural%20and%20software%20patterns.
Establish sustainability goals – Set long-term goals for each workload, model return on investment (ROI) and give owners the resources to invest in sustainability goals. Plan for growth and design your architecture to reduce the impact per unit of work such as per user or per operation.
See https://docs.aws.amazon.com/wellarchitected/latest/framework/cost-dp.html
Analyze and attribute expenditure: The cloud makes it easier to accurately identify the usage and cost of systems, which then allows transparent attribution of IT costs to individual workload owners. This helps measure return on investment (ROI) and gives workload owners an opportunity to optimize their resources and reduce costs.
Answer : A: I validated in aws site.
https://aws.amazon.com/blogs/aws/sustainability-pillar-well-architected-framework/
Establish sustainability goals – Set long-term goals for each workload, model return on investment (ROI) and give owners the resources to invest in sustainability goals. Plan for growth and design your architecture to reduce the impact per unit of work such as per user or per operation.
Cost Optimization
Design Principles
Analyze and attribute expenditure: The cloud makes it easier to accurately identify
the usage and cost of systems, which then allows transparent attribution of IT costs
to individual workload owners. This helps measure "return on investment (ROI)" and
gives workload owners an opportunity to optimize their resources and reduce costs.
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