Question #947
Which cloud concept is demonstrated by using AWS Trusted Advisor's cost optimization recommendations?
Security validation
Rightsizing
Elasticity
Global reach
Explanation
The correct answer is B. Rightsizing. AWS Trusted Advisor's cost optimization recommendations analyze resource utilization (e.g., EC2 instances, EBS volumes) and suggest downsizing or terminating underused resources to reduce costs. This directly embodies the concept of rightsizing, which ensures resources match workload requirements without over-provisioning.
Why other options are incorrect:
- A. Security validation: Trusted Advisor does provide security checks, but this is unrelated to cost optimization.
- C. Elasticity: Elasticity refers to scaling resources dynamically based on demand, not optimizing existing resource configurations.
- D. Global reach: This refers to AWS's global infrastructure, which is unrelated to cost optimization recommendations.
Key Points:
- Rightsizing is a core cost optimization strategy in cloud computing.
- Trusted Advisor automates rightsizing by identifying idle/underutilized resources.
- Cost optimization recommendations include EC2 instance adjustments, storage optimizations, and reserved instance purchases.
Answer
The correct answer is: B