CLF-C02 Cloud Concepts Practice Question
According to the AWS Well-Architected Framework, what does the Performance Efficiency pillar primarily focus on?
⚠ Common exam trap
Test-takers frequently confuse 'efficiency' with 'cost savings,' but Performance Efficiency is about meeting performance requirements with the right resources, not about minimizing spend, which belongs to the Cost Optimization pillar.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Using computing resources efficiently to meet performance requirements
The Performance Efficiency pillar of the AWS Well-Architected Framework focuses on using computing resources efficiently to meet system requirements and maintain that efficiency as demand changes and technologies evolve. This includes selecting the right resource types and sizes, monitoring performance, and making architectural trade-offs to optimize for speed and throughput.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Protecting information and systems from unauthorized access
Why it's wrong here
Protecting information describes the Security pillar — Performance Efficiency is about using resources effectively, not securing them.
- ✗
Minimizing the cost of running cloud workloads
Why it's wrong here
Minimizing cost describes the Cost Optimization pillar — Performance Efficiency is about resource utilization effectiveness, not cost reduction specifically.
- ✓
Using computing resources efficiently to meet performance requirements
Why this is correct
Performance Efficiency focuses on selecting the right resource types, monitoring performance, and making architectural decisions that maintain efficiency as demand evolves.
- ✗
Automating operational tasks to reduce human error
Why it's wrong here
Automating operations describes the Operational Excellence pillar — Performance Efficiency is about resource selection and utilization, not process automation.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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