Your question is Choose Performance Testing Metrics. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're evaluating the quality of a system after performance testing. You want a metric set that captures both immediate technical behavior and the broader impact on reliability and user experience.
What performance testing metrics would you use to evaluate a system?