Your question is Production Performance Troubleshooting. 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).
How do you monitor and troubleshoot performance issues in production systems?
Discuss the observability signals, dashboards, alerts, and diagnostic process you use. Explain how you distinguish application, infrastructure, dependency, and capacity-related causes, coordinate incident response, and validate that remediation has restored performance without introducing regressions.