Your question is Troubleshooting and On-Call Triage. 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 would you troubleshoot an issue when you are on call, triage it from an alert, and explain what you found to a non-technical stakeholder during and after the fix?