Incident Investigation, Root Cause Analysis, and Postmortems Questions

Covers the discipline of investigating and learning from production and technical incidents: forming and testing hypotheses, gathering and validating evidence, applying short-term mitigations versus long-term fixes, coordinating across teams during the incident, and running the postmortem or root cause analysis afterward. Candidates should describe the troubleshooting or investigative approach used, obstacles encountered, how mitigation and long-term remediation were sequenced, and the concrete process or system changes that resulted. Applies to incidents in software systems, ML/AI models and pipelines, infrastructure, and security findings.