CCA-F: Claude Certified Architect — Foundations

When dealing with a production-critical bug in an unfamiliar module, the most effective strategy is to use plan mode to reason about the error within the context of the module's design, identify and enumerate multiple potential root causes, and then prioritize which fixes to pursue systematically. This avoids a premature, symptom-level fix that a direct-execution approach might produce when the engineer lacks familiarity with the module's broader architecture, dependencies, and edge cases — reducing the risk of an incomplete or incorrect fix during a high-stakes production incident.