An architect must assess an unfamiliar legacy codebase for cloud-migration readiness. A consultant has written a fixed 40-step checklist to run on each module in alphabetical order. What is the most appropriate approach?

Answer: D — Map structure and dependencies first, prioritize high-risk modules, and replan from findings within a set budget

Investigation work needs adaptive decomposition: map, prioritize, replan, kept bounded and recorded (d). (a) and (b) commit to steps before learning anything and spend equal effort on low-risk modules. (c) is a single pass with attention dilution and no grounding in discovered structure.