Final answer:
The step of the troubleshooting methodology that inquires regarding environmental or infrastructure changes is Identify the problem.
Step-by-step explanation:
The step of the troubleshooting methodology that inquires regarding environmental or infrastructure changes is Identify the problem. This step involves identifying the problem that needs to be solved and understanding the context in which it occurs. In the context of troubleshooting computer systems, environmental or infrastructure changes could include things like software updates, hardware upgrades, or network changes that may have caused the problem.