正解:A
Risk analysis is the process of identifying and evaluating the potential threats and impacts of a change on the system, network, or service. It is an essential step before approving a change request, as it helps to determine the level of risk, the mitigation strategies, and the contingency plans. Risk analysis also helps to prioritize the change requests based on their urgency and importance12.
References: 1 The Change Request Process and Best Practices(https://www.processmaker.com/blog/it-change- request-process-best-practices/)2 Risk Assessment and Analysis Methods: Qualitative and Quantitative (https://www.isaca.org/resources/isaca-journal/issues/2021/volume-2/risk-assessment-and-analysis-methods).