Which of the following is MOST helpful in determining the criticality of an organization's business...

Business impact analysis (BIA) is the most helpful in determining the criticality of an organization’s business functions because it is a process of identifying and evaluating the potential effects of disruptions or interruptions to those functions. BIA helps to prioritize the recovery of the most critical functions and to estimate the resources and time needed for the recovery. Therefore, business impact analysis (BIA) is the correct answer.