Explanation:
Threat and vulnerability assessment consider the full spectrum of risks. It identifies the likelihood of occurrence of risks and impact of the significant risks on the organization using the risk scenarios. For example: Natural threats can be evaluated by using historical data concerning frequency of occurrence for given natural disasters such as tornadoes, hurricanes, floods, fire, etc.
Incorrect Answers: A, B: These use either some technical evaluation tool or assessment methodologies to evaluate risk but do not use risk scenarios.
D: Risk assessment uses quantitative and qualitative analysis approaches to evaluate each significant risk identified.