What method requires representatives from all groups in the BCDR plan to participate in a meeting to review the plan?

The method that requires representatives from all groups involved in the Business Continuity and Disaster Recovery (BCDR) plan to participate in a meeting to review the plan is known as a walk-through. During a walk-through, participants gather to discuss and examine the BCDR plan in detail. This collaborative approach enables all stakeholders to bring their insights and expertise to the table, addressing any concerns they may have and ensuring that everyone understands their roles and responsibilities in the event of a disaster.

The walk-through process is essential because it facilitates communication across different departments, aligning the goals and strategies of the BCDR plan with the capabilities of the organization as a whole. By having representatives from various groups participate, the organization can ensure that the plan is comprehensive, practical, and tailored to the specific needs of all involved.

In contrast, other methods mentioned, such as a parallel test or a full interruption, typically involve more practical, hands-on testing of the plan under real-time scenarios, rather than a collaborative review meeting. The tabletop exercise also involves discussion but usually focuses on simulating scenarios and responses rather than a thorough review of the plan with all groups present. Thus, the walk-through stands out as the method designed specifically for collaborative plan review across all stakeholders.