The frequent updating of which of the following is key to the continued effectiveness of a disaster recovery plan (DRP)?

A. Contact information of key personnel

B. Server inventory documentation

C. individual roles and responsibilities

D. Procedures for declaring a disaster

Explanation:

In the event of a disaster, it is important to have a current updated list of personnel who are key to the operation of the plan. Choices B, C and D would be more likely to remain stable overtime.