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.