The national response framework:
a. mandates that the private-sector entities responsible for critical infrastructure and key resources develop and exercise contingency plans.
b. is intended to provide guidance for the whole community.
c. is designed to be implemented only for catastrophic incidents, since local resources are usually sufficient in smaller emergencies.
d. is based on the premise that governments have sole responsibility for responding to major emergencies.

A. Mandates that the private-sector entities responsible for critical infrastructure and key resources develop and exercise contingency plans.

Explanation:

The United States National Response Framework is a comprehensive guide that provides solutions and help on how to prevent, protect, reply and recover any problems that may arise from any disaster. It is basically a guide on how the nation replies to any disaster that strikes, at any time. Built upon a scalable, flexible and adaptable coordinating structures, it aligns the key roles and responsibilities of the various sectors at times of disasters. It also mandates that the private-sector entities responsible for critical infrastructure and key resources develop and exercise contingency plans.

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