A business continuity plan (BCP) is:

 Definition and Purpose:

A Business Continuity Plan (BCP) is a document that outlines how a business will continue operating during an unplanned disruption in service. It focuses on the processes and procedures necessary to ensure that critical business functions can continue.

 BCP Components:

The BCP typically includes Business Impact Assessments (BIAs), which identify critical functions and the impact of a disruption.

It also encompasses risk assessments, recovery strategies, and continuity strategies for critical business functions.

 Explanation of Options:

A methodical plan detailing the steps of incident response activities describes more of an Incident Response Plan (IRP).

B a document of controls that reduce the risk of losing critical processes could be part of a BCP but is more characteristic of a risk management plan.

C accurately reflects the BCP’s focus on identifying and mitigating risks to business functions through BIAs, making it the most comprehensive and accurate description.

 Conclusion:

Therefore, C correctly identifies a BCP as a document that focuses on BIAs to manage risks to critical business processes.