A recovery time objective (RTO) is the maximum acceptable time or duration that a business process or function can be disrupted or unavailable due to a disaster or incident, before it causes unacceptable or intolerable consequences for the organization. It is usually expressed in hours, days, or weeks, and it is aligned with the organization’s business continuity and disaster recovery objectives and requirements.

The primary factor in determining a RTO is the cost of downtime due to a disaster, which is the estimated loss or damage that the organization may suffer if a business process or function is disrupted or unavailable for a certain period of time. The cost of downtime can be expressed in terms of financial, operational, reputational, or legal consequences, and it can help the organization to assess the impact and urgency of the disaster, and to decide on the appropriate recovery strategy and resources.

The other options are not the primary factors in determining a RTO, because they do not address the fundamental question of how long the organization can tolerate the disruption or unavailability of a business process or function.

The cost of offsite backup premises is the cost of acquiring, maintaining, or using an alternative or secondary location or facility that can be used to resume or continue the business process or function in case of a disaster or incident. The cost of offsite backup premises is important to consider when selecting or implementing a recovery strategy, but it is not the primary factor in determining a RTO, because it does not indicate the impact or urgency of the disaster, and it may not reflect the organization’s business continuity and disaster recovery objectives and requirements.

The cost of testing the business continuity plan is the cost of conducting, evaluating, or improving the tests or exercises that are performed to verify or validate the effectiveness and efficiency of the business continuity plan, which is the document that describes the actions and procedures that the organization will take to recover or restore the business process or function in case of a disaster or incident. The cost of testing the business continuity plan is important to consider when developing or updating the business continuity plan, but it is not the primary factor in determining a RTO, because it does not indicate the impact or urgency of the disaster, and it may not reflect the organization’s business continuity and disaster recovery objectives and requirements.

The response time of the emergency action plan is the time or duration that it takes for the organization to initiate or execute the emergency action plan, which is the document that describes the immediate actions and procedures that the organization will take to protect the life, health, and safety of the people, and to minimize the damage or loss of the assets,in case of adisaster or incident. The response time of the emergency action plan is important to consider when preparing or reviewing the emergency action plan, but it is not the primary factor in determining a RTO, because it does not indicate the impact or urgency of the disaster, and it may not reflect the organization’s business continuity and disaster recovery objectives and requirements. References =

ISACA, CRISC Review Manual, 7th Edition, 2022, pp. 62-63, 66-67, 70-71, 74-75, 78-79

ISACA, CRISC Review Questions, Answers & Explanations Database, 2022, QID 165

CRISC Practice Quiz and Exam Prep