"The Most Critical Deficiency in Reviewing a Business Continuity Plan"

B.

When reviewing a business continuity plan (BCP), the most significant deficiency would be the option that represents the highest risk to the organization's ability to recover from a disaster. Let's review each of the options and see which one poses the most significant risk.

Option A: BCP is often tested using the walkthrough method The walkthrough method is a type of testing that involves reviewing a BCP document to ensure that all of the necessary information is included and that it is accurate. While this type of testing can be useful, it may not be enough to ensure that the plan will work in a real disaster. However, it is not the most significant deficiency in this list.

Option B: BCP testing is not in conjunction with the disaster recovery plan (DRP) Disaster recovery plans (DRPs) are plans for recovering an organization's IT systems and infrastructure after a disaster. If the BCP testing is not in conjunction with the DRP, then there is a risk that the IT systems and infrastructure will not be fully functional during the recovery process. This is a significant deficiency and could pose a high risk to the organization.

Option C: Each business location has separate, inconsistent BCPs Having separate and inconsistent BCPs at each business location could lead to confusion during a disaster. Each location may have different procedures and plans, which could result in inconsistencies and inefficiencies during the recovery process. This is a significant deficiency and could pose a high risk to the organization.

Option D: Recovery time objectives (RTOs) do not meet business requirements Recovery time objectives (RTOs) are the maximum amount of time that an organization can afford to be without a particular system or service before it becomes critical. If the RTOs do not meet business requirements, then the organization may not be able to recover from a disaster within the necessary timeframe. This is a significant deficiency and could pose a high risk to the organization.

Conclusion:

Option B, C, and D are all significant deficiencies that could pose a high risk to the organization. However, having separate and inconsistent BCPs at each business location could lead to confusion during a disaster, which could result in inconsistencies and inefficiencies during the recovery process. Therefore, option C would be the MOST significant deficiency.