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Difficulty: MediumBusiness Impact Analysis and Business Continuity Management

During a Business Impact Analysis (BIA), a financial institution determines that its online payment processing service can tolerate a maximum operational outage of 12 hours before experiencing severe regulatory penalties and irreparable financial loss. Technical teams estimate that restoring infrastructure takes 7 hours, and system integrity validation takes 3 hours. Which metric defines the overarching 12-hour limit of allowable operational downtime?

  1. Maximum Tolerable Downtime (MTD)Answer
  2. B
    Recovery Point Objective (RPO)
  3. C
    Recovery Time Objective (RTO)
  4. D
    Work Recovery Time (WRT)

Answer

Maximum Tolerable Downtime (MTD) defines the total upper limit of operational disruption a business function can survive.
Maximum Tolerable Downtime (MTD), also referred to as Maximum Allowable Downtime (MAD), is the maximum timeframe a business function can remain unavailable before incurring irreparable harm, severe financial loss, or regulatory non-compliance. In this scenario, the 12-hour threshold establishes this upper boundary of enterprise survival.

Step-by-Step Solution

1
Analyze the outage duration scenario described in the BIA.
The scenario identifies a 12-hour limit beyond which catastrophic business damage occurs.
Identifying the total acceptable disruption limit helps distinguish enterprise viability thresholds from technical recovery targets.
2
Differentiate metrics governing operational tolerance versus technical restoration timeframes.
The overarching constraint on business survival is Maximum Tolerable Downtime (MTD), which encompasses both Recovery Time Objective (RTO) and Work Recovery Time (WRT).
MTD represents the maximum time a business process can be down before non-recovery occurs.

Key Concept

Maximum Tolerable Downtime (MTD) vs. RTO, RPO, and WRT in Business Impact Analysis
Estimated Time:1m 30s
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Topics

Business Impact Analysis and Business Continuity Management

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