Soru

Zorluk: OrtaBusiness Impact Analysis and Business Continuity Management

During a Business Impact Analysis (BIA) for a national retail organization's cloud-hosted Point-of-Sale (POS) transaction engine, executive leadership establishes that an operational disruption exceeding 44 hours would cause irreversible financial loss and regulatory non-compliance. In response, the cybersecurity team configures failover procedures to restore transaction processing capabilities within 22 hours of an outage. Which of the following metrics is represented by the 44-hour threshold?

  1. Maximum Tolerable Downtime (MTD)Cevap
  2. B
    Recovery Time Objective (RTO)
  3. C
    Recovery Point Objective (RPO)
  4. D
    Mean Time Between Failures (MTBF)

Cevap

Maximum Tolerable Downtime (MTD)
Maximum Tolerable Downtime (MTD) is the maximum period of time that an enterprise service or process can be unavailable without causing irreparable harm to the organization. In this scenario, exceeding 44 hours triggers irreversible damage, making 44 hours the MTD.

Adım Adım Çözüm

1
Analyze the stem requirements and time thresholds
Identified two time periods: a 44-hour threshold beyond which irreversible business damage occurs, and a 22-hour target for service restoration.
BIA metrics separate total allowable outage time from tactical technical recovery goals.
2
Differentiate between business limits and IT recovery targets
The 44-hour mark represents the maximum duration the business process can be down before catastrophic impact (MTD), while the 22-hour goal is the targeted restoration time (RTO).
RTO must always be scheduled within the window of the MTD to ensure business viability (RTOMTDRTO \le MTD).

Anahtar Kavram

Business Impact Analysis Metrics: MTD vs RTO
Bu soruyu puanla