CISSP · Question #212
CISSP Question #212: Real Exam Question with Answer & Explanation
The correct answer is B: Parallel. Disaster recovery test plans vary in effectiveness and risk; the parallel test activates the recovery site alongside the primary site, providing real validation with minimal operational disruption.
Question
Which of the following disaster recovery test plans will be MOST effective while providing minimal risk?
Options
- ARead-through
- BParallel
- CFull interruption
- DSimulation
Explanation
Disaster recovery test plans vary in effectiveness and risk; the parallel test activates the recovery site alongside the primary site, providing real validation with minimal operational disruption.
Common mistakes.
- A. A read-through (or checklist) test simply involves reviewing the DR plan documents for accuracy and completeness, which provides very low risk but also very low effectiveness since no systems are actually activated or validated.
- C. A full interruption test completely shuts down the primary system and forces a failover to the DR site, which provides the most realistic test but carries the highest risk of data loss, extended downtime, and business disruption.
- D. A simulation test (tabletop exercise) involves walking through a hypothetical disaster scenario verbally or on paper without activating any actual systems, making it low-risk but also less effective than a parallel test because no real infrastructure is validated.
Concept tested. Disaster recovery test plan types and risk levels
Reference. https://learn.microsoft.com/en-us/azure/reliability/disaster-recovery-overview
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