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ISC2 CC Business Continuity, DR & Incident Response Practice Question

An organization's BCP identifies a customer-facing order system as critical. The BIA shows the business can tolerate 12 hours of downtime and 1 hour of data loss. The current architecture uses nightly full backups to tape with a 10-hour restore time. Which change BEST closes the gap between current capability and the stated requirements?

⚠ Common exam trap

The trap here is treating backup frequency as a fix for recovery time, when backup frequency primarily governs the recovery point objective and does not by itself speed up restoration.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Implement continuous replication to a secondary site with automated failover to meet the 12-hour RTO and 1-hour RPO

The stated requirements are a 12-hour RTO and a 1-hour RPO. Nightly tape backups with a 10-hour restore already meet the RTO but leave up to 24 hours of potential data loss, violating the RPO. Continuous replication to a secondary site with automated failover reduces data loss to minutes and restores service quickly, satisfying both the recovery point and recovery time objectives in one architectural change.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    Implement continuous replication to a secondary site with automated failover to meet the 12-hour RTO and 1-hour RPO

    Why this is correct

    Continuous replication addresses the RPO by keeping data loss well under one hour, and automated failover at a secondary site brings the order system back online far faster than a 10-hour tape restore, comfortably meeting the 12-hour RTO. This solution targets both metrics simultaneously and provides a resilient architecture rather than incremental tweaks to a slow tape process.

  • ✗

    Document a manual workaround in the BCP that allows order entry staff to record transactions on paper until systems return

    Why it's wrong here

    Manual workarounds can support business continuity for short outages, but they do not restore the order system itself and introduce transcription errors, delays, and reconciliation problems. With a 1-hour RPO, paper records captured over many hours create significant data inconsistency and rework. This option addresses neither the RTO for system restoration nor the data-loss tolerance in a reliable way.

  • ✗

    Increase backup frequency to every hour while keeping the nightly tape full backup and 10-hour restore process

    Why it's wrong here

    More frequent backups improve the recovery point objective by reducing data loss to about an hour, but they do nothing for the recovery time objective. The 10-hour restore time still fits within the 12-hour RTO, so the RPO gap is addressed, yet this option leaves the restore method unchanged and does not improve overall resilience. It only partially meets requirements and ignores the more robust replication approach.

  • ✗

    Move backups from tape to disk to reduce restore time, keeping the nightly full backup schedule

    Why it's wrong here

    Disk-based backup can shorten restore time significantly compared with tape, but with only nightly backups the potential data loss remains up to 24 hours, which violates the 1-hour RPO. This option improves one aspect of recovery performance while leaving the data-loss exposure far outside the stated tolerance, so it does not satisfy the full set of requirements.

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JA

Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed September 2026 · checked against the official ISC2 exam blueprint

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