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ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response

An organization's recovery time objective (RTO) for its customer database is 4 hours, and the recovery point objective (RPO) is 1 hour. The database is backed up every hour using full backups. A disaster occurs at 2:00 PM, and the last successful backup was at 1:00 PM. The system is restored and operational at 5:30 PM, but data from 1:00 PM to 2:00 PM is lost. Which statement is correct?

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

Both the RTO and RPO were met.

The RTO (4 hours) was met because recovery took 3.5 hours (2:00 PM to 5:30 PM). The RPO (1 hour) was exceeded because the data loss was 1 hour (consistent with backup frequency), but the question implies the loss is exactly 1 hour; however, the backup at 1:00 PM covers up to that time, and the loss of 1 hour is within the RPO of 1 hour. Actually, the loss is from 1:00 PM to 2:00 PM = 1 hour, which meets the RPO. So both RTO and RPO were met.

Answer analysis

Option-by-option breakdown

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

  • Both the RTO and RPO were met.

    Why this is correct

    RTO: 3.5 hours < 4 hours. RPO: 1 hour loss = 1 hour RPO, so both are met.

  • The RTO was met, but the RPO was exceeded.

    Why it's wrong here

    RTO was met (3.5 hours < 4 hours). RPO is 1 hour; data loss is 1 hour, so RPO is met, not exceeded.

  • The RTO was exceeded, but the RPO was met.

    Why it's wrong here

    RTO was not exceeded; it was met.

  • Both the RTO and RPO were exceeded.

    Why it's wrong here

    Neither was exceeded.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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