ISC2 CC Business Continuity, DR & Incident Response Practice Question
A company's BCP requires that critical systems be restored within 2 hours of disruption. Which metric defines this?
⚠ Common exam trap
ISC2 often tests the distinction between RTO and RPO, where candidates confuse the time to restore service (RTO) with the acceptable data loss window (RPO).
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
✓
Recovery Time Objective (RTO)
The Recovery Time Objective (RTO) defines the maximum acceptable time that a system or application can be unavailable after a disruption. In this scenario, the requirement to restore critical systems within 2 hours directly specifies the RTO. It is a key metric in business continuity planning that drives the design of failover and recovery strategies.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Mean Time to Repair (MTTR)
Why it's wrong here
MTTR is an average repair time metric, not a target for recovery.
- ✓
Recovery Time Objective (RTO)
Why this is correct
RTO specifies the maximum acceptable downtime for a system.
- ✗
Service Level Agreement (SLA)
Why it's wrong here
SLA is a contractual agreement, not a specific recovery metric.
- ✗
Recovery Point Objective (RPO)
Why it's wrong here
RPO defines the acceptable data loss in terms of time.
Go deeper
Related to this question
Learn chapter
Secure Network Architecture and Design
Key term
BCP
BCP is a proactive process that creates a framework to ensure critical business functions continue during and after a disruptive event.
Key term
Business continuity
Business continuity is the capability of an organization to continue delivering essential services during and after a disruptive event.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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