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ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
A hospital's electronic health record (EHR) system must be available 24/7. The disaster recovery plan specifies an RTO of 4 hours and an RPO of 1 hour. Which combination of backup and site strategy best meets these objectives?
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
✓
Hot site with continuous data replication
A warm site with hourly incremental backups can achieve RTO of days? Actually, warm site RTO is typically days, so more suitable is hot site. But given options, warm site plus differential may be plausible? Better: hot site with frequent backups. However, the correct answer should be hot site with continuous replication to meet RPO of 1 hour and RTO of 4 hours.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud-based recovery with daily snapshots
Why it's wrong here
Daily snapshots may lose up to 24 hours of data, exceeding RPO of 1 hour.
- ✗
Warm site with weekly full backups
Why it's wrong here
Warm site RTO is days; weekly backups may lose up to a week of data.
- ✓
Hot site with continuous data replication
Why this is correct
Hot site can achieve RTO of hours and continuous replication meets RPO of minutes.
- ✗
Cold site with daily full backups
Why it's wrong here
Cold site RTO is weeks, not hours.
Go deeper
Related to this question
Learn chapter
Business Continuity and Disaster Recovery
Key term
Recovery
Recovery is the process of restoring systems, data, and operations after a security incident, failure, or disaster to return to normal functioning.
Key term
RTO
Recovery Time Objective is the maximum acceptable time to restore a system or data after a disaster, defining how quickly normal operations must resume.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.