CV0-004 Cloud Architecture and Design Practice Question
A company is designing a disaster recovery plan for its critical application. The application must be recovered within 4 hours (RTO) and can tolerate up to 1 hour of data loss (RPO). Which replication strategy is most cost-effective?
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
✓
Asynchronous replication
Asynchronous replication meets the RPO of 1 hour (data loss up to 1 hour) and can be lower cost than synchronous replication, which requires high bandwidth. Synchronous replication would be more expensive and unnecessary. No replication would not meet RPO. Daily backups would exceed RPO.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
No replication; rely on backups restored from archive
Why it's wrong here
Backups may take longer to restore and may have higher data loss.
- ✓
Asynchronous replication
Why this is correct
Asynchronous replication can achieve RPO of 1 hour at lower cost.
- ✗
Synchronous replication
Why it's wrong here
Synchronous replication ensures zero data loss but is more expensive due to low-latency requirements.
- ✗
Daily snapshots with no replication
Why it's wrong here
Daily snapshots could lose up to 24 hours of data, exceeding the 1-hour RPO.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.