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CV0-004 Practice Question: Is tasked with setting up a disaster recovery…
A cloud engineer is tasked with setting up a disaster recovery (DR) plan for a critical application that runs on virtual machines in a private cloud. The DR site is a public cloud. The application requires low recovery time objective (RTO) of less than 15 minutes and recovery point objective (RPO) of less than 5 minutes. Which of the following replication strategies BEST meets these requirements?
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
✓
Use continuous asynchronous replication to the DR site.
Continuous asynchronous replication can achieve low RPO (under 5 minutes) and low RTO (under 15 minutes) if VMs can be quickly started from the replicated data. Option A is wrong because daily replication cannot achieve RPO < 5 minutes. Option B is wrong because synchronous replication may introduce latency and affect primary performance, and while it can achieve low RPO, recovery may involve additional steps increasing RTO. Option C is wrong because agent-based backup every 5 minutes may meet RPO but RTO would be higher due to restoration time from backup, often exceeding 15 minutes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Replicate virtual machine images to the DR site daily.
Why it's wrong here
Daily replication results in RPO up to 24 hours, far exceeding the 5-minute requirement.
- ✗
Use synchronous replication to keep data identical.
Why it's wrong here
Synchronous replication can impact application performance due to write latency, and RTO may be higher if VM startup is not automated.
- ✗
Configure agent-based backup to the DR site every 5 minutes.
Why it's wrong here
Though RPO is met, RTO is typically longer due to the time needed to restore from backup and start VMs.
- ✓
Use continuous asynchronous replication to the DR site.
Why this is correct
Continuous replication provides near-real-time RPO (seconds to minutes) and if VMs are pre-configured, can achieve RTO under 15 minutes.
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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.