The correct strategies are synchronous replication across regions and application-level multi-region writes, as both achieve an RPO of zero by ensuring no committed data is lost during a failover. Synchronous replication guarantees that every write is mirrored to a secondary site before the client receives acknowledgment, while multi-region writes let the application independently commit data to multiple databases simultaneously, eliminating any single point of failure. On the CompTIA Cloud+ CV0-004 exam, this concept tests your understanding of RPO versus RTO trade-offs—a common trap is confusing asynchronous replication (which risks data loss) with synchronous methods. Remember that for minimal data loss, you need synchronous behavior at either the storage or application layer. Memory tip: “Sync and multi-write, no data takes flight.”
CV0-004 Operations and Support Practice Question
This CV0-004 practice question tests your understanding of operations and support. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A cloud architect is designing a disaster recovery plan. Which TWO strategies ensure minimal data loss?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Synchronous replication across regions
Synchronous replication across regions (B) ensures that every write is committed to both the primary and secondary sites before acknowledging the client, resulting in zero data loss (RPO=0) in the event of a failover. Application-level multi-region writes (D) allow the application to write directly to multiple independent databases simultaneously, ensuring that all regions have the latest data and no data is lost if one region fails.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Daily backups stored in the same data center
Why it's wrong here
Daily backups risk losing up to 24 hours of data and are in the same location.
✓
Synchronous replication across regions
Why this is correct
Synchronous replication guarantees zero data loss as data is written to both sites before acknowledgment.
Related concept
Read the scenario before looking for a memorised answer.
✗
Asynchronous replication with hourly snapshots
Why it's wrong here
Asynchronous replication may lose up to an hour of data; RPO is higher.
✓
Application-level multi-region writes
Why this is correct
Application-level writes to multiple regions ensure data is consistent across locations with minimal latency.
Related concept
Read the scenario before looking for a memorised answer.
✗
Periodic manual exports to on-premises storage
Why it's wrong here
Manual exports are infrequent and prone to human error, resulting in significant data loss.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse asynchronous replication (which has a non-zero RPO) with synchronous replication (which has zero RPO), or they mistakenly believe that daily backups in the same data center are sufficient for disaster recovery, ignoring the need for geographic separation and low RPO.
Detailed technical explanation
How to think about this question
Synchronous replication typically uses protocols like SCSI-3 persistent reservations or vendor-specific replication engines (e.g., AWS Multi-AZ RDS synchronous replication) to guarantee write ordering and consistency across sites. Application-level multi-region writes require careful handling of conflict resolution (e.g., CRDTs or last-writer-wins) and often rely on distributed consensus algorithms like Paxos or Raft to maintain data integrity across geographically separated data centers.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CV0-004 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Operations and Support — This question tests Operations and Support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Synchronous replication across regions — Synchronous replication across regions (B) ensures that every write is committed to both the primary and secondary sites before acknowledging the client, resulting in zero data loss (RPO=0) in the event of a failover. Application-level multi-region writes (D) allow the application to write directly to multiple independent databases simultaneously, ensuring that all regions have the latest data and no data is lost if one region fails.
What should I do if I get this CV0-004 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.