The answer is to use performance replication and configure a mount filter. This is correct because performance replication allows you to replicate secret data across Vault clusters while mount filters give you granular control to include or exclude specific secrets engines from the replication stream, directly addressing compliance requirements without needing separate infrastructure. On the HashiCorp Vault Associate VA-003 exam, this scenario tests your understanding of replication types and mount filter syntax—a common trap is confusing performance replication with disaster recovery replication, which replicates everything and cannot filter mounts. Remember the mnemonic “Performance for selective, DR for full” to keep the distinction clear.
VA-003 Compare and configure secrets engines Practice Question
This VA-003 practice question tests your understanding of compare and configure secrets engines. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company has multiple Vault clusters in different regions. They want to use the replication feature to synchronise secrets across clusters. However, they want to exclude a specific secrets engine from replication for compliance reasons. What should they do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use performance replication and configure a mount filter.
Performance replication in Vault allows you to replicate secret data across clusters while using mount filters to include or exclude specific secrets engines. This is the correct approach because mount filters are designed precisely for this use case, enabling selective replication to meet compliance requirements without creating separate infrastructure.
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.
✗
Create a separate Vault cluster for that secrets engine.
Why it's wrong here
That would be overly complex and not a replication feature.
✗
Disable replication on that specific mount.
Why it's wrong here
Replication is per cluster, not per mount; cannot disable for a single mount.
✗
Use disaster recovery (DR) replication and exclude the mount.
Why it's wrong here
DR replication replicates all mounts; cannot exclude specific ones.
✓
Use performance replication and configure a mount filter.
Why this is correct
Performance replication supports mount filtering with path_filter.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the distinction between performance replication (which supports mount filters) and DR replication (which does not), leading candidates to incorrectly choose DR replication when the requirement is selective exclusion.
Detailed technical explanation
How to think about this question
Under the hood, Vault's performance replication uses a write-forwarding mechanism where writes to a primary cluster are asynchronously replicated to secondaries. Mount filters are configured via the `sys/replication/performance/primary/mount-filter` API endpoint, allowing administrators to specify a set of mount paths to include or exclude from replication. This granular control is essential in multi-region deployments where certain secrets engines (e.g., those containing PII) must remain isolated due to data sovereignty laws.
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 VA-003 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.
Compare and configure secrets engines — This question tests Compare and configure secrets engines — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use performance replication and configure a mount filter. — Performance replication in Vault allows you to replicate secret data across clusters while using mount filters to include or exclude specific secrets engines. This is the correct approach because mount filters are designed precisely for this use case, enabling selective replication to meet compliance requirements without creating separate infrastructure.
What should I do if I get this VA-003 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.
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Question Discussion
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