The correct action is to verify that the policy in the Asia-Pacific cluster grants the 'decrypt' capability on the key path for older key versions. This resolves the failure because performance replication synchronizes transit keys and their metadata, but it does not automatically ensure that older key versions remain accessible for decryption if the local policy restricts access to only the latest version. When a key is rotated in the primary region, the new version is replicated, but without explicit policy coverage for prior versions, the transit engine may return a 'key version not found' error for data encrypted under those older keys. On the HashiCorp Vault Associate VA-003 exam, this scenario tests your understanding of how replication interacts with policy scoping—a common trap is assuming replication alone guarantees full key history availability. Remember the mnemonic: “Replication syncs the key, but policy unlocks the version.”
VA-003 Explain encryption as a service Practice Question
This VA-003 practice question tests your understanding of explain encryption as a service. 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 multinational corporation uses Vault Enterprise with the transit engine to encrypt sensitive financial data across multiple cloud regions. Each region has its own Vault cluster, and they use performance replication to synchronize transit keys. Recently, the team in the Asia-Pacific region reports that encryption operations are slower than in other regions. They also notice that some decryption requests for data encrypted with a key that was rotated in the primary region are failing with 'key version not found' errors. The transit key is named 'fin-key' and has been rotated three times. The Asia-Pacific cluster is up-to-date with replication according to the replication status dashboard. Which action should the operations team take to resolve the decryption failures?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify that the policy in the Asia-Pacific cluster grants 'decrypt' capability on the key path for older key versions.
The decryption failures are caused by missing key versions in the Asia-Pacific cluster's transit engine. Even though performance replication synchronizes transit keys, older key versions may not be replicated if the transit engine's key version caching or policy does not explicitly grant access to them. Verifying that the policy includes 'decrypt' capability on the key path for older key versions ensures that the cluster can serve decryption requests for data encrypted with rotated keys.
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.
✓
Verify that the policy in the Asia-Pacific cluster grants 'decrypt' capability on the key path for older key versions.
Why this is correct
Policy might be missing decrypt on older versions.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the performance standby count in the Asia-Pacific cluster.
Why it's wrong here
Addresses performance, not decryption errors.
✗
Manually copy the key material from the primary to the secondary cluster.
Why it's wrong here
Replication should handle this.
✗
Re-encrypt all data encrypted with version 1 of 'fin-key' using the current version.
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the misconception that replication automatically grants all capabilities, but the trap here is that policy must explicitly allow access to older key versions, and candidates may incorrectly focus on replication health or manual key copying instead.
Detailed technical explanation
How to think about this question
In Vault Enterprise, performance replication replicates transit keys and their versions across clusters, but the transit engine's key version history is stored in the backend and must be accessible via the cluster's policy. The 'key version not found' error typically occurs when the policy on the secondary cluster does not include the 'decrypt' capability for the specific key version path (e.g., 'transit/decrypt/fin-key/1'), even if the key material is present. This is distinct from a replication lag issue, which would show in the replication status dashboard as out-of-date.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Explain encryption as a service — This question tests Explain encryption as a service — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Verify that the policy in the Asia-Pacific cluster grants 'decrypt' capability on the key path for older key versions. — The decryption failures are caused by missing key versions in the Asia-Pacific cluster's transit engine. Even though performance replication synchronizes transit keys, older key versions may not be replicated if the transit engine's key version caching or policy does not explicitly grant access to them. Verifying that the policy includes 'decrypt' capability on the key path for older key versions ensures that the cluster can serve decryption requests for data encrypted with rotated keys.
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.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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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