VA-003 Explain encryption as a service Practice Question
This VA-003 practice question tests your understanding of explain encryption as a service. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 team has set up automatic key rotation on a transit key. After rotation, encrypted data that was encrypted with the previous key version can no longer be decrypted. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The key's min_decryption_version is set too high
Option B is correct because the `min_decryption_version` setting on a key in a key management system (such as AWS KMS or GCP Cloud KMS) controls the minimum key version that can be used to decrypt ciphertext. If this value is set too high (e.g., to the current version), older key versions are effectively disabled for decryption, causing any data encrypted with a previous key version to become undecryptable. This is a common misconfiguration when automating key rotation without properly managing version policies.
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.
✗
The key was deleted
Why it's wrong here
If the key is deleted, decryption would fail entirely, but rotation typically does not delete old versions.
✓
The key's min_decryption_version is set too high
Why this is correct
If min_decryption_version is higher than the version used for encryption, decryption requests are rejected.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The key's min_encryption_version is set too high
Why it's wrong here
min_encryption_version affects encryption, not decryption.
✗
The team used the 'rewrap' operation incorrectly
Why it's wrong here
Rewrapping updates ciphertext to a newer version; incorrect use would not prevent decryption of old ciphertext.
✗
The key is not exportable
Why it's wrong here
Exportable is unrelated to decryption capability; it controls key extraction.
Common exam traps
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the distinction between `min_encryption_version` and `min_decryption_version`, trapping candidates who confuse the two or assume that key rotation automatically invalidates old decryption capabilities.
Detailed technical explanation
How to think about this question
In key management services like AWS KMS, each key version has a unique identifier and a creation date. The `min_decryption_version` parameter is often implemented as a policy condition or a key state that prevents decryption requests from referencing key versions older than the specified threshold. For example, in AWS KMS, you can use a key policy with a `kms:Decrypt` condition that checks the `kms:EncryptionContextKeys` or a custom condition on the key version ID. A real-world scenario is when an organization sets `min_decryption_version` to the latest version during a rotation window, inadvertently breaking access to archived data encrypted with older versions, which can lead to data loss if not carefully managed.
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.
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: The key's min_decryption_version is set too high — Option B is correct because the `min_decryption_version` setting on a key in a key management system (such as AWS KMS or GCP Cloud KMS) controls the minimum key version that can be used to decrypt ciphertext. If this value is set too high (e.g., to the current version), older key versions are effectively disabled for decryption, causing any data encrypted with a previous key version to become undecryptable. This is a common misconfiguration when automating key rotation without properly managing version policies.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This VA-003 practice question is part of Courseiva's free HashiCorp 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 VA-003 exam.
Question Discussion
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