VA-003 Compare and configure secrets engines Practice Question
This VA-003 practice question tests your understanding of compare and configure secrets engines. 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 Vault administrator configures an AWS secrets engine role with credential_type=iam_user and attaches a policy that allows creating EC2 instances. A developer generates credentials and uses them to launch an EC2 instance. Later the lease expires and Vault revokes the IAM user. What happens to the EC2 instance?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The instance continues to run because IAM user revocation does not affect running instances
When Vault revokes an IAM user, it deletes the IAM user credentials, but this does not affect resources already launched by that user. The EC2 instance runs under its own instance profile and is not tied to the IAM user's session after launch. AWS does not retroactively terminate or stop instances based on IAM user revocation; the instance continues to run until explicitly stopped or terminated.
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 instance continues to run because IAM user revocation does not affect running instances
Why this is correct
Correct; the instance uses its instance profile.
Related concept
Read the scenario before looking for a memorised answer.
✗
The instance fails with a permission error
Why it's wrong here
No; the instance continues to operate normally.
✗
The instance is immediately terminated
Why it's wrong here
No; the instance is independent of the IAM user after launch.
✗
The instance is stopped after a grace period
Why it's wrong here
No grace period; instance remains running.
Common exam traps
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the misconception that revoking IAM credentials will immediately impact running resources, but in AWS, IAM revocation only affects future API calls, not existing instances.
Detailed technical explanation
How to think about this question
Under the hood, the IAM user's credentials are used only for the API call to RunInstances. Once the instance is launched, it obtains a temporary credential via its instance profile (if assigned) or operates without further dependency on the original user. Vault's lease revocation deletes the IAM user, but AWS does not cascade this to running resources because IAM policies are evaluated at the time of API calls, not retroactively. In real-world scenarios, this means revoked credentials can still leave orphaned resources, requiring separate cleanup workflows.
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.
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: The instance continues to run because IAM user revocation does not affect running instances — When Vault revokes an IAM user, it deletes the IAM user credentials, but this does not affect resources already launched by that user. The EC2 instance runs under its own instance profile and is not tied to the IAM user's session after launch. AWS does not retroactively terminate or stop instances based on IAM user revocation; the instance continues to run until explicitly stopped or terminated.
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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