This VA-003 practice question tests your understanding of create vault policies. 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 DevOps team has configured a Vault policy to allow reading secrets from the 'secret/data/engineering' path. The policy contains:
However, when a user attempts to read a secret at 'secret/data/engineering/db/password', they receive a permission denied error. 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 policy uses a single asterisk, which does not match nested paths; it should use double asterisk or specify the exact path.
Option A is correct because Vault's path glob treats a single asterisk (*) as matching any sequence of characters except '/'. Therefore, it does not match nested paths. To match nested paths, use double asterisk (**). Option B is incorrect because 'deny' is not a valid capability. Option C is possible but less likely given the policy pattern. Option D is incorrect; the mount path is correct for KV v2.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 policy uses a single asterisk, which does not match nested paths; it should use double asterisk or specify the exact path.
Why this is correct
A single * does not cross directory boundaries in path matching.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
The policy lacks the 'deny' capability to override the default deny.
Why it's wrong here
'deny' is not a valid capability in Vault policies.
✗
The secret engine's mount path is different; it is mounted at 'secret/' but the policy expects 'secret/data/'.
Why it's wrong here
The path 'secret/data/engineering/*' is correct for KV v2 mounted at 'secret/'.
✗
The user's token does not have the correct identity policies attached.
Why it's wrong here
While possible, the most likely cause is the path pattern issue.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related VA-003 NAT questions on configuration and troubleshooting.
Create Vault policies — This question tests Create Vault policies — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The policy uses a single asterisk, which does not match nested paths; it should use double asterisk or specify the exact path. — Option A is correct because Vault's path glob treats a single asterisk (*) as matching any sequence of characters except '/'. Therefore, it does not match nested paths. To match nested paths, use double asterisk (**). Option B is incorrect because 'deny' is not a valid capability. Option C is possible but less likely given the policy pattern. Option D is incorrect; the mount path is correct for KV v2.
What should I do if I get this VA-003 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related VA-003 NAT questions on configuration and troubleshooting.
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?
Static NAT maps one inside address to one outside address.
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