This VA-003 practice question tests your understanding of manage vault leases. 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.
An admin needs to check the remaining lifespan of a lease. Which command should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
vault lease lookup <lease_id>
The `vault lease lookup` command displays lease details including remaining TTL. Option D is correct. Option A reads from sys/leases/lookup but that path is for listing leases, not a single lease. Option B lists leases, not checks a specific lease. Option C with -increment=0 would attempt a renewal, not a lookup.
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.
✗
vault read sys/leases/lookup/<lease_id>
Why it's wrong here
This path is for listing leases under a mount, not for a specific lease.
✗
vault lease list <lease_id>
Why it's wrong here
vault lease list is used to list leases under a prefix, not to lookup a single lease.
✓
vault lease lookup <lease_id>
Why this is correct
This command shows the lease details including remaining TTL.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
vault lease renew -increment=0 <lease_id>
Why it's wrong here
This attempts to renew the lease with zero increment, which may not show remaining TTL.
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.
Trap categories for this question
Command / output trap
This attempts to renew the lease with zero increment, which may not show remaining TTL.
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.
Manage Vault leases — This question tests Manage Vault leases — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: vault lease lookup <lease_id> — The `vault lease lookup` command displays lease details including remaining TTL. Option D is correct. Option A reads from sys/leases/lookup but that path is for listing leases, not a single lease. Option B lists leases, not checks a specific lease. Option C with -increment=0 would attempt a renewal, not a lookup.
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: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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