The answer is to disable the TTL attribute on the DynamoDB table that stores lock information. This is correct because Terraform’s state locking mechanism relies on lock records persisting in DynamoDB until the process that created them explicitly releases the lock. When TTL is enabled on the LockID field, DynamoDB automatically deletes old lock records after a few minutes, which can cause a new `terraform apply` to encounter a “ConditionalCheckFailedException” error if it detects a stale lock entry that was prematurely removed, or if a concurrent `terraform plan` from a CI/CD pipeline creates a lock that gets deleted before it is released. On the HashiCorp Terraform Associate TF-003 exam, this scenario tests your understanding of remote state locking and DynamoDB configuration pitfalls; a common trap is to assume increasing the TTL value will fix the issue, but that only delays the problem rather than preventing it. Remember: TTL on lock tables is like a self-destruct button for your locks—disable it to keep your state safe.
TF-003 Use Terraform outside the core workflow Practice Question
This TF-003 practice question tests your understanding of use terraform outside the core workflow. 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 DevOps team manages infrastructure for a large e-commerce platform using Terraform with a remote backend in an S3 bucket with DynamoDB state locking. Recently, a team member ran `terraform apply` from their local machine but the command failed with the error: 'Error acquiring the state lock: ConditionalCheckFailedException: The conditional request failed'. The state file is not locked according to the DynamoDB table. After investigation, the team finds that the DynamoDB table has a TTL attribute enabled on the 'LockID' field, and old lock records are automatically deleted after a few minutes. The team suspects that another engineer's `terraform plan` process from a CI/CD pipeline might have created a lock that was subsequently deleted by TTL before it was released, causing the conflict. Which action should the team take to prevent this issue from recurring?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Disable the TTL attribute on the DynamoDB table that stores lock information.
Disabling TTL on the DynamoDB table ensures that lock records are not automatically deleted, so the state locking mechanism works correctly. Option B is wrong because increasing the TTL still risks deletion before release. Option C is wrong because `force-unlock` is a reactive measure, not preventive. Option D is wrong because using local state would lose locking and central management.
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.
✗
Switch to using local state files to avoid the locking issue entirely.
Why it's wrong here
Local state introduces risks of conflicts and lack of centralization.
✓
Disable the TTL attribute on the DynamoDB table that stores lock information.
Why this is correct
TTL should not be used on state lock tables; manual cleanup if needed.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the TTL value to 24 hours to ensure locks are not deleted during normal operations.
Why it's wrong here
Even with longer TTL, locks could still be deleted prematurely if a run takes longer.
✗
Use `terraform force-unlock` before each `terraform apply` to clear any stale locks.
Why it's wrong here
Force-unlock is for manual intervention, not a preventive measure.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 TF-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 TF-003 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Use Terraform outside the core workflow — This question tests Use Terraform outside the core workflow — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Disable the TTL attribute on the DynamoDB table that stores lock information. — Disabling TTL on the DynamoDB table ensures that lock records are not automatically deleted, so the state locking mechanism works correctly. Option B is wrong because increasing the TTL still risks deletion before release. Option C is wrong because `force-unlock` is a reactive measure, not preventive. Option D is wrong because using local state would lose locking and central management.
What should I do if I get this TF-003 question wrong?
Identify which TF-003 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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