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. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 organization uses Terraform Cloud for team collaboration. They have a workspace that manages production infrastructure. Due to a security policy, they must ensure that all changes go through a peer review process before they are applied. How can they enforce this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable 'apply on merge' and set the workspace to require approval before applying.
Option A is correct because enabling 'apply on merge' combined with requiring approval before applying enforces a peer review process: changes must be merged via a VCS pull request (triggering the plan), and then a separate approval step is needed before Terraform Cloud applies the changes. This ensures that no change is applied without explicit human approval after the plan is reviewed.
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.
✓
Enable 'apply on merge' and set the workspace to require approval before applying.
Why this is correct
This ensures that runs are created on merge and require explicit approval before apply.
Related concept
Read the scenario before looking for a memorised answer.
✗
Require all changes to be submitted via a VCS pull request.
Why it's wrong here
This doesn't enforce approval within Terraform Cloud; it only ensures VCS review.
✗
Use run triggers to automatically apply after a successful plan in another workspace.
Why it's wrong here
Run triggers automate runs but don't enforce approval.
✗
Lock the workspace and only unlock it for approved changes.
Why it's wrong here
Locking prevents any changes, which is too restrictive and not a workflow.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'requiring a VCS pull request' (option B) with enforcing peer review, but without the approval step, the apply can still happen automatically after merge, bypassing the intended review gate.
Detailed technical explanation
How to think about this question
Under the hood, Terraform Cloud's 'apply on merge' setting ties the run lifecycle to VCS merge events: when a PR is merged, a plan is queued automatically. The 'require approval before applying' setting then pauses the run after the plan completes, waiting for a user with the 'apply' permission to manually confirm. This two-step process (merge + approval) creates an auditable trail and enforces separation of duties, which is critical for compliance frameworks like SOC 2 or PCI-DSS.
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 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: Enable 'apply on merge' and set the workspace to require approval before applying. — Option A is correct because enabling 'apply on merge' combined with requiring approval before applying enforces a peer review process: changes must be merged via a VCS pull request (triggering the plan), and then a separate approval step is needed before Terraform Cloud applies the changes. This ensures that no change is applied without explicit human approval after the plan is reviewed.
What should I do if I get this TF-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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