The correct answer is create_before_destroy and depends_on, as these two meta-arguments directly control the order of resource creation and destruction in Terraform. The create_before_destroy lifecycle meta-argument ensures that a new resource is provisioned before the existing one is removed, which is critical for zero-downtime updates, while depends_on establishes explicit dependencies between resources, forcing Terraform to create or destroy them in a specified sequence. On the HashiCorp Terraform Associate TF-003 exam, this question tests your understanding of lifecycle ordering meta-arguments and their role in managing resource behavior, often appearing as a trap where candidates confuse count or for_each (which handle multiplicity, not ordering) with actual ordering controls. A common memory tip is to think of create_before_destroy as “swap first, then remove” and depends_on as “I need that before I start.”
TF-003 Read, generate and modify configuration Practice Question
This TF-003 practice question tests your understanding of read, generate and modify configuration. 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 engineer wants to modify the Terraform configuration to control resource lifecycle behavior. Which TWO meta-arguments can be used to influence the order of creation and destruction?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
create_before_destroy
Options A and C are correct. Option A: create_before_destroy causes a new resource to be created before destroying the old one. Option C: depends_on ensures explicit ordering. Option B is wrong because count is for creating multiple resources, not ordering. Option D is wrong because for_each is for iteration, not ordering. Option E is wrong because lifecycle { prevent_destroy } prevents destruction but does not affect creation order.
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.
✓
create_before_destroy
Why this is correct
This lifecycle argument creates a replacement resource before destroying the existing one.
Related concept
Read the scenario before looking for a memorised answer.
✓
depends_on
Why this is correct
depends_on explicitly sets dependency order between resources.
Related concept
Read the scenario before looking for a memorised answer.
✗
for_each
Why it's wrong here
for_each creates multiple instances from a map, does not control order.
✗
prevent_destroy
Why it's wrong here
prevent_destroy blocks destruction but does not affect creation order.
✗
count
Why it's wrong here
count creates multiple instances but does not control creation/destruction order.
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.
Read, generate and modify configuration — This question tests Read, generate and modify configuration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: create_before_destroy — Options A and C are correct. Option A: create_before_destroy causes a new resource to be created before destroying the old one. Option C: depends_on ensures explicit ordering. Option B is wrong because count is for creating multiple resources, not ordering. Option D is wrong because for_each is for iteration, not ordering. Option E is wrong because lifecycle { prevent_destroy } prevents destruction but does not affect creation order.
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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