The correct answer includes the statement that modules can expose output values via `output` blocks, which is a fundamental feature for sharing data between configurations. This is correct because Terraform modules use `output` blocks to define return values that can be consumed by the root module or other modules, enabling clean separation of concerns and reusability. On the HashiCorp Terraform Associate TF-003 exam, this concept tests your understanding of module composition and data flow, often appearing in questions about inter-module communication or refactoring monolithic configurations. A common trap is confusing `output` blocks with `variable` blocks—remember that outputs are for *returning* values, while variables are for *accepting* them. When studying Terraform modules, sources, outputs, and reuse, focus on how local paths like `source = "./modules/network"` allow you to organize code without remote dependencies. Memory tip: think of a module as a function—inputs are variables, logic is the configuration, and outputs are the return values.
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.
Which THREE statements about Terraform modules are correct?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Module sources can be local file paths.
Option A is correct because Terraform modules can be sourced from local file paths using a relative or absolute path (e.g., `source = "./modules/network"`). This allows you to reuse configuration stored in subdirectories without needing a remote repository or registry. The `source` argument supports local paths as one of its valid source types, enabling modular development within a single project.
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.
✓
Module sources can be local file paths.
Why this is correct
Local paths are valid module sources.
Related concept
Read the scenario before looking for a memorised answer.
✗
Modules must always be in the root directory of the configuration.
Why it's wrong here
Modules can be in subdirectories.
✗
A module can only use one provider.
Why it's wrong here
Modules can use multiple providers via required_providers.
✓
Modules can be sourced from the Terraform Registry.
Why this is correct
Registry is a common source for modules.
Related concept
Read the scenario before looking for a memorised answer.
✓
Modules can expose output values via 'output' blocks.
Why this is correct
Outputs allow data to flow from module to root.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the misconception that modules must reside in the root directory or that a module can only use one provider, leading candidates to incorrectly select option B or C.
Detailed technical explanation
How to think about this question
Under the hood, Terraform resolves module sources using the `source` argument, which supports local paths, Git URLs, HTTP URLs, and the Terraform Registry. When using local paths, Terraform copies the module's `.tf` files into a `.terraform/modules` directory during `terraform init`. A module can use multiple providers by declaring them in `required_providers` and then passing provider configurations explicitly using the `providers` argument in the module block, which is essential for multi-region or multi-account deployments.
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 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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: Module sources can be local file paths. — Option A is correct because Terraform modules can be sourced from local file paths using a relative or absolute path (e.g., `source = "./modules/network"`). This allows you to reuse configuration stored in subdirectories without needing a remote repository or registry. The `source` argument supports local paths as one of its valid source types, enabling modular development within a single project.
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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