TERRAFORM-003 Practice Questions: Use Terraform outside the core workflow Domain

Published: August 31, 2025 | 10 min read

Test your TERRAFORM-003 knowledge with 5 practice questions from the Use Terraform outside the core workflow domain. Includes detailed explanations and answers.

TERRAFORM-003 Practice Questions

Master the Use Terraform outside the core workflow Domain

Test your knowledge in the Use Terraform outside the core workflow domain with these 5 practice questions. Each question is designed to help you prepare for the TERRAFORM-003 certification exam with detailed explanations to reinforce your learning.

Question 1

You are managing an infrastructure with Terraform and need to update a resource that has been moved to a different module. You want to ensure that the state reflects this change without causing a resource recreation. Which feature should you use to accomplish this?

A) Use the `moved` block in your Terraform configuration.

B) Use `terraform apply -replace` to update the state.

C) Use `terraform init -reconfigure` to refresh the state.

D) Use `terraform import` to bring the resource into the new module.

Show Answer & Explanation

Correct Answer: A

Explanation: The `moved` block is used to inform Terraform about resources that have been moved to a different location in the configuration. This updates the state without recreating the resource. `terraform apply -replace` forces recreation, `terraform init -reconfigure` is for backend configuration, and `terraform import` is for importing existing resources.

Question 2

While managing a Terraform project, you notice that a resource is being recreated unnecessarily during each `terraform apply`. What is the best way to prevent this behavior?

A) Use `lifecycle { ignore_changes = ["*"] }` in the resource block.

B) Use `terraform apply -replace` to force recreation only when needed.

C) Use `lifecycle { prevent_destroy = true }` in the resource block.

D) Remove the resource from the Terraform configuration.

Show Answer & Explanation

Correct Answer: A

Explanation: Option A is correct because `lifecycle { ignore_changes = ["*"] }` prevents Terraform from detecting changes to the resource, thus avoiding unnecessary recreations. Option B is incorrect because it forces recreation, not prevention. Option C is incorrect because `prevent_destroy` prevents deletion, not recreation. Option D is incorrect as it removes the resource from management, which is not the goal.

Question 3

You are working with Terraform workspaces to manage different environments for your application. You mistakenly deployed a resource in the wrong workspace. What is the best way to correct this mistake without affecting the other environments?

A) Use `terraform apply -replace` to force recreation in the correct workspace.

B) Delete the resource manually from the cloud provider and redeploy using the correct workspace.

C) Switch to the correct workspace using `terraform workspace select` and redeploy the resource.

D) Use `terraform destroy` in the current workspace and then redeploy in the correct workspace.

Show Answer & Explanation

Correct Answer: C

Explanation: Option C is correct because switching to the correct workspace with `terraform workspace select` allows you to manage resources in the intended environment without affecting other workspaces. Option A does not address the issue of the workspace context. Option B involves manual steps that can lead to inconsistencies. Option D unnecessarily destroys resources, which is not ideal.

Question 4

You are configuring a Terraform project to use variable validation for a variable that accepts a list of strings. Which feature should you use to ensure that each string in the list matches a specific pattern?

A) Use `validation` blocks within the variable definition.

B) Define a `for_each` loop to iterate and check each string.

C) Implement a `count` condition to validate each string.

D) Apply a `depends_on` constraint to enforce validation.

Show Answer & Explanation

Correct Answer: A

Explanation: The `validation` block within a variable definition allows you to specify conditions that each element of a list must satisfy. This is the most appropriate and direct way to enforce pattern matching for variable values. Option B and C are not suitable for validation purposes, and option D is used for resource dependencies, not validation.

Question 5

You are managing a Terraform configuration for a multi-cloud environment using AWS and Azure. You need to update a resource in AWS but want to ensure that the Azure resources remain unchanged. Which command should you use to achieve this without affecting the Azure resources?

A) terraform apply -replace='aws_instance.my_instance'

B) terraform apply -target='aws_instance.my_instance'

C) terraform apply -replace='azure_resource_group.my_group'

D) terraform apply -target='azure_resource_group.my_group'

Show Answer & Explanation

Correct Answer: A

Explanation: The command 'terraform apply -replace='aws_instance.my_instance'' is used to force the recreation of a specific AWS resource without affecting other resources. Option B targets a resource for update but does not force recreation. Options C and D incorrectly refer to Azure resources, which you do not intend to change.

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