Quick Answer
The answer is to run `terraform workspace select staging && terraform plan`. This is correct because Terraform workspaces are isolated state environments, and the `plan` command always operates within the currently selected workspace; there is no flag like `-workspace` to override this behavior, so you must explicitly switch to the target workspace before planning. On the HashiCorp Terraform Associate TF-003 exam, this question tests your understanding that workspaces are managed via dedicated subcommands, not through plan or apply flags—a common trap is assuming a `-workspace` flag exists or that you can target a different workspace’s state file directly. To remember this, think of workspaces like separate folders: you cannot read a file from a different folder without first navigating into it, so always pair `terraform workspace select` with your subsequent command.
This TF-003 practice question tests your understanding of use terraform outside the core workflow. 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 team uses Terraform workspaces to manage multiple environments (dev, staging, prod). They are currently in the 'dev' workspace and want to run a plan for the 'staging' workspace without switching workspaces. Which command sequence should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
terraform plan -workspace=staging
Why wrong: '-workspace' is not a valid flag on Terraform commands.
terraform plan -var=workspace=staging
Why wrong: Variables cannot change the workspace.
terraform workspace select staging && terraform plan
Select the target workspace first, then run plan.
terraform plan -state=staging.tfstate
Why wrong: The '-state' flag is deprecated and does not select a workspace.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
terraform workspace select staging && terraform plan
Option C is correct because you must select the workspace first with 'terraform workspace select staging' and then run plan. Option A is wrong because '-workspace' is not a valid flag. Option B is wrong because the variable approach does not change workspace. Option D is wrong because 'terraform plan -state=staging.tfstate' does not switch workspaces.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
terraform plan -workspace=staging
Why it's wrong here
'-workspace' is not a valid flag on Terraform commands.
terraform plan -var=workspace=staging
Why it's wrong here
Variables cannot change the workspace.
terraform workspace select staging && terraform plan
Why this is correct
Select the target workspace first, then run plan.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
terraform plan -state=staging.tfstate
Why it's wrong here
The '-state' flag is deprecated and does not select a workspace.
Common exam traps
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.
Trap categories for this question
Command / output trap
'-workspace' is not a valid flag on Terraform commands.
Detailed technical explanation
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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 — study guide chapter
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FAQ
Use Terraform outside the core workflow — This question tests Use Terraform outside the core workflow — Read the scenario before looking for a memorised answer..
The correct answer is: terraform workspace select staging && terraform plan — Option C is correct because you must select the workspace first with 'terraform workspace select staging' and then run plan. Option A is wrong because '-workspace' is not a valid flag. Option B is wrong because the variable approach does not change workspace. Option D is wrong because 'terraform plan -state=staging.tfstate' does not switch workspaces.
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.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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