Terraform plan for preview - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the terraform plan command do?

It shows a preview of the changes Terraform will make to your infrastructure without applying them. It helps you understand what will be created, changed, or destroyed.

beginner

Why is it important to run terraform plan before terraform apply?

Running terraform plan helps catch mistakes early by showing what changes will happen. This prevents unexpected or harmful changes to your infrastructure.

beginner

What does it mean if terraform plan shows no changes?

It means your current infrastructure matches the configuration files exactly, so no updates, creations, or deletions are needed.

intermediate

How can you save the output of terraform plan for later use?

You can save the plan to a file using terraform plan -out=planfile. Later, you can apply this exact plan with terraform apply planfile.

beginner

What is the difference between terraform plan and terraform apply?

terraform plan previews changes without making them. terraform apply actually makes the changes to your infrastructure.

What does terraform plan primarily do?

A Initializes Terraform configuration

B Shows a preview of infrastructure changes

C Deletes all resources

D Applies changes to infrastructure

terraform plan previews changes without applying them.

How do you save a Terraform plan to a file?

A terraform plan -out=planfile

B terraform plan -save=planfile

C terraform save planfile

D terraform apply -plan=planfile

Use terraform plan -out=planfile to save the plan.

If terraform plan shows no changes, what does it mean?

A Terraform will destroy all resources

B Terraform configuration has errors

C Your infrastructure matches the configuration

D Terraform will create new resources

No changes means infrastructure matches the config.

Which command actually makes changes to your infrastructure?

A terraform apply

B terraform init

C terraform plan

D terraform validate

terraform apply applies the planned changes.

Why should you run terraform plan before terraform apply?

A To backup your infrastructure

B To delete resources

C To initialize Terraform

D To preview changes and avoid mistakes

Planning helps catch mistakes before applying changes.

Explain the purpose and benefits of using terraform plan in your workflow.

Think about how seeing changes before applying helps you.

Describe the difference between terraform plan and terraform apply.

One shows what will happen, the other makes it happen.