Google ACE Setting Up a Cloud Solution Environment Practice Question
You need to delete a GCP project, but the deletion fails with an error. What is the most likely cause?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The project's billing account is still linked
GCP requires that billing be disabled before a project can be deleted. If billing is still active, deletion will fail.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The project has IAM policies attached
Why it's wrong here
IAM policies are metadata that define who can access project resources; they do not represent billable or deletable resources. A project can be deleted with its IAM bindings intact, as deletion removes the entire project and all associated metadata. The actual blocker for deletion is typically an enabled billing account, not the presence of IAM policies. To delete a project, the caller only needs the resourcemanager.projects.delete permission, not a removal of IAM bindings.
- ✗
The project still has active resources such as Compute Engine instances
Why it's wrong here
Active resources such as Compute Engine instances do not prevent project deletion; the delete operation shuts down and removes all resources within the project. When a project is deleted, it initiates a shutdown phase, during which all running instances are stopped and billed usage ceases. You do not need to manually delete instances first, and a project with running VMs can still be deleted from the console or API as long as billing is disabled.
- ✗
The project is in a folder
Why it's wrong here
Being placed in a folder is purely an organizational grouping mechanism and does not impose any deletion restrictions. The folder hierarchy is about policy inheritance and resource management, not about project lifecycle. Deleting a project within a folder is permitted as long as you have the appropriate delete permission on the project and billing is disabled. The folder itself remains intact, and the project is simply removed from the tree.
- ✓
The project's billing account is still linked
Why this is correct
The correct answer is that a linked billing account prevents project deletion. Google Cloud requires you to disable billing for a project before it can be deleted, because deletion finalizes cost responsibility and prevents accidental ongoing charges. The console will display an error such as 'Billing must be disabled' if the project is still linked to a billing account. You must detach the billing account or disable the project's billing, then initiate the deletion process.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ACE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ACE exam.