- A
Create a VPC with no default route to the internet and enforce using network tags
Creating a VPC with no default route to the internet and using network tags to enforce that only instances with specific tags can be created, combined with firewall rules that block traffic from instances with public IPs, can effectively prevent public IP access, though it does not directly block creation.
- B
Use IAM conditions to allow create only when instances do not have external IPs
Why wrong: IAM conditions must be attached to a custom role or binding to enforce this restriction; simply mentioning IAM conditions without specifying the custom role does not provide a complete method.
- C
Create a custom IAM role that denies the `compute.instances.create` permission
Why wrong: Denying the `compute.instances.create` permission would prevent all VM creation, not just those with public IPs, making it too broad.
- D
Use an organization policy constraint `compute.vmExternalIpAccess`
The organization policy constraint `compute.vmExternalIpAccess` directly denies VMs with external IPs at the organization, folder, or project level.
- E
Use a custom role with `compute.instances.create` and add a condition that checks for the absence of external IPs
Using a custom IAM role with the `compute.instances.create` permission and adding an IAM condition like `resource.hasExternalIp == false` allows creation only of instances without public IPs, enforcing the restriction.
Google ACE Organization policy constraint Practice Question
This ACE practice question tests your understanding of setting up a cloud solution environment. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: organization policy constraint. 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 company has multiple GCP projects and wants to enforce a policy that prevents the creation of VMs with public IP addresses. Which three methods can be used to enforce this restriction? (Choose THREE.)
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
Create a VPC with no default route to the internet and enforce using network tags
Organization policies (constraint `compute.vmExternalIpAccess`), VPC network tags with firewall rules that block traffic from instances with public IPs, and custom roles with IAM conditions that check for the absence of external IPs can all help restrict public IPs. Option B is incomplete because IAM conditions must be attached to a custom role or binding to enforce this restriction; simply mentioning IAM conditions without specifying the custom role does not provide a complete method.
Key principle: Organization policy constraint
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a VPC with no default route to the internet and enforce using network tags
Why this is correct
Creating a VPC with no default route to the internet and using network tags to enforce that only instances with specific tags can be created, combined with firewall rules that block traffic from instances with public IPs, can effectively prevent public IP access, though it does not directly block creation.
Related concept
Organization policy constraint
- ✗
Use IAM conditions to allow create only when instances do not have external IPs
Why it's wrong here
IAM conditions must be attached to a custom role or binding to enforce this restriction; simply mentioning IAM conditions without specifying the custom role does not provide a complete method.
- ✗
Create a custom IAM role that denies the `compute.instances.create` permission
- ✓
Use an organization policy constraint `compute.vmExternalIpAccess`
Why this is correct
The organization policy constraint `compute.vmExternalIpAccess` directly denies VMs with external IPs at the organization, folder, or project level.
Related concept
Organization policy constraint
- ✓
Use a custom role with `compute.instances.create` and add a condition that checks for the absence of external IPs
Why this is correct
Using a custom IAM role with the `compute.instances.create` permission and adding an IAM condition like `resource.hasExternalIp == false` allows creation only of instances without public IPs, enforcing the restriction.
Related concept
Organization policy constraint
Common exam traps
Common exam trap: answer the scenario, not the keyword
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.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Organization policy constraint
- IAM conditions
- Custom role
- VPC network tags
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
Organization policy constraint
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review organization policy constraint, then practise related ACE questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this ACE question test?
Setting Up a Cloud Solution Environment — This question tests Setting Up a Cloud Solution Environment — Organization policy constraint.
What is the correct answer to this question?
The correct answer is: Create a VPC with no default route to the internet and enforce using network tags — Organization policies (constraint `compute.vmExternalIpAccess`), VPC network tags with firewall rules that block traffic from instances with public IPs, and custom roles with IAM conditions that check for the absence of external IPs can all help restrict public IPs. Option B is incomplete because IAM conditions must be attached to a custom role or binding to enforce this restriction; simply mentioning IAM conditions without specifying the custom role does not provide a complete method.
What should I do if I get this ACE question wrong?
Review organization policy constraint, then practise related ACE questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Organization policy constraint
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Last reviewed: Jul 4, 2026
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.
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