PCDOE Practice Question: Bootstrapping a Google Cloud organization for DevOps
This PCDOE practice question tests your understanding of bootstrapping a google cloud organization for devops. 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. 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.
During bootstrapping, a DevOps lead wants to ensure that all projects in the 'dev' folder have a consistent set of VPC firewall rules and network policies. They are considering using a shared VPC or VPC Network Peering. Which approach provides the most control and consistency for DevOps teams while minimizing administrative overhead?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement a shared VPC with a host project managed by the network team, and allow DevOps teams to use subnets in their service projects.
A shared VPC with a host project managed by the network team provides centralized control over VPC firewall rules and network policies, ensuring consistency across all service projects in the 'dev' folder. This approach minimizes administrative overhead because DevOps teams can create subnets in their service projects without needing to manage network infrastructure, while the network team enforces a uniform security posture.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Implement a shared VPC with a host project managed by the network team, and allow DevOps teams to use subnets in their service projects.
Why this is correct
Shared VPC centralizes network administration while enabling resource reuse.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use VPC Service Controls to define perimeters for each project.
Why it's wrong here
VPC Service Controls are for preventing data exfiltration, not network connectivity.
✗
Create a separate VPC in each project and use Cloud VPN to connect them.
Why it's wrong here
This is more complex and does not provide consistency.
✗
Use VPC Network Peering between all projects to allow connectivity.
Why it's wrong here
Peering does not enforce consistent policies; each project controls its own firewalls.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse VPC Network Peering with shared VPC, assuming peering provides centralized policy control, but peering only enables connectivity while each VPC retains independent firewall and policy management.
Detailed technical explanation
How to think about this question
In a shared VPC, the host project's VPC network contains subnets that are shared with service projects via IAM roles (e.g., compute.networkUser). Firewall rules and network policies are defined once in the host project and apply to all attached resources, ensuring consistency. This model leverages Google Cloud's hierarchical firewall rules (organization-level or folder-level) to enforce policies across the entire 'dev' folder, reducing the risk of misconfiguration compared to per-project management.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Bootstrapping a Google Cloud organization for DevOps — This question tests Bootstrapping a Google Cloud organization for DevOps — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Implement a shared VPC with a host project managed by the network team, and allow DevOps teams to use subnets in their service projects. — A shared VPC with a host project managed by the network team provides centralized control over VPC firewall rules and network policies, ensuring consistency across all service projects in the 'dev' folder. This approach minimizes administrative overhead because DevOps teams can create subnets in their service projects without needing to manage network infrastructure, while the network team enforces a uniform security posture.
What should I do if I get this PCDOE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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