- A
Use a shared VPC and a single Cloud Build private pool accessible to all projects, and configure triggers in each project.
Why wrong: Private pool shared, but triggers still per project; not centralized.
- B
Create a Cloud Build trigger in the governance project that uses a service account with permissions to send build requests to other projects.
Cloud Build triggers can invoke builds in other projects using the 'projects/{projectId}/builds' resource with appropriate IAM.
- C
Use a single Cloud Build trigger in the governance project and configure triggers in each project to listen to Pub/Sub notifications from the governance trigger.
Why wrong: Triggers cannot be cross-project directly; each project needs its own trigger.
- D
Deploy a Cloud Function that listens to Cloud Source Repo events and creates Cloud Build builds in each project.
Why wrong: Possible but adds maintenance; Cloud Build with service account is simpler.
PCDOE Building and implementing CI/CD pipelines Practice Question
This PCDOE practice question tests your understanding of building and implementing ci/cd pipelines. 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 large enterprise uses Cloud Build across multiple projects for different microservices. They want to create a centralized CI/CD governance where a single trigger can initiate builds across multiple projects, but each project's artifacts must be stored in a shared Artifact Registry. What is the best way to achieve this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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 Cloud Build trigger in the governance project that uses a service account with permissions to send build requests to other projects.
Option B is correct because using a Cloud Build trigger with a cross-project service account and a multi-project configuration is the most native approach. Option A is incorrect - triggers are per project. Option C is incorrect - service accounts in each project is less centralized. Option D is incorrect - Cloud Functions adds unnecessary complexity.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a shared VPC and a single Cloud Build private pool accessible to all projects, and configure triggers in each project.
Why it's wrong here
Private pool shared, but triggers still per project; not centralized.
- ✓
Create a Cloud Build trigger in the governance project that uses a service account with permissions to send build requests to other projects.
Why this is correct
Cloud Build triggers can invoke builds in other projects using the 'projects/{projectId}/builds' resource with appropriate IAM.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Use a single Cloud Build trigger in the governance project and configure triggers in each project to listen to Pub/Sub notifications from the governance trigger.
Why it's wrong here
Triggers cannot be cross-project directly; each project needs its own trigger.
- ✗
Deploy a Cloud Function that listens to Cloud Source Repo events and creates Cloud Build builds in each project.
Why it's wrong here
Possible but adds maintenance; Cloud Build with service account is simpler.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PCDOE NAT questions on configuration and troubleshooting.
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Building and implementing CI/CD pipelines — study guide chapter
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Building and implementing CI/CD pipelines practice questions
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FAQ
Questions learners often ask
What does this PCDOE question test?
Building and implementing CI/CD pipelines — This question tests Building and implementing CI/CD pipelines — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create a Cloud Build trigger in the governance project that uses a service account with permissions to send build requests to other projects. — Option B is correct because using a Cloud Build trigger with a cross-project service account and a multi-project configuration is the most native approach. Option A is incorrect - triggers are per project. Option C is incorrect - service accounts in each project is less centralized. Option D is incorrect - Cloud Functions adds unnecessary complexity.
What should I do if I get this PCDOE question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PCDOE NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 24, 2026
This PCDOE 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 PCDOE exam.
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