- A
Add the VPC firewall rule to allow traffic from Cloud Build's default IP range.
Why wrong: Default pool IP ranges are dynamic and not tied to a specific VPC.
- B
Use the default Cloud Build pool and configure VPC peering in the build steps.
Why wrong: Default pools cannot be configured with VPC peering; they lack VPC access.
- C
Create a Cloud Build private pool connected to the VPC, and run the build using that pool.
Private pools provide direct VPC connectivity.
- D
Use Cloud NAT to allow egress from the default pool to the VPC.
Why wrong: Cloud NAT provides internet egress, not ingress to a private VPC.
Question 562 of 1,000
PCDE Practice Question: Building and Implementing CI/CD Pipelines for a Service
This PCDE practice question tests your understanding of building and implementing ci/cd pipelines for a service. 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.
You are configuring a Cloud Build pipeline that builds a Docker image, pushes it to Artifact Registry, and deploys to Cloud Run. The build requires network access to a private VPC to download dependencies. Which approach should you use to provide VPC access?
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 private pool connected to the VPC, and run the build using that pool.
Option C is correct because Cloud Build private pools provide direct VPC connectivity by running worker VMs inside a customer-managed subnet within the specified VPC. This allows the build to access private resources (e.g., dependency mirrors, internal repositories) without traversing the public internet, meeting the requirement for network access to a private VPC.
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.
- ✗
Add the VPC firewall rule to allow traffic from Cloud Build's default IP range.
Why it's wrong here
Default pool IP ranges are dynamic and not tied to a specific VPC.
- ✗
Use the default Cloud Build pool and configure VPC peering in the build steps.
Why it's wrong here
Default pools cannot be configured with VPC peering; they lack VPC access.
- ✓
Create a Cloud Build private pool connected to the VPC, and run the build using that pool.
Why this is correct
Private pools provide direct VPC connectivity.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Cloud NAT to allow egress from the default pool to the VPC.
Why it's wrong here
Cloud NAT provides internet egress, not ingress to a private VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between default and private pools, trapping candidates who assume that firewall rules or NAT can bridge the network isolation of the default pool, when in fact only a private pool provides the necessary VPC integration.
Detailed technical explanation
How to think about this question
Cloud Build private pools leverage worker VMs provisioned in a subnet you define within your VPC, using a service networking attachment to connect to the pool's control plane. This setup allows the build to resolve internal DNS names and reach private IPs (e.g., via RFC 1918 addresses) directly, which is essential for accessing private artifact repositories or on-premises dependency caches. In contrast, the default pool uses Google-managed worker VMs outside your VPC, requiring public internet access or complex VPN/peering setups that are not supported natively.
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 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.
Visual reference
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.
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Building and Implementing CI/CD Pipelines for a Service — study guide chapter
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FAQ
Questions learners often ask
What does this PCDE question test?
Building and Implementing CI/CD Pipelines for a Service — This question tests Building and Implementing CI/CD Pipelines for a Service — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a Cloud Build private pool connected to the VPC, and run the build using that pool. — Option C is correct because Cloud Build private pools provide direct VPC connectivity by running worker VMs inside a customer-managed subnet within the specified VPC. This allows the build to access private resources (e.g., dependency mirrors, internal repositories) without traversing the public internet, meeting the requirement for network access to a private VPC.
What should I do if I get this PCDE 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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Last reviewed: Jul 4, 2026
This PCDE 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 PCDE exam.
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