PCDOE Building and implementing CI/CD pipelines Practice Question
This PCDOE practice question tests your understanding of building and implementing ci/cd pipelines. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 company uses Cloud Source Repositories and Cloud Build to build and deploy a Node.js application to Google Kubernetes Engine (GKE). The build step fails intermittently with an error 'npm ERR! network timeout'. What is the most efficient way to reduce build failures?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure npm to use a proxy and increase the timeout in the build step.
Option A is correct because configuring a proxy or specifying a longer timeout in the npm config can mitigate network timeouts. Option B is incorrect because retries in Cloud Build don't fix the underlying timeout. Option C is incorrect because moving to Artifact Registry doesn't affect npm network calls. Option D is incorrect because increasing machine size doesn't resolve network timeouts.
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.
✓
Configure npm to use a proxy and increase the timeout in the build step.
Why this is correct
A longer timeout reduces failures due to temporary network issues.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Artifact Registry to cache npm packages and change npm registry url.
Why it's wrong here
Caching helps with speed but not with network timeout from npm registry.
✗
Set the build to retry on failure in the Cloud Build trigger configuration.
Why it's wrong here
Retries are not efficient; they don't address the root cause.
✗
Increase the machine type to e2-highmem-4 in the cloudbuild.yaml.
Why it's wrong here
More memory doesn't help with network connectivity.
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
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 PCDOE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Building and implementing CI/CD pipelines — This question tests Building and implementing CI/CD pipelines — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure npm to use a proxy and increase the timeout in the build step. — Option A is correct because configuring a proxy or specifying a longer timeout in the npm config can mitigate network timeouts. Option B is incorrect because retries in Cloud Build don't fix the underlying timeout. Option C is incorrect because moving to Artifact Registry doesn't affect npm network calls. Option D is incorrect because increasing machine size doesn't resolve network timeouts.
What should I do if I get this PCDOE question wrong?
Identify which PCDOE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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