- A
Use `kubectl apply -f` with the Helm chart URL
Why wrong: kubectl cannot apply Helm charts directly.
- B
Use `helm repo add` with a GCS bucket URL
Why wrong: Helm does not natively support GCS as a repo without plugins.
- C
Store the chart in Artifact Registry and use `helm install` from there
Why wrong: Artifact Registry supports Helm repositories, but the question specifies Cloud Storage.
- D
Use the `gcloud storage cp` command to copy the chart, then run `helm upgrade`
Correct: download chart from GCS, then use Helm.
Question 886 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. 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 Build to deploy to Google Kubernetes Engine (GKE). They want to use a Helm chart stored in a Cloud Storage bucket. What should they do in the cloudbuild.yaml?
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
✓
Use the `gcloud storage cp` command to copy the chart, then run `helm upgrade`
Option D is correct because Cloud Build cannot directly access a Helm chart stored in a Cloud Storage bucket. You must first copy the chart to the build environment using `gcloud storage cp`, then run `helm upgrade` to deploy it to GKE. This ensures the chart is locally available for Helm to process.
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.
- ✗
Use `kubectl apply -f` with the Helm chart URL
Why it's wrong here
kubectl cannot apply Helm charts directly.
- ✗
Use `helm repo add` with a GCS bucket URL
Why it's wrong here
Helm does not natively support GCS as a repo without plugins.
- ✗
Store the chart in Artifact Registry and use `helm install` from there
Why it's wrong here
Artifact Registry supports Helm repositories, but the question specifies Cloud Storage.
- ✓
Use the `gcloud storage cp` command to copy the chart, then run `helm upgrade`
Why this is correct
Correct: download chart from GCS, then use Helm.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that Helm can directly consume a chart from a URL or cloud storage without explicit download, or that `kubectl apply` can interpret Helm charts as Kubernetes manifests.
Detailed technical explanation
How to think about this question
Helm charts are packaged as `.tgz` archives and require extraction or direct access via a repository. Cloud Build's default environment does not mount Cloud Storage buckets, so `gcloud storage cp` (or `gsutil cp`) is needed to stage the chart. The `helm upgrade --install` command can then use the local path to the chart, supporting rollbacks and release management. In real-world pipelines, you might also use `helm dependency update` if the chart has sub-charts.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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: Use the `gcloud storage cp` command to copy the chart, then run `helm upgrade` — Option D is correct because Cloud Build cannot directly access a Helm chart stored in a Cloud Storage bucket. You must first copy the chart to the build environment using `gcloud storage cp`, then run `helm upgrade` to deploy it to GKE. This ensures the chart is locally available for Helm to process.
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.
About these practice questions
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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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