- A
kubectl kustomize staging/
Why wrong: kubectl kustomize is not a valid command; 'kubectl apply -k' does not output manifests.
- B
kustomize build staging/
This outputs the final YAML for the staging overlay.
- C
skaffold build --kustomize staging/
Why wrong: Skaffold build builds images, not generate Kustomize manifests.
- D
kubectl apply -k staging/
Why wrong: That applies directly to the cluster, but the question asks for generating manifests.
Question 5 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. 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 team uses Kustomize to manage environment-specific configurations for their GKE deployments. They have a base overlay and overlays for dev, staging, and prod. Which command should they use to generate the final Kubernetes manifests for the staging environment?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"which command"Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
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
✓
kustomize build staging/
The `kustomize build staging/` command processes the Kustomize overlay located in the `staging/` directory, which includes a `kustomization.yaml` file that references the base overlay and applies environment-specific patches, configMapGenerator entries, and namespace settings. This generates the final Kubernetes manifests for the staging environment without applying them to a cluster. The `kustomize` CLI tool is the standard way to render Kustomize overlays, and it is the correct command for generating manifests as part of a CI/CD pipeline.
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.
- ✗
kubectl kustomize staging/
Why it's wrong here
kubectl kustomize is not a valid command; 'kubectl apply -k' does not output manifests.
- ✓
kustomize build staging/
Why this is correct
This outputs the final YAML for the staging overlay.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
skaffold build --kustomize staging/
Why it's wrong here
Skaffold build builds images, not generate Kustomize manifests.
- ✗
kubectl apply -k staging/
Why it's wrong here
That applies directly to the cluster, but the question asks for generating manifests.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between generating manifests (`kustomize build`) and applying them (`kubectl apply -k`), and candidates mistakenly choose the apply command when the question explicitly asks for generation.
Trap categories for this question
Command / output trap
kubectl kustomize is not a valid command; 'kubectl apply -k' does not output manifests.
Detailed technical explanation
How to think about this question
Kustomize works by reading a `kustomization.yaml` file that specifies resources, patches, and generators; the `build` command resolves all references, applies strategic merge patches, and outputs a single YAML stream to stdout. In a CI/CD pipeline, this output is often piped to `kubectl apply -f -` or stored as an artifact for later deployment, allowing for separation of build and deploy stages. A subtle behavior is that Kustomize supports `vars` and `configMapGenerator` which can inject environment-specific values like database URLs or feature flags without manual YAML editing.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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: kustomize build staging/ — The `kustomize build staging/` command processes the Kustomize overlay located in the `staging/` directory, which includes a `kustomization.yaml` file that references the base overlay and applies environment-specific patches, configMapGenerator entries, and namespace settings. This generates the final Kubernetes manifests for the staging environment without applying them to a cluster. The `kustomize` CLI tool is the standard way to render Kustomize overlays, and it is the correct command for generating manifests as part of a CI/CD pipeline.
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.
Are there clue words in this question I should notice?
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
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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