- A
Use a Cloud Build trigger to run `argocd app sync`
Why wrong: This is an alternative but not the standard GitOps approach.
- B
Configure a webhook in the git repository that notifies Argo CD of changes
Webhook triggers immediate sync.
- C
Set the sync policy to Automatic with Prune
Why wrong: Automatic sync requires polling or webhook; without webhook, it polls every 3 minutes by default.
- D
Enable Config Sync instead of Argo CD for automatic sync
Why wrong: Config Sync is a different tool; the question specifies Argo CD.
Question 521 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 company uses Argo CD on GKE for GitOps deployments. They want to ensure that when a developer pushes a change to a Kubernetes manifest, Argo CD automatically syncs the cluster. What must be configured?
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
✓
Configure a webhook in the git repository that notifies Argo CD of changes
Option B is correct because Argo CD can be configured to automatically sync a cluster when a developer pushes a change to a Kubernetes manifest by setting up a webhook in the Git repository. The webhook notifies Argo CD of the push event, triggering a sync operation without manual intervention or polling. This is the standard GitOps pattern for event-driven synchronization.
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 a Cloud Build trigger to run `argocd app sync`
Why it's wrong here
This is an alternative but not the standard GitOps approach.
- ✓
Configure a webhook in the git repository that notifies Argo CD of changes
Why this is correct
Webhook triggers immediate sync.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set the sync policy to Automatic with Prune
Why it's wrong here
Automatic sync requires polling or webhook; without webhook, it polls every 3 minutes by default.
- ✗
Enable Config Sync instead of Argo CD for automatic sync
Why it's wrong here
Config Sync is a different tool; the question specifies Argo CD.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that setting the sync policy to 'Automatic' alone enables real-time sync, but candidates must remember that automatic sync relies on polling (default 3 minutes) unless a webhook is configured for immediate notification.
Detailed technical explanation
How to think about this question
Argo CD's webhook integration works by receiving HTTP POST requests from Git providers (e.g., GitHub, GitLab) at its API server endpoint, which then triggers a refresh and sync of the affected application. The webhook payload includes the commit SHA, allowing Argo CD to detect changes precisely. In a real-world scenario, if the webhook fails (e.g., due to network issues), Argo CD will fall back to its polling interval, ensuring eventual consistency.
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: Configure a webhook in the git repository that notifies Argo CD of changes — Option B is correct because Argo CD can be configured to automatically sync a cluster when a developer pushes a change to a Kubernetes manifest by setting up a webhook in the Git repository. The webhook notifies Argo CD of the push event, triggering a sync operation without manual intervention or polling. This is the standard GitOps pattern for event-driven synchronization.
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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