- A
Use Anthos Service Mesh to distribute configurations
Why wrong: Service Mesh is for traffic management, not config distribution.
- B
Set the `syncWait` parameter in the Config Sync operator to 1 second
Why wrong: The minimum `syncWait` is 15 seconds, not 1 second.
- C
Configure Config Sync with a webhook from Cloud Source Repositories or GitHub to trigger re-sync
Webhook triggers immediate sync, achieving near-real-time.
- D
Set up a Cloud Build trigger that runs `gcloud container clusters update` on each cluster
Why wrong: This is not a GitOps approach; it's an imperative command.
Question 196 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 GitOps with Config Sync to manage multiple GKE clusters. They want to ensure that if a configuration change is applied to the git repository, it is automatically synced to all clusters within minutes. 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 Config Sync with a webhook from Cloud Source Repositories or GitHub to trigger re-sync
Option C is correct because Config Sync relies on a polling mechanism by default, which can introduce delays. Configuring a webhook from Cloud Source Repositories or GitHub triggers an immediate re-sync when changes are pushed to the repository, ensuring that configurations are applied to all GKE clusters within minutes without waiting for the next polling interval.
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 Anthos Service Mesh to distribute configurations
Why it's wrong here
Service Mesh is for traffic management, not config distribution.
- ✗
Set the `syncWait` parameter in the Config Sync operator to 1 second
Why it's wrong here
The minimum `syncWait` is 15 seconds, not 1 second.
- ✓
Configure Config Sync with a webhook from Cloud Source Repositories or GitHub to trigger re-sync
Why this is correct
Webhook triggers immediate sync, achieving near-real-time.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set up a Cloud Build trigger that runs `gcloud container clusters update` on each cluster
Why it's wrong here
This is not a GitOps approach; it's an imperative command.
Common exam traps
Common exam trap: answer the scenario, not the keyword
A common misconception is that Config Sync automatically syncs changes instantly via polling, leading candidates to overlook the need for a webhook to achieve near-real-time synchronization.
Trap categories for this question
Command / output trap
This is not a GitOps approach; it's an imperative command.
Detailed technical explanation
How to think about this question
Config Sync uses a controller that periodically polls the Git repository (default every 15 seconds) to detect changes. A webhook endpoint, such as the one provided by Cloud Source Repositories or GitHub, sends a POST request to Config Sync's `re-sync` API, bypassing the polling interval and forcing an immediate reconciliation. This is critical in environments where rapid propagation of security patches or policy changes is required, as the default polling could introduce up to 15 seconds of latency.
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 Config Sync with a webhook from Cloud Source Repositories or GitHub to trigger re-sync — Option C is correct because Config Sync relies on a polling mechanism by default, which can introduce delays. Configuring a webhook from Cloud Source Repositories or GitHub triggers an immediate re-sync when changes are pushed to the repository, ensuring that configurations are applied to all GKE clusters within minutes without waiting for the next polling interval.
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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