CGOA Tooling Practice Question
You are using OPA Gatekeeper with GitOps. You want to prevent any deployment that does not have an 'owner' label. Where should this policy be applied to ensure it is enforced for all GitOps-driven changes?
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
✓
Validating Admission Webhook
Validating admission webhooks (which Gatekeeper uses) enforce policies regardless of the source of the change, whether manual or GitOps.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Git pre-receive hook
Why it's wrong here
This only checks the Git commit, not the cluster state.
- ✗
Flux Source Controller
Why it's wrong here
This only fetches the code, it does not validate the objects.
- ✓
Validating Admission Webhook
Why this is correct
This ensures every request is checked against policies.
- ✗
ArgoCD AppProject
Why it's wrong here
Projects limit what can be synced but don't perform arbitrary label enforcement.
About these practice questions
Courseiva writes every CGOA question from scratch — 325 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This CGOA practice question is part of Courseiva's free CNCF / Linux Foundation 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 CGOA exam.