KCNA Cloud Native Application Delivery Practice Question
An organization uses Flux with Kustomize to manage their Kubernetes applications. They want to automatically update their deployment when a new container image is pushed to the registry. Which Flux component should they use?
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
✓
Image Automation Controller
Flux's Image Automation Controller automates updates based on image policies. It can update manifests in Git when a new image tag is found, triggering a sync.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Source Controller
Why it's wrong here
The Source Controller fetches source code but does not handle image updates.
- ✓
Image Automation Controller
Why this is correct
This controller watches for new images and updates the Git repository with the new tag, triggering a reconciliation.
- ✗
Helm Controller
Why it's wrong here
The Helm Controller manages Helm releases, not image automation.
- ✗
Kustomize Controller
Why it's wrong here
The Kustomize Controller applies Kustomize overlays but does not automatically update image tags.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.