KCSA Platform Security Practice Question
An auditor is reviewing container image registries used by a Kubernetes cluster. They notice that public images are pulled directly without verification. Which security best practice should be implemented for image registries?
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
✓
Use private registries with integrated vulnerability scanning and image pull policies
Using private, trusted container registries with vulnerability scanning and access control helps ensure that only approved and secure images are deployed.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Grant cluster-admin permissions to all developers
Why it's wrong here
Granting cluster-admin to all developers violates the principle of least privilege.
- ✗
Store plaintext passwords in ConfigMaps
Why it's wrong here
Storing passwords in plaintext ConfigMaps creates severe security vulnerabilities.
- ✗
Disable all network policies in the cluster
Why it's wrong here
Disabling network policies decreases cluster security by removing traffic isolation.
- ✓
Use private registries with integrated vulnerability scanning and image pull policies
Why this is correct
Private registries with vulnerability scanning ensure images are checked and controlled before deployment.
About these practice questions
One of 320 original KCSA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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 KCSA 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 KCSA exam.