KCSA Overview OF Cloud Native Security Practice Question
An organization's security team mandates that all Kubernetes worker nodes must be scanned for Common Vulnerabilities and Exposures (CVEs) on a scheduled basis. Under the 4Cs, what layer does node vulnerability scanning address?
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
✓
Cluster layer
Scanning worker node operating systems for CVEs targets the Cluster layer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Container layer
Why it's wrong here
Container scanning inspects container images.
- ✗
Cloud layer
Why it's wrong here
Cloud layer evaluates provider infrastructure.
- ✓
Cluster layer
Why this is correct
Node vulnerability scanning evaluates the operating system and components of the Cluster layer.
- ✗
Code layer
Why it's wrong here
Code layer checks source code and libraries.
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.