KCSA Overview OF Cloud Native Security Practice Question
A platform engineering team is reviewing security layers for a newly provisioned Kubernetes cluster on AWS using Amazon EKS. Which layer of the 4Cs of Cloud Native Security encompasses patching the underlying Linux kernel of the worker nodes?
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
The Cluster layer covers Kubernetes configuration, components, and the underlying worker node operating system and kernel.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cluster
Why this is correct
Cluster security includes Kubernetes components and the worker node operating system/kernel.
- ✗
Container
Why it's wrong here
Container security involves base images and runtime isolation.
- ✗
Cloud
Why it's wrong here
Cloud security encompasses the underlying data center, hypervisor, and cloud provider infrastructure.
- ✗
Code
Why it's wrong here
Code security focuses on application dependencies and source code.
About these practice questions
This KCSA question is part of Courseiva's 320-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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 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.