KCSA Overview OF Cloud Native Security Practice Question
An organization uses AWS IAM to restrict access to their EKS cluster control plane endpoints. According to the shared responsibility model, configuring and maintaining these access entries and cluster RBAC roles is the responsibility of whom?
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
✓
The customer
Access control configuration (IAM and Kubernetes RBAC) is the responsibility of the customer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Linux kernel maintainers
Why it's wrong here
Kernel maintainers write OS kernels, not cloud IAM policies.
- ✗
The cloud provider only
Why it's wrong here
Cloud providers provide the IAM service, but customers configure policies and access.
- ✗
The CNCF security committee
Why it's wrong here
The CNCF defines standards and projects, not enterprise IAM configurations.
- ✓
The customer
Why this is correct
Customers are responsible for configuring IAM policies and Kubernetes RBAC.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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.