KCSA Kubernetes Security Fundamentals Practice Question
Which TWO mechanisms help secure Kubernetes Secrets against unauthorized access or exposure?
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
✓
Enabling encryption at rest using KMS or AES-CBC providers
Encryption at rest in etcd and strict RBAC least privilege are key mechanisms for protecting secrets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Granting cluster-admin to all application service accounts
Why it's wrong here
Granting cluster-admin increases security risks.
- ✓
Enabling encryption at rest using KMS or AES-CBC providers
Why this is correct
Encrypts secret data in etcd.
- ✗
Storing secrets in plaintext ConfigMaps for easier auditing
Why it's wrong here
ConfigMaps offer zero security for sensitive data.
- ✗
Disabling the Kubernetes audit log
Why it's wrong here
Disabling audit logs reduces security visibility.
- ✓
Applying strict RBAC least-privilege roles to limit secret reading
Why this is correct
Limits who can retrieve secret objects from the API server.
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.