KCNA Kubernetes Fundamentals Practice Question
Which TWO of the following are valid Kubernetes resource types that can be used to store configuration data or secrets?
⚠ Common exam trap
CNCF often tests the misconception that Volumes or PersistentVolumeClaims can store configuration data or secrets, but they are storage abstractions for arbitrary data, not the dedicated key-value resources (ConfigMap and Secret) designed for configuration and secrets management.
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
✓
Secret
ConfigMaps and Secrets are the only dedicated Kubernetes resource types for storing configuration data and secrets, respectively. ConfigMaps store non-sensitive data as key-value pairs, while Secrets store sensitive data (base64-encoded). Other options like Volume, PersistentVolumeClaim, and ServiceAccount are not designed for this purpose.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Secret
Why this is correct
Correct: Secrets are a dedicated resource for storing sensitive configuration data like passwords and tokens.
- ✗
Volume
Why it's wrong here
Incorrect: Volume is not a top-level Kubernetes resource type; it is a field in a Pod spec for mounting storage, not for storing configuration data.
- ✗
PersistentVolumeClaim
Why it's wrong here
Incorrect: PersistentVolumeClaim is used to request persistent storage, not for storing configuration data or secrets.
- ✗
ServiceAccount
Why it's wrong here
Incorrect: ServiceAccount is for identity and access control; it does not store configuration data or secrets itself.
- ✓
ConfigMap
Why this is correct
Correct: ConfigMap is the standard resource for storing non-sensitive configuration data as key-value pairs.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.