KCNA Kubernetes Fundamentals Practice Question
Which THREE fields are required in a Kubernetes manifest YAML file?
⚠ Common exam trap
CNCF often tests the misconception that 'spec' is always required, but the KCNA exam expects you to know that status is never user-supplied and that spec is optional for certain built-in resources like Namespace or LimitRange.
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
✓
kind
The 'kind' field is required because it tells Kubernetes which type of object to create (e.g., Pod, Deployment, Service). Without it, the API server cannot route the manifest to the correct resource handler. It must be a valid Kubernetes resource kind from the core API or a custom resource definition.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
kind
Why this is correct
Defines the type of Kubernetes resource.
- ✓
metadata
Why this is correct
Contains name, namespace, labels, and annotations.
- ✗
status
Why it's wrong here
Status is generated by Kubernetes, not provided in the manifest.
- ✗
spec
Why it's wrong here
Spec is required for most objects but not all (e.g., a simple Namespace object only needs apiVersion, kind, and metadata).
- ✓
apiVersion
Why this is correct
Specifies the API version for the object.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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