KCNA Kubernetes Fundamentals Practice Question
You create a Pod with the following YAML. What will happen when you apply it?
⚠ Common exam trap
CNCF often tests the misconception that resource units like '128Mi' or '500m' are invalid or that resource limits are not applicable to Pods, when in fact they are standard and correctly applied to containers.
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 Pod will be created with memory limit of 128Mi and CPU limit of 500m
The YAML defines resource limits and requests using standard Kubernetes units: '128Mi' for memory (mebibytes) and '500m' for CPU (millicores). These are valid and will be applied to the container, creating the Pod with the specified limits.
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 Pod will fail to create because memory and CPU are in the wrong unit
Why it's wrong here
Mi and m are valid units.
- ✓
The Pod will be created with memory limit of 128Mi and CPU limit of 500m
Why this is correct
The YAML correctly specifies limits and requests.
- ✗
The Pod will be created without resource limits because the syntax is incorrect
Why it's wrong here
The syntax is correct and will be applied.
- ✗
The Pod will be created but requests and limits will be ignored because they are not valid for Pods
Why it's wrong here
Resource requests and limits are valid for Pod containers.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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