CKAD min Practice Question
Which THREE of the following are valid fields in a LimitRange resource to enforce resource constraints at the container level? (Choose three.)
⚠ Common exam trap
Candidates often think `default` is one of the three because it is commonly used, but it only sets a default limit, not a hard constraint like `min`, `defaultRequest`, or `maxLimitRequestRatio`.
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
✓
min
The three valid fields in a LimitRange resource that enforce resource constraints at the container level are `min`, `defaultRequest`, and `maxLimitRequestRatio`. `min` sets the minimum resource request or limit per container. `defaultRequest` sets the default resource request if not specified, ensuring a minimum request is applied. `maxLimitRequestRatio` enforces a maximum ratio between limit and request, constraining the relationship. While `default` is a valid field, it sets a default limit rather than enforcing a constraint directly, so it is not among the three asked.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
min
Why this is correct
Correct. `min` specifies the minimum amount of resources a container can request or consume.
- ✓
defaultRequest
Why this is correct
Correct. `defaultRequest` sets the default resource request for a container when not specified in the pod spec.
- ✗
default
Why it's wrong here
Correct. `default` sets the default resource limit for a container when not specified in the pod spec.
- ✓
maxLimitRequestRatio
Why this is correct
Incorrect. `maxLimitRequestRatio` is a valid LimitRange field, but it enforces a ratio between limit and request, not a direct resource constraint. It is not one of the three fields that directly enforce resource constraints at the container level as asked.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CKAD 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 CKAD exam.