KCNA Kubernetes Fundamentals Practice Question
Which API version is correct for a Deployment in modern Kubernetes (v1.29+)?
⚠ Common exam trap
The exam often tests the misconception that `v1` is the default API version for all resources, but candidates must remember that Deployments specifically require the `apps/v1` group, not the core `v1` group.
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
✓
apiVersion: apps/v1
In modern Kubernetes (v1.29+), the `apps/v1` API version is the stable and recommended version for the Deployment resource. The `apps/v1` API has been the default since Kubernetes 1.9, and all older beta versions (e.g., `apps/v1beta2`, `extensions/v1beta1`) have been removed as of Kubernetes 1.16. Using `apps/v1` ensures compatibility with current cluster features and avoids deprecation warnings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
apiVersion: extensions/v1beta1
Why it's wrong here
This is deprecated and not used in modern clusters.
- ✗
apiVersion: v1
Why it's wrong here
v1 is used for core objects like Pod, Service, etc., not for Deployment.
- ✓
apiVersion: apps/v1
Why this is correct
apps/v1 is the correct stable API version for Deployment.
- ✗
apiVersion: apps/v1beta2
Why it's wrong here
beta versions are deprecation; stable is apps/v1.
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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.