CKAD Application Deployment Practice Question
Which THREE of the following are valid reasons to use an annotation in Kubernetes?
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
✓
To store the name of the CI/CD tool that deployed the resource
Annotations are key-value metadata used for non-identifying information. Option A is incorrect because selection of Pods by a Service is done using labels, not annotations. Option B is correct: annotations can store tooling metadata like CI/CD tool name. Option C is correct: build versions and commit hashes are typical audit information stored in annotations. Option D is incorrect because resource limits are set in the container spec, not in annotations. Option E is correct: annotations are designed for arbitrary non-identifying metadata.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To enable a Service to select Pods based on the annotation value
Why it's wrong here
Service selectors use labels, not annotations.
- ✓
To store the name of the CI/CD tool that deployed the resource
Why this is correct
Annotations can hold deployment tool metadata.
- ✓
To record the build version or commit hash for auditing
Why this is correct
Common use case for annotations.
- ✗
To set resource limits for a container
Why it's wrong here
Resource limits are set in the container spec, not annotations.
- ✓
To attach arbitrary non-identifying metadata to an object
Why this is correct
Annotations are designed for arbitrary metadata.
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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.