KCNA Kubernetes Fundamentals Practice Question
Which of the following is used to logically isolate resources within a Kubernetes cluster?
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
✓
Namespaces
Namespaces provide logical isolation for resources. Option C is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Annotations
Why it's wrong here
Annotations attach metadata, not isolation.
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Selectors
Why it's wrong here
Selectors are used to group resources based on labels.
- ✓
Namespaces
Why this is correct
Namespaces partition resources within a cluster.
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Labels
Why it's wrong here
Labels are key-value pairs used for identifying and selecting resources, not isolation.
Go deeper
Related to this question
Learn chapter
Kubernetes Overview and Core Components
Key term
ReplicaSet and Replication
A ReplicaSet ensures a specified number of identical pod instances are running at all times in Kubernetes, using replication to maintain availability and stability.
Key term
Namespaces
A Namespace in Kubernetes is a virtual cluster within a physical cluster that allows you to organize and isolate resources, like an apartment building with separate units for different tenants.
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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.