100% Free Linux Foundation KCNA Practice Test Questions and Answers 2026

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Total 844 Questions | Updated On: May 21, 2026

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Question 1

What is a commonly used package manager for kubernetes applications?

A : npm

B : apt

C : helm

D : kubernetes manifest

Answer: C

Question 2

You want to prevent a Node from being selected by the Kubernetes scheduler for any new Pods. Which action will accomplish this?

A : Drain the Node using kubectl drain.

B : Add a taint to the Node that no Pod tolerates.

C : Set the Node condition to NotReady.

D : Label the Node with node-role.kubernetes.io/master=.

Answer: B

Question 3

What is a significant disadvantage of using Reactive Scaling compared to Predictive Scaling in a Cloud-Native environment?

A : Reactive Scaling requires complex machine learning algorithms.

B : Reactive Scaling has high computational overhead.

C : Reactive Scaling cannot scale down resources.

D : Reactive Scaling cannot handle bursty workloads effectively.

Answer: D

Question 4

What is a potential pitfall in Kubernetes that can inadvertently lead to increased costs if not properly managed?

A : Running a single instance of a service for high availability

B : Enabling Role-Based Access Control (RBAC)

C : Using StatefulSets for stateful applications

D : Misconfiguration of Horizontal Pod Autoscaling (HPA)

Answer: D

Question 5

Which mechanism in Kubernetes will wait until specific conditions are met before it fully deletes resources marked for deletion?

A : Finalizers

B : DependsOnCondition

C : UpdatePolicy

D : DeleteCondition

Answer: A

Page: 1 / 169

Total 844 Questions | Updated On: May 21, 2026

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