What is the purpose of a DaemonSet?

To ensure a copy of a Pod runs on all or selected nodes

To provide load balancing for Services

To manage stateful applications with stable identities

To run batch jobs to completion

What is the primary use case for a StatefulSet?

To run batch jobs that complete and exit

To provide load balancing for stateless applications

To ensure a Pod runs on every node

To manage stateful applications that require stable network identities and persistent storage

What happens when a container exceeds its memory limit?

The container may be terminated by the kernel (OOM kill).

The container is automatically restarted by the kubelet.

The container is throttled but not killed.

The container is moved to another node.

Which metrics can the Horizontal Pod Autoscaler use to make scaling decisions?

CPU utilization and custom application metrics

Kubernetes and Cloud Native Associate (KCNA)

Domain 1Objective 1

Kubernetes Core Concepts KCNA Practice Questions (Page 5)

Part of the Kubernetes Fundamentals domain, which accounts for 44% of the KCNA exam. Linux Foundation does not publish an official question count, but from its 90-minute exam (~35–60 total, ~15–26 in this domain), expect 3–4 from this objective — we provide 60 practice questions to prepare you well beyond it. (estimate)

60questions here

12free pages

24concepts

44%of the exam

Questions 21–25

21foundation · easy
What is the purpose of a DaemonSet?
Select an answer first
22expert · medium
A team wants to attach metadata to their Deployments for internal tooling, such as the owner's email and a ticket number for the change. This metadata should not be used for selection or grouping of objects. Which Kubernetes feature should they use?
Select an answer first
23foundation · easy
What is the primary use case for a StatefulSet?
Select an answer first
24foundation · easy
What happens when a container exceeds its memory limit?
Select an answer first
25foundation · easy
Which metrics can the Horizontal Pod Autoscaler use to make scaling decisions?
Select an answer first

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