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Linux Foundation KCNA Exam Practice Questions, practice question pack
LINUX FOUNDATION · KCNA

Linux Foundation KCNA Exam Practice Questions

99% pass rateUpdated 1 Nov 2026333 questions2 PDFs, instant download
4.611 reviews
(11 customer reviews)

US$39

Every question with the correct answer and why the other options are wrong.

Download the free sample

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99% pass rate. Pass or your money back.Fail the exam after using this pack and we refund it, or swap it for any other pack. How the guarantee works
Passed today. This KCNA dump is 100% valid. And yes, you can pass too with the help of valid braindumps.
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TRY BEFORE YOU BUY

Three of the 333 questions in this pack

Question 1

What native runtime is Open Container Initiative (OCI) compliant?

  1. runC
  2. runV
  3. kata-containers
  4. gvisor
Show answer and explanation

Correct answer: A. runC

runC is the reference implementation of the Open Container Initiative runtime specification. It was donated to the OCI as the low-level tool that creates and runs containers directly on the host using Linux kernel features such as namespaces and cgroups. Higher-level runtimes like containerd call runC by default to start containers, which is why it is regarded as the native OCI-compliant runtime. The other options are alternative runtimes that add virtualization or sandboxing layers rather than serving as the native reference implementation.

Why the other options are wrong

  • B. runV is a hypervisor-based runtime that runs containers inside virtual machines; it is not the native OCI reference runtime.
  • C. Kata Containers runs each workload inside a lightweight virtual machine for stronger isolation; it is an alternative sandboxed runtime, not the native reference implementation.
  • D. gVisor provides a user-space application kernel that sandboxes containers; it is an alternative isolation runtime, not the native OCI reference implementation.

Question 2

Which API object is the recommended way to run a scalable, stateless application on your cluster?

  1. ReplicaSet
  2. Deployment
  3. DaemonSet
  4. Pod
Show answer and explanation

Correct answer: B. Deployment

A Deployment is the standard Kubernetes object for running a stateless application that needs to scale. You declare the desired number of replicas and the Pod template, and the Deployment controller manages ReplicaSets to keep that many identical Pods running. Deployments also provide rolling updates and rollbacks, so new versions can be released without downtime, and the replica count can be changed manually or by a Horizontal Pod Autoscaler. Because the Pods are interchangeable, this model fits stateless services perfectly.

Why the other options are wrong

  • A. A ReplicaSet keeps a set number of Pods running but lacks rolling updates and rollbacks; Kubernetes recommends managing it through a Deployment instead.
  • C. A DaemonSet runs one Pod per eligible node for node-level agents, so its size follows the node count rather than application demand.
  • D. A bare Pod is a single instance with no controller to replace it on failure or to scale it out.

Question 3

A CronJob is scheduled to run by a user every one hour. What happens in the cluster when it's time for this CronJob to run?

  1. Kubelet watches API Server for CronJob objects. When it's time for a Job to run, it runs the Pod directly.
  2. Kube-scheduler watches API Server for CronJob objects, and this is why it's called kube-scheduler.
  3. CronJob controller component creates a Pod and waits until it finishes to run.
  4. CronJob controller component creates a Job. Then the Job controller creates a Pod and waits until it finishes to run.
Show answer and explanation

Correct answer: D. CronJob controller component creates a Job. Then the Job controller creates a Pod and waits until it finishes to run.

Kubernetes runs scheduled work through a chain of controllers in the kube-controller-manager. When the schedule of a CronJob comes due, the CronJob controller creates a new Job object from the CronJob's job template. The Job controller then sees that Job and creates one or more Pods to carry out the work, tracking them until the required number complete successfully. The scheduler assigns those Pods to nodes and the kubelet runs them, but the CronJob itself only ever creates Jobs, never Pods directly.

Why the other options are wrong

  • A. The kubelet only runs Pods already assigned to its node; it does not watch CronJob objects or decide when scheduled work should start.
  • B. kube-scheduler assigns pending Pods to nodes; its name refers to placement, not to time-based scheduling of CronJobs.
  • C. The CronJob controller does not create Pods itself; it creates a Job, and the Job controller creates and tracks the Pods.

See all 83 free questions Get the full pack, US$39

REVIEWS

11 reviews for Linux Foundation KCNA Exam Practice Questions

  1. Maurice –

    Passed today. This KCNA dump is 100% valid. And yes, you can pass too with the help of valid braindumps.

  2. Grover –

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  3. Carter –

    KCNA passed

    Passed the KCNA! Good dump for this cert. Real questions throughout and a lot came out in my actual exam. Cheap for what it is. Cleared it comfortably.

  4. Gavin Nakamura –

    Cleared my KCNA

    Cleared the KCNA exam. This dump helped me understand the question style and a lot of content appeared on exam day. Highly recommend.

  5. Gloria –

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  8. Meredith –

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  9. Dana –

    The KCNA Dump is 90% valid, i just now cleared with a high score, although there are lot a trick questions that one has to carefully examine before answering, only 2 plus new questions regarding KCNA exam, but that is OK. So happy!

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Only logged in customers who have purchased this product may leave a review.

How much of the Linux Foundation KCNA bank is free?

333 questions in the bank

Each step includes the one before, so buying only adds new questions.

  • You are here10questionsFree sampleThree on this page, all ten as a PDF.Download the sample
  • 8325% of the bankPractice pageFree on the site, every answer explained.Go to the practice page
  • 166the first half of the packHalf PackFree by email, as one PDF, every answer explained.Get the Half Pack
  • 333100%, the whole bankFull pack, US$39Plus the questions-only PDF, monthly updates, refund if you fail.Get the full pack
ABOUT THIS PACK

What’s in the Linux Foundation KCNA pack

  • 333 questions mapped to the KCNA exam objectives
  • Answers and explanations for every question, including the wrong options
  • A questions-only PDF for timed practice runs
  • Instant delivery by email the moment you check out
  • Free monthly updates for as long as the exam is live
  • Pass or your money back

The KCNA includes one free retake; fail twice and it costs another US$250. This pack is US$39, paid once, and refunded if you fail.

What makes the KCNA hard

The KCNA includes one free retake in its US$250 fee, which sounds generous until both attempts are used without a pass. At that point the fee is paid again from scratch.

Many candidates prepare from documentation, videos and generic practice questions that look nothing like the real exam, and walk in hoping the material covered matches what comes up. The exam itself is 60 questions in 90 minutes with a 75% pass mark.

This pack has 333 practice questions for the KCNA, covering every question style and scenario the exam draws on, so nothing is unfamiliar on the day.

About the exam

KCNA is an entry-level certification from the Linux Foundation and CNCF. It validates foundational knowledge of Kubernetes and the wider cloud native ecosystem, covering architecture, containers, observability and application delivery, and is a common starting point for candidates progressing toward the CKA, CKAD or CKS.

Read the Linux Foundation KCNA study guide

Questions before you buy

How quickly do I receive it?

Straight away. The full PDF and a questions-only copy are emailed to you the moment your payment goes through, and the same links are on your order page.

Are updates included?

Yes. The pack is updated every month for as long as the exam is live, and updates are free for everyone who has bought it.

What if I fail the exam?

We refund the pack, or swap it for any other pack if you would rather keep studying. Sit the exam 7 to 30 days after buying, then send your official score report within 7 days of the exam date, as set out in the refund policy.

What is your pass rate?

99% of customers who prepare with a CertStash pack pass. If you do not, we refund the pack, or swap it for another pack.

Can I share it with colleagues?

Each purchase is licensed to one person. For a team, school or training organisation, email support@certstash.com for a licence that fits.

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