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Certified Kubernetes Security Specialist (CKS) - Practice Exam Part 12

This lab provides practice scenarios to help prepare you for the Certified Kubernetes Security Specialist (CKS) exam. You will be presented with tasks to complete, as well as server(s) and/or an existing Kubernetes cluster to complete them in. You will need to use your knowledge of Kubernetes to successfully complete the provided tasks, much like you would on the real CKS exam. Good luck!

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Level
Clock icon Advanced
Duration
Clock icon 30m
Last updated
Clock icon Sep 03, 2025

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Table of Contents

  1. Challenge

    Create a PodSecurityPolicy to Prevent Privileged Containers

    1. Create a PodSecurityPolicy called nopriv-psp.
    2. Configure nopriv-psp to prevent the creation of Pods with privileged containers.

    Note: PodSecurityPolicy is already enabled in the cluster. You can find a skeleton manifest for the PodSecurityPolicy on the CLI server at /home/cloud_user/nopriv-psp.yml.

  2. Challenge

    Use the PodSecurityPolicy to Secure a Namespace

    1. Create a ServiceAccount in the hoth namespace called hoth-sa.
    2. Create an RBAC setup to use the PodSecurityPolicy.
    3. Create a ClusterRole called use-nopriv-psp that allows usage of the PodSecurityPolicy.
    4. Create a ClusterRoleBinding called hoth-sa-use-nopriv-psp to bind the ClusterRole to the ServiceAccount.

    Note: You can find skeleton manifests for these objects on the CLI Server at:

    • /home/cloud_user/hoth-sa.yml
    • /home/cloud_user/use-nopriv-psp.yml
    • /home/cloud_user/hoth-sa-use-nopriv-psp.yml

    You can test your setup using the Pod manifest at /home/cloud_user/luke.yml. The Pod should fail creation since it uses a privileged container.

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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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