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Labs

Certified Kubernetes Security Specialist (CKS) - Practice Exam Part 10

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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Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 23, 2025
Duration
30m

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Table of Contents
  1. Challenge

    Analyze a Dockerfile for Security Best Practices
    1. Check the Dockerfile located at /home/cloud_user/Dockerfile on the CLI server. This Dockerfile is based upon alpine:3.13.5.
    2. Correct the two security issues within the file.

    Note: If you need an OS user, you can use the user nobody with id 65534.

  2. Challenge

    Analyze a YAML File for Security Best Practices
    1. Check the YAML file located at /home/cloud_user/scooby-gang-deploy.yml on the CLI server.
    2. Correct the two security issues within the file.

    Note: If you need an OS user, you can use the user nobody with id 65534.

  3. Challenge

    Ensure Containers Are Static and Immutable
    1. Check all of the Pods in the sunnydale namespace and determine whether their containers are static and immutable.

      Note: In this scenario, static/immutable means that:

      • The container does not have access to any elevated privileges.
      • The container process cannot write to the container file system.
    2. Delete any Pods in the namespace that are not static and immutable.

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