Practitioner Level

Certified Kubernetes Application Developer (CKAD) Practice Exam - Part 5

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30 minutes
  • 2 Learning Objectives

About this Hands-on Lab

This lab provides practice scenarios to help prepare you for the Certified Kubernetes Application Developer (CKAD) 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 CKAD exam. Good luck!

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Create a PersistentVolume

Create a PersistentVolume called pv-data in the default Namespace.

Set the storage amount to 1Gi and the storage class to static.

Use a hostPath to mount the host directory /var/pvdata with the PersistentVolume.

Create a Pod That Consumes Storage from the PersistentVolume

Create a Pod called pv-pod in the default Namespace.

Use the busybox:stable image with the command sh -c while true; do sleep 3600; done.

Use the PersistentVolume to provide storage to this Pod’s container at the path /var/data.

If everything is set up correctly, you should be able to find some data exposed to the container by the PersistentVolume at /var/data/data.txt.

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Additional Resources

Use the provided environment to complete the tasks detailed in the learning objectives.

You can access all components of the cluster from the CLI server. The control plane server is k8s-control, and the worker is k8s-worker1. If you need to log in to the control plane server, for example, just use ssh k8s-control from the CLI server.

You can also use kubectl from the CLI server, control plane node, or worker to interact with the cluster. In order to use kubectl from the CLI server, you will need to select the acgk8s cluster to interact with, like so: kubectl config use-context acgk8s.

kubectl is aliased to k, and Kubernetes autocompletion is enabled. You can use the k alias like so: k get pods.

This lab includes a verification script to help you determine whether you have completed the objectives successfully. You can run the verification script with /home/cloud_user/verify.sh.

What are Hands-on Labs

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.

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