You will find a lot of articles with good tips on how to ace the CKA exam. You should definitely read them! When preparing for the exam, it sure helped me a lot. But as I am now certified, in retrospect, I can say some of these advices may not be worth your time. In this article I will focus on tips I would call discussable: they do not give you a real competitive advantage and may even impediment your success. Let’s start!
This is simply not true. Accounts of people with 1+ years of experience on Kubernetes that barely pass the exam make me wonder what they really did during their time with the technology.
Of course, prior experience is good and most experienced Kubernetes administrators or developers will only need some refresh on key areas. But even if you did not use Kubernetes you can pass the exam by focusing your study on the certification curriculum. More on this below.
The exam is performance based. More precisely, task based. You are given a terminal, a Kubernetes installation and should clear each question by executing commands to reach a given state. What you need to succeed:
To understand the general architecture of a Kubernetes cluster and what are the main componentsKnow how to navigate the official documentation on kubernetes.ioDo at least once every tasks of the official documentation
The understanding of the Kubernetes architecture required for the exam is quite basic, you should not be afraid.
What is asked of you during the exam boils down to tasks from the official documentation. There’s no need to know how to do every tasks by heart as the official documentation is allowed during the exam. You only need to find quickly the task page matching the question.
You will say: “But I need to know complex things like how to troubleshoot a non working cluster!”. Yes you need to. And there is task for it in the documentation.** There is a task for everything in the doc** 🤹♀️
Some courses offer you interactive sandboxes to operate a real Kubernetes cluster. It’s a really nice feature! However, do not forget you can also** practice on a cluster for free** using Katacoda for example.
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