Study Guide: Kubernetes and Cloud Native Associate (KCNA)

My KCNA certification is up for renewal, and as I’m preparing to retake the exam, it dawned on me that I wrote up a study guide for it never actually published it. Doh! 🫣

So here it is 🤗

The KCNA is a great entry point for anyone looking to validate their foundational knowledge of Kubernetes and the cloud native ecosystem. I thought it would be helpful to document my study notes and share them with others who are also preparing for the exam.

You Down with PDB?

P.D.B. how can I explain it
I’ll take you frame by frame it
To have y’all all jumpin’, shoutin’, sayin’ it
P is for Pod, D is for Disruption, reboot and watch it ripple
The last B, well, that’s super simple

~ An ode to Naughty by Nature’s track titled O.P.P. which Microsoft Copilot helped me write 😂

Overview

In this post, we’ll take a look at Kubernetes Pod Disruption Budgets (PDBs) and how they can be used to ensure that your applications remain available during planned disruptions.