# 10 Mistakes I Wish I Knew Before Taking the CKA Exam

After earning the [Certified Kubernetes Administrator (CKA)](https://www.credly.com/badges/e72821a9-97a5-4ee8-a7f6-93f40246e864/public_url) certification and reflecting on my preparation and exam-day experience, I realized there were several mistakes I made — or nearly made — that could have cost me valuable points.

The CKA exam is not a traditional certification exam.

There are no multiple-choice questions.

No guessing.

No theory-only questions.

You are given a live Kubernetes environment and expected to solve real-world tasks under time pressure.

Looking back, these are the 10 mistakes I wish I knew about before taking the exam.

## **1\. Trying to Memorize Everything**

One of the biggest misconceptions about CKA is that you need to memorize every command and YAML definition.

You don’t.

The Kubernetes documentation is available during the exam.

Instead of memorizing everything, focus on:

*   Understanding concepts
    
*   Knowing where information lives
    
*   Navigating documentation quickly
    

The faster you can find information, the more efficient you’ll be.

## **2\. Not Spending Enough Time in the Terminal**

Watching videos feels productive.

But Kubernetes is learned in the terminal.

The CKA exam rewards hands-on skills.

Spend more time:

*   Creating resources
    
*   Editing YAML
    
*   Troubleshooting issues
    
*   Working with kubectl
    

The terminal should feel like your second home before exam day.

## **3\. Ignoring Troubleshooting Practice**

Many candidates focus heavily on deployments and configuration.

But troubleshooting is where real Kubernetes skills are tested.

Practice solving:

*   CrashLoopBackOff
    
*   ImagePullBackOff
    
*   Scheduling issues
    
*   Networking problems
    
*   Storage issues
    

The more broken environments you fix, the better prepared you’ll be.

## **4\. Spending Too Long on One Question**

This is probably the easiest way to lose points.

If a question is taking too much time:

*   Mark it mentally
    
*   Move on
    
*   Return later
    

A difficult question is not worth sacrificing multiple easier questions.

Collect points first.

## **5\. Not Reading the Question Carefully**

Sometimes the solution isn’t difficult.

The challenge is understanding exactly what the question is asking.

Pay attention to:

*   Namespace requirements
    
*   Context switches
    
*   Resource names
    
*   Specific constraints
    

Reading carefully saves time later.

## **6\. Forgetting to Verify Your Work**

Never assume your solution works.

Always verify.

Check:

*   Pod status
    
*   Deployments
    
*   Services
    
*   Nodes
    
*   Network connectivity
    

Verification should become a habit.

## **7\. Not Using Kubernetes Documentation Efficiently**

The documentation is available.

But many candidates don’t practice using it.

Before the exam:

*   Learn how to search quickly
    
*   Bookmark common sections
    
*   Practice finding YAML examples
    

Documentation navigation is an exam skill by itself.

## **8\. Not Building Your Own Lab Environment**

Hands-on labs are excellent.

But building your own Kubernetes cluster teaches different lessons.

My local Kubernetes environment helped me:

*   Experiment freely
    
*   Break things intentionally
    
*   Troubleshoot repeatedly
    
*   Reinforce concepts
    

The best learning often happens when things stop working.

## **9\. Underestimating Time Management**

The exam is not only a test of Kubernetes knowledge.

It’s also a test of prioritization.

My approach:

*   Scan all questions first
    
*   Solve easy questions immediately
    
*   Return to difficult tasks later
    

This strategy helped me maximize points.

## **10\. Focusing Only on Passing Instead of Learning**

This was the biggest lesson.

If your goal is only to pass the exam, you’ll likely forget much of the material afterward.

If your goal is to understand Kubernetes deeply, passing becomes a natural outcome.

The certification lasts for a few years.

The skills can benefit your career for decades.

## **Final Thoughts**

The CKA exam challenged me not only technically but also mentally.

It taught me:

*   Problem solving
    
*   Troubleshooting
    
*   Prioritization
    
*   Documentation skills
    
*   Staying calm under pressure
    

If you’re currently preparing for CKA, remember:

Don’t chase shortcuts.

Build things.

Break things.

Fix things.

Repeat.

That’s where real Kubernetes learning happens.

And that’s what ultimately helped me pass the CKA exam and continue my journey toward becoming a Kubestronaut.

## **Connect With Me**

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Website: [https://shahzadahmad.dev/](https://shahzadahmad.dev/)

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