DEV Community: Shahzad Ali Ahmad

My CKA Exam-Day Experience: What Went Right, What Went Wrong, and Lessons Learned

Shahzad Ali Ahmad — Sun, 24 May 2026 22:55:00 +0000

After months of preparation, countless Kubernetes labs, and many late-night troubleshooting sessions, exam day had finally arrived.

The Certified Kubernetes Administrator (CKA) exam was unlike any certification exam I had taken before.

There were no multiple-choice questions.

No guessing.

No memorized answers.

Just a terminal, a Kubernetes cluster, and a set of real-world tasks that needed to be completed under time pressure.

In this article, I’ll share my CKA exam-day experience, time management strategy, common mistakes to avoid, and the lessons I learned from taking one of the most respected Kubernetes certifications.

Before the Exam
A few days before the exam, I stopped learning new topics.

Instead, I focused on:

Reviewing Kubernetes documentation
Practicing kubectl commands
Revisiting weak areas
Running troubleshooting scenarios
Improving speed
One lesson I learned:

The final days before the exam should focus on revision, not new learning.

Exam Setup
I joined the exam early to complete the verification process.

Make sure:

Your desk is clean
Your room is quiet
Internet connection is stable
Webcam and microphone work properly
Identification documents are ready
The verification process can take time, so joining early reduces stress.

The Biggest Surprise
The biggest challenge wasn’t Kubernetes.

It was time management.

Many tasks are straightforward.

However, under exam pressure, even simple tasks can take longer than expected.

I quickly realized that every minute matters.

My Time Management Strategy
One approach helped me significantly.

First Pass
I immediately scanned all questions.

Then I categorized them:

✅ Easy

⚠️ Medium

🔥 Difficult

I completed easy questions first.

This allowed me to secure points quickly and build confidence.

Only after finishing the easier tasks did I move to the more complex scenarios.

The Power of kubectl
During preparation, I spent considerable time practicing kubectl commands.

That investment paid off.

The faster you can work with:

kubectl get
kubectl describe
kubectl edit
kubectl apply
kubectl create
the more time you’ll save throughout the exam.

Small time savings add up.

Documentation is Your Friend
Many candidates underestimate the importance of documentation.

The Kubernetes documentation is available during the exam.

The goal is not to memorize everything.

The goal is to know:

Where information exists
How to find it quickly
How to adapt examples
The faster you navigate documentation, the more productive you’ll be.

Common Mistakes to Avoid
1. Spending Too Long on One Question
This is probably the biggest mistake.

If you’re stuck:

Move on
Collect easier points
Return later
Don’t sacrifice multiple questions for one difficult task.

2. Not Verifying Your Work
Always verify.

Check:

Pod status
Deployments
Services
Node conditions
Never assume a task is completed correctly.

Trust verification, not assumptions.

3. Ignoring Namespace Requirements
Many questions involve multiple namespaces.

Always check:

Current context
Namespace
Cluster
A correct solution in the wrong namespace may still be marked incorrect.

4. Not Reading Carefully
The exam often provides exactly what you need.

Read the task carefully before taking action.

A few seconds of reading can save several minutes of troubleshooting.

Lessons Learned
The CKA exam taught me much more than Kubernetes.

It taught me:

Staying calm under pressure
Prioritization
Troubleshooting efficiently
Managing limited time
Thinking methodically
These are valuable skills far beyond certification exams.

What Helped Me Most
Looking back, the most valuable parts of my preparation were:

Hands-on labs
Building local Kubernetes clusters
Troubleshooting broken environments
Using Kubernetes documentation regularly
Repeating practical exercises
The exam rewards practical knowledge far more than theoretical memorization.

Final Thoughts
Passing the CKA was a major milestone in my cloud-native journey.

More importantly, it gave me confidence to pursue CKAD, CKS, and eventually the goal of becoming a Kubestronaut.

If you’re preparing for CKA, remember:

Learn the concepts.

Practice consistently.

Break things intentionally.

Troubleshoot relentlessly.

And most importantly, stay calm during the exam.

Kubernetes is challenging, but with enough hands-on experience, it becomes manageable.

Good luck on your CKA journey.

Connect With Me
LinkedIn: https://www.linkedin.com/in/shahzadaliahmad/

LFX Profile: https://openprofile.dev/profile/shahzadahmad91

Credly: https://www.credly.com/users/shahzadahmad

Follow me for more Kubernetes, CNCF, DevOps, and cloud-native content.

How I Prepared for CKA: Resources, Labs, and Strategy That Worked for Me

Shahzad Ali Ahmad — Sun, 24 May 2026 20:45:00 +0000

After sharing my journey toward becoming a Kubestronaut and earning CKA, CKAD, and CKS certifications, one of the most common questions I receive is:

“How did you prepare for the CKA exam?”

In this article, I’ll share the exact resources, hands-on labs, and study strategy that helped me clear the Certified Kubernetes Administrator (CKA) exam.

This isn’t the only way to prepare for CKA, but it’s the approach that worked for me.

Why I Chose CKA First
Kubernetes had already become the standard orchestration platform across the cloud-native ecosystem, and I wanted to move beyond theory and gain practical expertise.

Among all Kubernetes certifications, CKA provides the strongest foundation because it teaches how Kubernetes clusters are deployed, managed, maintained, and troubleshooted.

Once you understand CKA concepts, preparing for CKAD and CKS becomes significantly easier.

My Learning Resources
1. KodeKloud CKA Course
The primary resource I used was the KodeKloud Certified Kubernetes Administrator course.

What I liked:

Beginner-friendly explanations
Excellent hands-on labs
Real-world scenarios
Strong troubleshooting exercises
Structured learning path
The labs helped me immediately apply what I learned instead of simply watching videos.

2. Mumshad Mannambeth’s CKA Udemy Course
I also used the popular CKA Udemy course by Mumshad Mannambeth.

The course provides:

Clear explanations
Practical demonstrations
Exam-oriented preparation
Good coverage of all exam objectives
Many Kubernetes professionals start their certification journey with this course, and for good reason.

3. Kubernetes Documentation
One of the most important resources for CKA preparation is the Kubernetes documentation itself.

The exam allows access to Kubernetes documentation, so learning how to navigate it efficiently is a skill on its own.

I spent considerable time:

Searching documentation quickly
Understanding kubectl examples
Reviewing YAML specifications
Practicing documentation-based troubleshooting
The faster you can find information in the docs, the more time you’ll save during the exam.

My Hands-On Lab Setup
While KodeKloud labs were excellent, I wanted additional practice.

To achieve this, I created a local Kubernetes environment on my laptop.

My local setup allowed me to:

Create clusters repeatedly
Deploy applications
Practice networking concepts
Configure storage
Test RBAC configurations
Break things intentionally and fix them
This was one of the most valuable parts of my preparation.

Kubernetes is not something you learn by reading alone.

You learn Kubernetes by:

Deploying
Troubleshooting
Breaking
Fixing
Repeating
The more hands-on time you get, the more confident you’ll feel during the exam.

My Study Strategy
Many candidates make the mistake of watching an entire course before touching Kubernetes.

I took a different approach.

Theory + Practice Together
For every topic I learned:

Watch the concept
Understand the architecture
Practice immediately
Repeat until comfortable
For example:

After learning about Pods, I immediately created Pods.

After learning about Services, I deployed Services.

After learning about RBAC, I configured Roles and RoleBindings.

The Most Important Topics
If I had to prioritize CKA topics, I would focus heavily on:

Cluster Architecture
Understand:

Control Plane Components
etcd
API Server
Scheduler
Controller Manager
Kubelet
Container Runtime

Workloads
Be comfortable with:

Pods
Deployments
DaemonSets
StatefulSets
Jobs
CronJobs

Networking
Networking is a critical CKA skill.

Practice:

Services
DNS
Network Policies
Ingress

Storage
Understand:

Persistent Volumes
Persistent Volume Claims
Storage Classes
Troubleshooting
This is where many points can be earned quickly.

Practice troubleshooting:

Failed Pods
CrashLoopBackOff
ImagePullBackOff
Node issues
Networking problems

My Exam Preparation Phase
During the final weeks before the exam, I focused almost entirely on:

Hands-on practice
kubectl commands
YAML creation
Troubleshooting scenarios
Documentation navigation
I also worked on improving speed.

The CKA exam is not just about knowledge.

It’s about solving problems efficiently within a limited amount of time.

Best Strategy for Clearing CKA
If I had to start again today, my strategy would be:

Learn Kubernetes fundamentals.
Use a structured course (KodeKloud or Udemy).
Practice every concept immediately.
Build your own local Kubernetes environment.
Read Kubernetes documentation regularly.
Focus heavily on troubleshooting.
Practice using only kubectl.
Get comfortable navigating documentation quickly.
Repeat labs multiple times.
Prioritize hands-on experience over memorization.
Remember:

The goal isn’t just to pass the exam.

The goal is to become comfortable operating Kubernetes in real-world environments.

If you achieve that, passing the certification becomes much easier.

Final Thoughts
Looking back, the combination of KodeKloud, Udemy, Kubernetes documentation, and continuous hands-on practice gave me the confidence needed to pass CKA.

More importantly, it helped me build skills that I continue to use in my day-to-day work as a DevOps Engineer.

CKA was the foundation that later helped me achieve CKAD and CKS, and it remains one of the most valuable certifications in my cloud-native journey.

If you’re currently preparing for CKA, stay consistent, practice daily, and don’t be afraid to break things in your lab environment.

That’s where the real learning happens.

Happy Kubernetes learning!

Connect With Me
LinkedIn: https://www.linkedin.com/in/shahzadaliahmad/

LFX Profile: https://openprofile.dev/profile/shahzadahmad91

Credly: https://www.credly.com/users/shahzadahmad

Follow me for more Kubernetes, CNCF, DevOps, and cloud-native content.

My Journey Toward Becoming a Kubestronaut : From CKA to CKS and CKAD

Shahzad Ali Ahmad — Sun, 24 May 2026 10:00:00 +0000

A few years ago, I had no idea that Kubernetes would become such an important part of my professional journey.

Like many engineers, my career started in a completely different space. I began as a Network Engineer, worked with on-premises infrastructure, gradually moved into Cloud Operations, and eventually transitioned into DevOps. Along the way, I kept hearing the same word everywhere: Kubernetes.

At first, Kubernetes felt overwhelming.

Pods, Deployments, Services, Ingresses, RBAC, Persistent Volumes — there seemed to be an endless list of concepts to learn. Every blog, every conference talk, and every job description pointed toward Kubernetes as the foundation of modern cloud-native infrastructure.

I knew that if I wanted to grow as a DevOps Engineer, I needed to move beyond theory and develop real expertise.

The Decision to Pursue CKA
My Kubernetes certification journey began with the Certified Kubernetes Administrator (CKA).

When I first looked at the CKA curriculum, it felt intimidating. Unlike many traditional certification exams, CKA is entirely performance-based. There are no multiple-choice questions. You are placed in a live environment and expected to solve real operational problems.

This was both exciting and terrifying.

I started with the fundamentals:

Kubernetes architecture
Pods and workloads
Networking
Storage
Scheduling
Cluster maintenance
Troubleshooting
My preparation focused heavily on hands-on practice. I spent countless hours creating clusters, breaking them intentionally, and fixing them again. I learned that success in Kubernetes comes less from memorization and more from understanding how different components work together.

The Kubernetes documentation quickly became my best friend.

After weeks of preparation and practice labs, I finally sat for the CKA exam.

Passing the CKA was a huge confidence boost. More importantly, it changed how I approached Kubernetes in my day-to-day work. Concepts that once seemed complicated started making sense.

Taking a Long Pause
Interestingly, I didn’t immediately jump into another certification.

For almost a year, I focused on applying Kubernetes concepts in real-world environments. I worked with cloud infrastructure, automation, CI/CD pipelines, and containerized applications. This practical experience proved just as valuable as certification preparation.

Looking back, this gap helped me more than I realized at the time.

Instead of rushing toward the next badge, I spent time strengthening my foundation.

The Next Challenge: CKS and CKAD
After gaining more hands-on experience, I decided it was time to continue the journey.

This time, I targeted both the Certified Kubernetes Security Specialist (CKS) and Certified Kubernetes Application Developer (CKAD).

Each certification offered a different perspective.

CKAD: Thinking Like a Developer
CKAD shifted my mindset from cluster administration to application delivery.

The focus was on:

Designing applications for Kubernetes
Multi-container pods
ConfigMaps and Secrets
Application troubleshooting
Resource management
It taught me how developers interact with Kubernetes and how applications are built to run effectively inside clusters.

CKS: Security Changes Everything
CKS was arguably the most challenging certification of the three.

Security introduces a completely different layer of complexity.

I spent time learning:

Kubernetes hardening
Pod security
Network policies
Runtime security
Supply chain security
Image scanning and vulnerability management
Preparing for CKS made me realize that operating Kubernetes securely is just as important as operating it successfully.

Three Certifications Down
Today, I hold:

✅ CKA — Certified Kubernetes Administrator

✅ CKAD — Certified Kubernetes Application Developer

✅ CKS — Certified Kubernetes Security Specialist

Each certification taught me something different.

CKA taught me how Kubernetes works.

CKAD taught me how applications run on Kubernetes.

CKS taught me how to secure Kubernetes.

Together, they helped me build a much deeper understanding of the Kubernetes ecosystem.

The Road to Kubestronaut
The ultimate goal is to become a Kubestronaut.

For those unfamiliar with the program, Kubestronaut is awarded to professionals who successfully earn all five major Kubernetes certifications from the CNCF and Linux Foundation ecosystem.

I’m currently three certifications into that journey, with two more certifications remaining.

The finish line is getting closer.

Final Thoughts
If there’s one lesson I’ve learned throughout this journey, it’s this:

Certifications alone don’t make you an expert.

The real value comes from the countless hours spent practicing, troubleshooting, experimenting, and applying what you’ve learned in real environments.

The certifications simply validate that effort.

My journey from Network Engineer to DevOps Engineer and now toward becoming a Kubestronaut has been challenging, rewarding, and filled with continuous learning.

And the journey isn’t over yet.

Two certifications remain.

I’ll be sharing my preparation strategies, lessons learned, resources, mistakes, and experiences in future articles.

See you in the next article.

Connect With Me
If you’re preparing for Kubernetes certifications, pursuing the Kubestronaut journey, or working in the cloud-native ecosystem, I’d love to connect.

Follow me for more articles on Kubernetes, CNCF certifications, DevOps, Platform Engineering, and Cloud-Native technologies.

LinkedIn: https://www.linkedin.com/in/shahzadaliahmad/

LFX Profile: https://openprofile.dev/profile/shahzadahmad91

Credly: https://www.credly.com/users/shahzadahmad

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