Free CKA Practice Test 2026: Where to Practice + Sample Questions

The CKA is not a multiple-choice exam. It is a 2-hour live terminal session where you fix real Kubernetes clusters. That distinction changes everything about how you should practice — and it is the reason that finding the right free practice resources matters so much. The wrong kind of practice (flashcard memorization, brain-dump Q&A) will leave you slow and confused on exam day. The right kind will have you running kubectl debug and restoring etcd snapshots without thinking.

Why Free Practice Matters for the CKA

The CKA pass rate hovers around 65-70% on the first attempt. That means roughly one in three candidates who feel prepared enough to book the exam still fail it. The gap is almost never knowledge — it is execution speed and muscle memory under pressure. Candidates who cram lecture videos without doing hands-on tasks consistently run out of time. Candidates who practice on real clusters consistently do not.

The $445 exam fee is already a significant investment. Adding $500-800 in course and simulator fees before you even know whether your study approach is working is a risk. A smart strategy uses free resources to build the foundation and saves premium tools for the final polish. This guide is that smart strategy.

There is also a deeper reason free practice resources matter: the CKA is performance-based, which means repetition on real tasks is what builds the skill. You cannot read your way to passing. You have to type. The more different free contexts you practice in — your laptop cluster, browser-based labs, scenario questions — the more robust your muscle memory becomes under the stress of a live proctored session.

For a broader look at how the CKA fits into the Kubernetes certification landscape, see our Kubernetes Certifications Guide. If you want to understand exactly how hard the exam is before committing, read our analysis of CKA exam difficulty and pass rates in 2026.

What Makes a Good CKA Practice Test

Not all practice is equal. The CKA is a performance-based exam, and practice resources that do not reflect that format are at best a distraction and at worst actively misleading. Here is what separates useful from useless:

Must-have: hands-on kubectl execution

The best CKA practice gives you a task and makes you type the solution in a real or simulated terminal. A question like "which flag backs up etcd?" is useless. A task like "back up the etcd cluster to /opt/etcd-backup.db using the correct cert flags" is how you build the skill that passes the exam. If a practice resource does not require you to run commands, it is supplementary at best.

Must-have: scenario context, not isolated facts

Real CKA tasks always include context: the cluster state, the namespace, what is broken, what the expected end state is. Good practice questions mirror this. "Create a pod" is too abstract. "Create a pod named web in namespace frontend using image nginx:1.25, with a readiness probe hitting /healthz on port 80 after an initial delay of 5 seconds" is how the exam is actually phrased.

Must-have: coverage across all 5 domains

The CKA weights Troubleshooting at 30% and Cluster Architecture at 25%. Practice resources that focus on Workloads (only 15%) because those tasks are easier to write are setting you up to under-invest in your highest-value domains. Check domain coverage before committing to a resource.

Nice-to-have: answer explanations with the kubectl commands

Knowing what to run matters. Knowing why you run it — which flags, which order, how to verify — is what lets you adapt when the exam task is phrased differently than you expect. Resources that show the full command with explanation are worth far more than resources that just show the answer.

Best Free CKA Practice Resources in 2026

Here is an honest comparison of what is actually available for free, what the limitations are, and how each resource fits into a study plan.

1. ExamCert Free CKA Questions — Best for Concept Reinforcement

ExamCert's free CKA practice questions are AI-generated scenario questions covering all five CKA domains. No sign-up required. The questions are scenario-style — they include cluster context, namespace, expected output — and the answers include the full kubectl command sequence with explanations. Coverage spans RBAC, etcd backup/restore, networking, storage, and troubleshooting. Best used between lab sessions to reinforce concepts and spot weak areas before drilling them in a real cluster.

2. killer.sh — Best Simulator (Free with Exam Purchase)

killer.sh is the gold standard CKA simulator. It runs harder than the real exam by design — typically 15-20% lower scores than your actual exam result. Two full attempts are bundled with your $445 Linux Foundation exam registration at no extra cost. The interface matches the real exam environment: remote terminal, multiple cluster contexts, timed 2-hour sessions. If purchased separately it costs ~$29, but there is rarely a reason to buy it standalone since it ships with the exam. Use one attempt mid-study to benchmark, and one 48 hours before exam day to hot-reload muscle memory.

3. KodeKloud Free Labs — Best for Structured Hands-on Practice

KodeKloud's free tier includes a selection of Kubernetes labs with guided instructions and in-browser terminals — no local cluster setup required. The free access is limited compared to the paid course, but the available labs cover core workload and troubleshooting tasks. Particularly useful early in your study when you do not yet have a working local cluster. Pair with the free YouTube content from the KodeKloud channel for context.

4. kubernetes.io Tasks Section — Best for Official Documentation Practice

The Tasks section of kubernetes.io (docs.kubernetes.io/tasks) is underrated as a practice resource. It is the same documentation you can access during the exam, and each task is a step-by-step exercise you can follow in your own cluster. Coverage is comprehensive and authoritative — these are the exact scenarios the exam writers reference. Using the docs actively during study also builds the navigation speed that saves time on exam day. Focus on: Configure RBAC, Configure a Pod to Use a PersistentVolume, Run a Stateless Application, and Troubleshoot Applications.

5. GitHub Practice Repos — Best for Break-Fix Scenarios

Several community-maintained GitHub repositories provide pre-broken cluster scenarios for CKA troubleshooting practice. Search for "CKA practice scenarios" or "CKA troubleshooting labs" on GitHub. The quality varies, but the best repos provide a script that deliberately misconfigures a cluster and a separate answer key. These are excellent for Week 5 troubleshooting drills. Verify that any repo targets Kubernetes v1.30+ before using it — older scenarios may reference deprecated APIs.

6. ExamCert CKA Practice Questions Post — Sample Scenario Bank

Our companion post CKA Practice Questions 2026 contains an additional bank of scenario questions with detailed answers. Use it alongside this guide to extend your free practice question pool. Together the two posts cover 15+ sample tasks across all domains.

8 Free Sample CKA Practice Tasks with Answers

These tasks mirror the format, difficulty, and phrasing of real CKA exam items. Work through each one in your local cluster before reading the answer. Kubernetes v1.30+ syntax throughout.

kubectl create namespace app-team
kubectl create serviceaccount deployer -n app-team
kubectl create role deploy-role --verb=get,list,create --resource=deployments -n app-team
kubectl create rolebinding deploy-binding --role=deploy-role --serviceaccount=app-team:deployer -n app-team
# Verify
kubectl auth can-i create deployments --as=system:serviceaccount:app-team:deployer -n app-team

ETCDCTL_API=3 etcdctl snapshot save /opt/etcd-snapshot.db \
  --endpoints=https://127.0.0.1:2379 \
  --cacert=/etc/kubernetes/pki/etcd/ca.crt \
  --cert=/etc/kubernetes/pki/etcd/server.crt \
  --key=/etc/kubernetes/pki/etcd/server.key
# Verify the snapshot
ETCDCTL_API=3 etcdctl snapshot status /opt/etcd-snapshot.db --write-out=table

kubectl describe pod web-app -n prod   # check Events section for clues
kubectl logs web-app -n prod           # check current logs
kubectl logs web-app -n prod --previous  # check logs from last crash
# Common causes: wrong image tag, missing ConfigMap/Secret mount, wrong command/args
# Once identified, edit the pod spec:
kubectl edit pod web-app -n prod
# Or delete and recreate with corrected YAML:
kubectl get pod web-app -n prod -o yaml > web-app.yaml
# Edit web-app.yaml, then:
kubectl delete pod web-app -n prod && kubectl apply -f web-app.yaml

# pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-data
spec:
  capacity:
    storage: 2Gi
  accessModes: [ReadWriteOnce]
  persistentVolumeReclaimPolicy: Retain
  hostPath:
    path: /mnt/data
---
# pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pvc-data
  namespace: default
spec:
  accessModes: [ReadWriteOnce]
  resources:
    requests:
      storage: 1Gi
kubectl apply -f pv.yaml -f pvc.yaml
kubectl get pvc pvc-data  # should show Bound

kubectl describe node worker-01  # check Conditions and Events
# SSH to the node
ssh worker-01
systemctl status kubelet         # check if kubelet is running
journalctl -u kubelet --since "10 minutes ago" --no-pager  # read error messages
# Common fixes:
systemctl start kubelet          # if stopped
systemctl enable kubelet         # ensure it starts on reboot
# If config error, check:
cat /var/lib/kubelet/config.yaml
# For container runtime issues:
systemctl status containerd
crictl ps                        # list running containers
# After fix, verify from control plane:
kubectl get nodes  # worker-01 should return Ready

kubectl create ingress web-ingress -n web \
  --rule="app.example.com/=web-svc:80" \
  --class=nginx
# Or via YAML for more control:
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: web-ingress
  namespace: web
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  ingressClassName: nginx
  rules:
  - host: app.example.com
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: web-svc
            port:
              number: 80
kubectl apply -f ingress.yaml
kubectl get ingress -n web  # verify ADDRESS is populated

# deny-all.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: deny-all-ingress
  namespace: secure
spec:
  podSelector: {}
  policyTypes: [Ingress]
---
# allow-web.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-web-ingress
  namespace: secure
spec:
  podSelector: {}
  policyTypes: [Ingress]
  ingress:
  - from:
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - port: 80
kubectl apply -f deny-all.yaml -f allow-web.yaml

# On control plane node
apt-get update
apt-cache madison kubeadm | grep 1.30  # find available version
apt-get install -y kubeadm=1.30.0-1.1
kubeadm upgrade plan                    # review upgrade plan
kubeadm upgrade apply v1.30.0          # run the upgrade
# Drain the node (from kubectl client):
kubectl drain <control-plane-node> --ignore-daemonsets --delete-emptydir-data
# Upgrade kubelet and kubectl
apt-get install -y kubelet=1.30.0-1.1 kubectl=1.30.0-1.1
systemctl daemon-reload
systemctl restart kubelet
# Uncordon
kubectl uncordon <control-plane-node>
kubectl get nodes  # verify v1.30.0

How to Simulate Real Exam Conditions for Free

Having practice questions is only half the equation. The other half is practicing under conditions that match the real exam. Here is how to replicate the CKA environment without paying for premium simulators.

Set up kind for free multi-node practice

kind (Kubernetes IN Docker) is the closest free approximation of the exam environment. Install Docker and kind, then create a multi-node cluster with a single command:

cat > kind-config.yaml << 'EOF'
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: worker
- role: worker
EOF
kind create cluster --config kind-config.yaml --name cka-practice --image kindest/node:v1.30.0

This gives you a 3-node cluster (1 control plane, 2 workers) running v1.30.0 — the same version as the 2026 CKA. You can install the nginx Ingress controller, experiment with NetworkPolicies via Calico or Kindnet, and deliberately break nodes to practice troubleshooting.

Set up minikube for add-on practice

minikube is faster to start and has a rich add-on ecosystem. Use it for Ingress, metrics-server, and storage class practice:

minikube start --kubernetes-version=v1.30.0 --driver=docker
minikube addons enable ingress
minikube addons enable metrics-server

Configure your shell to match the exam terminal

The exam terminal has specific aliases and settings pre-configured. Replicate them locally so practice feels identical to the real environment:

alias k=kubectl
source <(kubectl completion bash)
complete -F __start_kubectl k
export do='--dry-run=client -o yaml'
export now='--grace-period=0 --force'
# vim settings for YAML editing
echo 'set nu et ts=2 sw=2 ai' >> ~/.vimrc

Run timed mock sessions

Once you have a cluster and a list of tasks, run timed 2-hour mock sessions with no external resources except kubernetes.io. Pick 12-15 tasks from this post, the CKA practice questions post, and our CKA study guide. Set a timer, no pausing. Score yourself at the end. This is the single most valuable free practice you can do in the final week.

7-Day Free Practice Plan

This plan assumes you have already completed your core study and are entering the final week before the exam. It uses only free resources.

Day 1 — Cluster Setup + Shell Configuration

Set up a fresh kind cluster running v1.30.0. Configure your shell aliases and vim settings. Run 5 tasks from this post to warm up and identify your weakest domain.

Day 2 — Cluster Architecture Drills

Practice 3 etcd backup and restore cycles (different target paths each time). Build a complete RBAC chain from scratch: namespace → ServiceAccount → Role → RoleBinding → verify with kubectl auth can-i. Practice a kubeadm cluster upgrade if your cluster is on v1.29.

Day 3 — Networking + Storage Sprint

Create all four Service types in your cluster. Install the nginx Ingress controller and route traffic from two different hosts. Write NetworkPolicies with default-deny plus explicit allow rules. Create PVs and PVCs with each of the three access modes. Mount a PVC into a running pod.

Day 4 — Troubleshooting Marathon

This is the most important day. Deliberately break your cluster in 5 different ways and time yourself fixing each one. Ideas: stop the kubelet, set a wrong image tag, add a misspelled label to a selector, corrupt the kubeconfig, apply a NetworkPolicy that blocks DNS. Practice the full investigation toolkit: kubectl describe, kubectl logs --previous, journalctl -u kubelet, crictl ps, kubectl debug.

Day 5 — ExamCert Free Questions + Weak-Area Patch

Work through the ExamCert free CKA questions and the CKA practice questions post. Note every question you hesitate on. Spend the second half of the day doing targeted cluster practice on those weak areas only.

Day 6 — Full Timed Mock (2 Hours)

Run a complete 2-hour timed session. Pick 15 tasks from across all your free resources. Single browser tab to kubernetes.io only — no other references. Score honestly. Read our CKA exam day tips in the evening to prime your exam-day mindset. If you purchased the exam, burn your second killer.sh attempt today.

Day 7 (Exam Day) — Light Review + Rest

No new practice. Review your shell aliases, check your exam room setup against the Linux Foundation requirements, and re-read the exam day tips. Sleep. The preparation is done.

Frequently Asked Questions

Are there any truly free CKA practice tests?

Yes. ExamCert offers free AI-generated CKA scenario questions at /exams/cka/ with no sign-up required. KodeKloud’s free tier includes select labs. The two killer.sh simulator attempts ship with your $445 exam purchase. Kubernetes.io tasks are always free.

Is killer.sh free for CKA?

Not standalone — killer.sh costs ~$29 if purchased separately. However, two full simulator attempts are included at no extra cost when you register for the CKA exam through the Linux Foundation. Use them strategically: one mid-study, one 48 hours before exam day.

Can I practice CKA on my laptop for free?

Yes. Install kind (Kubernetes IN Docker) or minikube — both are free and open source. kind spins up multi-node clusters in under 2 minutes on any machine with Docker. minikube supports add-ons like Ingress and metrics-server out of the box. Both are sufficient for all CKA lab domains.

How many practice questions do I need before the CKA?

Quality beats quantity. 50-80 well-structured hands-on tasks practiced in a real cluster matter far more than 500 multiple-choice questions. Aim to complete all killer.sh tasks, 20-30 ExamCert scenario questions, and at least 10 break-fix drills in your own lab before exam day.

What is the best free resource for CKA practice in 2026?

For concept reinforcement: ExamCert’s free CKA questions at /exams/cka/. For hands-on labs: KodeKloud free tier and your own kind cluster. For realistic exam simulation: the two killer.sh attempts bundled with your exam registration. Combine all three for the best coverage.