Certified Kubernetes Administrator Study Guide (2026) - Pass on Your First Attempt
📋 2026 Edition  ·  Updated May 2026

Certified Kubernetes Administrator
cka Study Guide — Pass First Attempt

Complete exam coverage for the Certified Kubernetes Administrator. Every domain, every key topic — structured so you study smart, not hard. Built around the official exam blueprint.

17
Questions
120 min
Duration
66
Passing score
5
Domains
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First-attempt pass rate
47K+
Candidates prepared
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Average rating
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Cluster Architecture, Installation and Configuration
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Exam at a Glance

Everything you need to know before you start

Key facts about the Certified Kubernetes Administrator exam structure, format, and scoring.

🆔
cka
Exam code
📝
17 questions
Total questions
⏱
120 minutes
Duration
🎯
66
Passing score
📋
5 domains
Exam domains
📅
Valid 3 years
Certification validity
🌐
Online / In-person
Testing mode
🏆
Globally recognised
Credential type
ℹ️
Scoring method: Performance-based scoring. Tasks are weighted by complexity. 66% or higher required to pass. 17 tasks in 120 minutes. Official Kubernetes docs (kubernetes.io) permitted. Includes 2 exam simulation attempts via Killer.sh. Cost $445 with one free retake. Valid 3 years.. The exam may include unscored pilot questions — treat every question seriously.
Focus Areas

What should you study for the Certified Kubernetes Administrator exam?

To pass the Certified Kubernetes Administrator certification exam, you should focus on these core domains. The exam tests your ability to apply concepts in real-world scenarios — not just memorise definitions.

⚠️
Common mistake: Candidates memorise terminology but struggle with scenario-based questions. Focus on when to use what, not just what exists.
🔐
Cluster Architecture, Installation and Configuration (25%)
Covers installing and configuring Kubernetes clusters using kubeadm, managing RBAC, cluster upgrades, and etcd backup/restore.
🏗
Workloads and Scheduling (15%)
Covers deploying and managing Pods, Deployments, DaemonSets, StatefulSets, Jobs, CronJobs, and resource management.
⚡
Services and Networking (20%)
Covers Kubernetes networking, Service types, Ingress, NetworkPolicies, CoreDNS, and cluster DNS.
💰
Storage (10%)
Covers Kubernetes persistent storage including PersistentVolumes, PersistentVolumeClaims, StorageClasses, and volume types.
🔄
Troubleshooting (30%)
Covers diagnosing and resolving issues with cluster components, node health, application failures, and network connectivity problems.
Full Syllabus

Certified Kubernetes Administrator Exam Syllabus and Topics

The Certified Kubernetes Administrator exam is divided into 5 domains. Each domain tests specific skills and contributes to your overall score. Click any domain to expand topics.

Cluster Architecture, Installation and Configuration
Covers installing and configuring Kubernetes clusters using kubeadm, managing RBAC, cluster upgrades, and etcd backup/restore.
25% ▼
kubeadm Cluster Operations
Bootstrapping a cluster with kubeadm init and kubeadm join
Upgrading control plane and worker nodes with kubeadm upgrade
Adding and removing worker nodes from the cluster
High-availability control plane setup concepts
RBAC and Security
Creating Role and ClusterRole for permissions
Creating RoleBinding and ClusterRoleBinding
Service Account creation and token management
RBAC debugging: kubectl auth can-i for permission verification
etcd Management
etcd backup using etcdctl snapshot save
etcd restore from snapshot
etcd endpoint and certificate configuration
etcd health check and cluster status
~4 questions
25 marks
25% of exam weight
Workloads and Scheduling
Covers deploying and managing Pods, Deployments, DaemonSets, StatefulSets, Jobs, CronJobs, and resource management.
15% ▼
Deployments and Workloads
Creating and managing Deployments, ReplicaSets, and StatefulSets
Rolling updates and rollbacks with kubectl rollout
DaemonSets for node-level workloads
Jobs and CronJobs for batch processing
Scheduling and Resources
Node affinity, pod affinity, and anti-affinity rules
Taints and tolerations for node scheduling control
Resource requests and limits: CPU and memory
LimitRange and ResourceQuota for namespace-level controls
Manual scheduling: nodeName and nodeSelector
~3 questions
15 marks
15% of exam weight
Services and Networking
Covers Kubernetes networking, Service types, Ingress, NetworkPolicies, CoreDNS, and cluster DNS.
20% ▼
Services
Service types: ClusterIP, NodePort, LoadBalancer, ExternalName
Endpoint management and service selectors
Headless services for StatefulSet DNS-based discovery
Ingress and Network Policies
Ingress resource configuration and routing rules
Ingress controllers and backend service configuration
NetworkPolicy for pod-to-pod traffic control
Ingress and Egress policy rule writing
DNS and Connectivity
CoreDNS configuration and troubleshooting
Pod DNS policy: ClusterFirst, Default, None
Service DNS naming: service.namespace.svc.cluster.local
CNI plugin concepts: Calico, Flannel, Weave Net
~3 questions
20 marks
20% of exam weight
Storage
Covers Kubernetes persistent storage including PersistentVolumes, PersistentVolumeClaims, StorageClasses, and volume types.
10% ▼
PersistentVolumes and Claims
PersistentVolume (PV) creation and access modes: RWO, ROX, RWX
PersistentVolumeClaim (PVC) creation and binding
StorageClass and dynamic provisioning
Volume reclaim policies: Retain, Recycle, Delete
Mounting volumes in Pods: volumeMounts and volumes spec
Volume Types
emptyDir for temporary Pod storage
hostPath for node-level storage
ConfigMap and Secret as volumes
CSI (Container Storage Interface) driver concepts
~2 questions
10 marks
10% of exam weight
Troubleshooting
Covers diagnosing and resolving issues with cluster components, node health, application failures, and network connectivity problems.
30% ▼
Node and Cluster Component Issues
Node NotReady diagnosis: kubelet status, logs, and config
Troubleshooting control plane components: kube-apiserver, kube-scheduler, kube-controller-manager
etcd health checks and data integrity
systemctl and journalctl for system-level diagnostics
Application and Pod Troubleshooting
kubectl describe for event-based debugging
kubectl logs for container output examination
kubectl exec for in-container debugging
CrashLoopBackOff, OOMKilled, and ImagePullBackOff diagnosis
Init container and multi-container Pod debugging
Network Troubleshooting
Service endpoint connectivity testing
DNS resolution testing inside Pods
NetworkPolicy debugging and traffic flow verification
Using temporary debug Pods with network tools
~5 questions
30 marks
30% of exam weight
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Study Plan

Certified Kubernetes Administrator Structured Study Roadmap

Designed for candidates studying 1-2 hours per day. Select your timeline below.

Exam Strategy

Tips to pass Certified Kubernetes Administrator on your first attempt

Tactical advice beyond content knowledge — what separates candidates who pass from those who retake.

🗓
Troubleshooting is 30% of the exam — practice diagnosing broken clusters: unhealthy kubelet, misconfigured kube-apiserver, failed deployments, and unreachable services.
🔍
Speed with kubectl imperative commands is critical — you have about 6-7 minutes per task; use imperative commands (kubectl create, kubectl run, kubectl expose) rather than writing YAML from scratch.
⏭
kubectl alias: set 'alias k=kubectl' and 'export do=--dry-run=client -o yaml' in your exam shell to generate YAML templates quickly with 'k run nginx --image=nginx $do'.
📊
Bookmark key Kubernetes documentation pages before the exam: Pods, Deployments, PersistentVolumes, RBAC, and NetworkPolicies — you can access kubernetes.io during the exam.
🔁
RBAC practice: creating Role, ClusterRole, RoleBinding, ClusterRoleBinding is a guaranteed task type — practice these until you can write them from memory.
🧪
etcd backup/restore is always on the exam: memorize 'ETCDCTL_API=3 etcdctl snapshot save/restore' with correct --cacert, --cert, --key, --endpoints arguments.
📝
kubeadm upgrade sequence: drain node → apt-get upgrade kubeadm → kubeadm upgrade plan → kubeadm upgrade apply → uncordon node — practice this workflow.
🎯
NetworkPolicy YAML syntax is tricky — practice writing both ingress and egress rules with podSelector, namespaceSelector, and ipBlock combinations.
🗓
Use kubectl explain for quick field reference during the exam: 'kubectl explain pod.spec.containers.resources' shows all available fields.
🔍
The February 2025 CKA update increased Troubleshooting weight significantly — spend at least 40% of your preparation time on breaking and fixing cluster components intentionally.
Recommended Resources

Official and trusted study materials

Curated resources ranked by usefulness. Quality over quantity — focus on a small set of authoritative sources.

Official
Official Exam Guide
The authoritative blueprint. Know every objective before studying anything else.
→ Vendor website
Practice Tests
Edureify Practice Tests
Full-length Certified Kubernetes Administrator simulations with detailed per-domain analysis and explanations.
→ Start free test
Video Course
Structured Video Course
Pick one highly-rated course and complete it end-to-end before switching resources.
With edureify Convert Tutorial to AI Tutor
Reference
Domain Cheat Sheets
One-page summaries for each Certified Kubernetes Administrator domain — ideal for last-week revision.
→ Get free Cheat Sheet
Community
Study Groups & Forums
Reddit r/certifications and exam-specific Discord servers for peer support and tips.
→ Reddit / Discord
AI Tutor
Edureify AI Mentor
Get instant answers to Certified Kubernetes Administrator concepts, domain-level weak-area coaching, and adaptive questions.
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⚠️
Avoid brain dumps. Sites selling "real exam questions" violate most vendor NDAs and are legally risky. Questions rotate regularly — brain dumps lead to overconfidence on outdated material and a higher retake rate.
Reviews

What candidates say after passing

★★★★★
"Passed Certified Kubernetes Administrator on my first attempt after 5 weeks. The domain-level diagnostic showed me exactly where my gaps were — I stopped wasting time on topics I already knew."
Rahul S.
Solutions Architect, Bangalore
★★★★★
"The structured study plan kept me on track. I tried studying on my own for 3 months and failed. With Edureify's roadmap I passed in 6 weeks."
Priya M.
Cloud Engineer, Mumbai
★★★★★
"The AI mentor was like having a personal tutor available at 2am. Every concept I didn't understand was explained until I got it. Invaluable for the Cluster Architecture, Installation and Configuration domain."
David K.
DevOps Engineer, London
FAQ

Frequently asked questions about Certified Kubernetes Administrator

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