Certified Kubernetes Administrator Study Guide 2026: Syllabus, Exam Topics & Study Plan -Edureify
📋 2026 Edition  ·  Updated September 2026

Certified Kubernetes Administrator Study Guide 2026

Complete exam coverage for the Certified Kubernetes Administrator: syllabus, domains, key topics, study plan and practical exam preparation strategy.

17
Questions
120 min
Duration
66
Passing score
5
Domains
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Cluster Architecture, Installation and Configuration
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Exam at a Glance

Certified Kubernetes Administrator Exam Overview

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
🏆
Certification
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?

Start with the domains that make up the Certified Kubernetes Administrator exam. Use the detailed syllabus below to work through the individual topics.

⚠️
Common mistake: Candidates often 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 covers specific skills and topics. Expand a domain to see the detailed syllabus.

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
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
Application Packaging and Extension (added January 2025)
Helm: charts, releases, values files, and template basics
Kustomize: bases, overlays, and patches for environment-specific config
Custom Resource Definitions (CRDs) for extending the Kubernetes API
Operators: reconciliation loops and custom controller concepts
~3 questions
15 marks
15% of exam weight
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
Gateway API: GatewayClass, Gateway, and HTTPRoute resources (added to curriculum January 2025)
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
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
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

Choose a preparation timeline based on how much time you have available. For a plan based on your actual readiness and weak domains, use the personalised Edureify study experience. Get My Training Plan →

Weeks 1-2
Core Services + Highest-Weighted Domain
Deep-dive into the most heavily tested domain. Spend more time here when its exam weight is significantly higher.
Official exam guideDomain 1 completeCore conceptsPractice questions
Week 3
Domain 2 - Hands-on Practice
Focus on scenario-based study and reinforce concepts through practical application where applicable.
Domain 2Scenario walkthroughsHands-on practicePractice questions
Week 4
Domain 3 - Deeper Concepts
Work through complex concepts and decision scenarios.
Domain 3Scenario drillsPractice examReview
Week 5
Remaining Domains + Weak Area Targeting
Identify your weaker domains and spend focused time closing those gaps.
Remaining domainsDiagnosticTargeted reviewStudy notes
Week 6
Full Simulations + Final Preparation
Use timed simulations to test your preparation and review the reasoning behind incorrect answers.
Full mock examsWrong-answer reviewFinal reviewExam logistics
Exam Strategy

Tips to pass Certified Kubernetes Administrator on your first attempt

Practical advice for applying what you know, managing questions and preparing for exam conditions.

🗓
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

Certified Kubernetes Administrator Study Resources

Use a focused set of resources alongside the study guide rather than trying to study from everything available.

Official
Official Exam Guide
Start with the authoritative exam objectives and blueprint.
→ Vendor website
Practice Tests
Certified Kubernetes Administrator Practice Test
Practice questions with explanations and domain-level performance analysis.
→ Start free practice test
Mock Exam
Certified Kubernetes Administrator Mock Exam
Timed preparation under realistic exam-style conditions.
→ Take free mock exam
Training
Certified Kubernetes Administrator Certification Training
Structured preparation with personalised learning support and adaptive practice.
→ Certified Kubernetes Administrator certification online training
AI Tutor
Certified Kubernetes Administrator AI Tutor
Get help understanding concepts and work on weak areas with AI-powered learning support.
→ Try Certified Kubernetes Administrator AI tutor
Reference
Certified Kubernetes Administrator Cheat Sheet
Quick-reference summaries for final revision.
→ Get free cheat sheet
Diagnostic
Certified Kubernetes Administrator Readiness Test
Assess your preparation and identify weaker exam domains.
→ Check my readiness
⚠️
Avoid brain dumps. Sites selling real or stolen exam questions may violate certification-provider rules and can leave candidates studying outdated material.
Reviews

What candidates say after passing

★★★★★
CKA is a performance exam and you have to practice at speed, not just for accuracy.Edureify AI's time-pressured scenario sessions built my kubectl execution speed to the point where I could complete cluster tasks in 60% of the time I needed in my first practice sessions.
Finn O.
DevOps Engineer
★★★★★
I kept forgetting to switch kubectl contexts between cluster tasks.Edureify AI's multi-cluster scenarios made context-switching the first thing I do in every task - before I type a single command. That habit prevented several potential wrong-cluster mistakes in the real exam.
Hiro T.
Solutions Architect
★★★★★
The troubleshooting domain is 30% of CKA and I'd been under-preparing it.Edureify AI's node NotReady and Pod CrashLoopBackOff scenarios gave me a systematic diagnostic approach - kubelet first, container runtime second, CNI third - that I used directly in the real exam.
Monica R.
CFA Analyst
★★★★★
Generating manifests with --dry-run=client instead of writing YAML from scratch saved me 20 minutes in the exam.Edureify AI's scenarios always modeled this approach, so it was already my default workflow by exam day. Small technique, significant time impact.
Rahul D.
Cloud Architect
FAQ

Frequently asked questions about Certified Kubernetes Administrator

Most candidates with relevant background can structure their preparation over several weeks, depending on their existing knowledge, available study time and exam difficulty. Use the study roadmap above as a starting point and use the readiness diagnostic to identify where you need more preparation.
The guide covers the exam overview, domains, detailed syllabus and topics, study roadmap, exam preparation tips and links to practice, mock, readiness, cheat-sheet, AI Tutor and training resources.
The guide is designed to organize your preparation around the exam syllabus. You should combine it with practice questions and timed simulations so that you can test both your knowledge and your ability to apply it.
Yes. Start with the exam overview and domain breakdown, then work through the detailed topics using the study roadmap. Candidates with less experience may need additional time for foundational concepts.
Take the Edureify readiness diagnostic to assess your preparation and identify the domains where you need to focus more.
Edureify AI can help explain concepts, identify weaker areas from practice performance and support a more personalised preparation process.

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