CKA Practice Index
Practice file index for CKA exam topics (5 domains, 31 topics)
Based on the 2025-2026 CKA latest exam syllabus (5 domains), with a total of 31 practice files. Each file includes: concept explanations + common commands + YAML examples + official documentation links.
🏗️ Domain 1: Cluster Architecture, Installation & Configuration (25%)
| # | Topic | File |
|---|---|---|
| 1.1 | RBAC Access Control | Practice → |
| 1.2 | Cluster Infrastructure Setup | Practice → |
| 1.3 | kubeadm Cluster Management | Practice → |
| 1.4 | Cluster Lifecycle Management | Practice → |
| 1.5 | High Availability Cluster | Practice → |
| 1.6 | Cluster Version Upgrade | Practice → |
| 1.7 | etcd Backup & Restore | Practice → |
| 1.8 | Helm & Kustomize | Practice → |
| 1.9 | Extension Interfaces CNI/CSI/CRI | Practice → |
| 1.10 | CRD & Operator | Practice → |
📦 Domain 2: Workloads & Scheduling (15%)
| # | Topic | File |
|---|---|---|
| 2.1 | Pod Lifecycle | Practice → |
| 2.2 | Workload Controllers | Practice → |
| 2.3 | ConfigMap & Secret | Practice → |
| 2.4 | Resource Management & QoS | Practice → |
| 2.5 | Scaling & HPA | Practice → |
| 2.6 | Scheduling Constraints | Practice → |
| 2.7 | Namespace & Multi-tenancy | Practice → |
🌐 Domain 3: Services & Networking (20%)
| # | Topic | File |
|---|---|---|
| 3.1 | Service Types | Practice → |
| 3.2 | NetworkPolicy | Practice → |
| 3.3 | Ingress & Gateway API | Practice → |
| 3.4 | CoreDNS | Practice → |
| 3.5 | Pod Network Connectivity | Practice → |
| 3.6 | Endpoints Service Discovery | Practice → |
💾 Domain 4: Storage (10%)
| # | Topic | File |
|---|---|---|
| 4.1 | PersistentVolume | Practice → |
| 4.2 | PersistentVolumeClaim | Practice → |
| 4.3 | StorageClass Dynamic Provisioning | Practice → |
🔧 Domain 5: Troubleshooting (30%)
| # | Topic | File |
|---|---|---|
| 5.1 | Node Troubleshooting | Practice → |
| 5.2 | Pod Troubleshooting | Practice → |
| 5.3 | Control Plane Troubleshooting | Practice → |
| 5.4 | Network Troubleshooting | Practice → |
| 5.5 | Logging & Monitoring | Practice → |
🧠 It is recommended to start browsing from the mind map mind map (not yet published), clicking nodes to jump directly to the corresponding practice files.