CKA Exam Information and Guideline
Certified Kubernetes Administrator 2025
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
Certification Name: Certified Kubernetes Administrator (CKA)
Provider: Cloud Native Computing Foundation (CNCF) and Linux Foundation
Target Audience: Kubernetes administrators, DevOps engineers, and IT professionals managing Kubernetes clusters.
Exam Format: Performance-based (hands-on tasks in a live Kubernetes environment).
Number of Questions: 15-20 performance-based tasks.
Duration: 2 hours.
Passing Score: 66% (on a scale of 0-100).
Language: English.
Delivery Method: Online proctored exam.
Exam Objectives
The CKA exam focuses on the following key objectives:
Cluster Architecture, Installation, and Configuration:
- Understanding Kubernetes cluster components.
- Installing and configuring Kubernetes clusters.
Workloads and Scheduling:
- Managing workloads using Deployments, Pods, and DaemonSets.
- Configuring scheduling for workloads.
Services and Networking:
- Configuring networking and services in Kubernetes.
- Managing ingress and egress traffic.
Storage:
- Configuring persistent storage for applications.
- Managing Persistent Volumes (PVs) and Persistent Volume Claims (PVCs).
Troubleshooting:
- Diagnosing and resolving issues in Kubernetes clusters.
- Debugging application and cluster-level problems.
Security:
- Implementing security best practices in Kubernetes.
- Managing authentication, authorization, and encryption.
Topic Details
The CKA exam covers the following domains and topics:
1. Cluster Architecture, Installation, and Configuration (25%)
- Key Topics:
- Kubernetes cluster components (API server, etcd, kubelet, scheduler, controller manager).
- Installing and configuring Kubernetes using tools like kubeadm.
- Managing high-availability clusters.
- Upgrading Kubernetes clusters.
- Configuring etcd for high availability.
2. Workloads and Scheduling (15%)
- Key Topics:
- Creating and managing Pods, Deployments, and DaemonSets.
- Configuring resource limits and requests.
- Managing rolling updates and rollbacks.
- Configuring scheduling policies and affinity/anti-affinity rules.
3. Services and Networking (20%)
- Key Topics:
- Configuring ClusterIP, NodePort, and LoadBalancer services.
- Managing ingress controllers and ingress resources.
- Configuring network policies.
- Troubleshooting network issues.
4. Storage (10%)
- Key Topics:
- Configuring Persistent Volumes (PVs) and Persistent Volume Claims (PVCs).
- Managing storage classes.
- Configuring dynamic provisioning.
- Troubleshooting storage issues.
5. Troubleshooting (30%)
- Key Topics:
- Diagnosing application and cluster-level issues.
- Debugging Pods, Nodes, and control plane components.
- Monitoring and logging in Kubernetes.
- Using tools like kubectl, kubeadm, and etcdctl for troubleshooting.
6. Security (10%)
- Key Topics:
- Configuring authentication and authorization (RBAC).
- Managing secrets and ConfigMaps.
- Configuring network policies and encryption.
- Implementing security best practices for Kubernetes clusters.
Key Terminology
Below is a list of key terms relevant to the CKA exam:
- Pod
- Deployment
- Service
- Persistent Volume (PV)
- Persistent Volume Claim (PVC)
- Namespace
- RBAC (Role-Based Access Control)
- Ingress
- kubectl
- etcd