CKA (Certified Kubernetes Administrator)
Introduction
CKA: Kubernetes 관리자의 책임을 수행할 수 있는 기술, 지식 및 역량을 갖추고 있음을 보증하는 자격증

CKA curriculum에서 CKA가 포함하는 내용들을 아래와 같이 확인할 수 있다.
v1.29
기준Domain | Weight | Key Points |
---|---|---|
Cluster Architecture, Installation & Configuration |
25% | ✅ Manage role based access control (RBAC) ✅ Use Kubeadm to install a basic cluster ✅ Manage a highly-available Kubernetes cluster ✅ Provision underlying infrascruture to deploy a Kubernetes cluster ✅ Implement etcd backup and restore |
Workloads & Scheduling | 15% | ✅ Understand deployments and how to perform rolling update and rollbacks ✅ Use ConfigMaps and Secrets to configure applications ✅ Know how to scale applications ✅ Understand how resource limits can effect Pod scheduling ✅ Awareness of manifest management and common templating tools |
Services & Networking | 20% | ✅ Understand host networking configuration on the cluster nodes ✅ Understand connectivity between Pods ✅ Understand ClusterIP, NodePort, LoadBalancer service types and endpoints ✅ Know how to use Ingress controllers and Ingress resources ✅ Know how to configure and use CoreDNS ✅ Choose an appropriate container network interface plugin |
Storage | 10% | ✅ Understand storage classes, persistent volumes ✅ Understand volume mode, access modes and reclaim polices for volumes ✅ Understand persistent volume claims primitive ✅ Know how to configure applications with persistent storage |
Troubleshooting | 30% | ✅ Evaluate cluster and node logging ✅ Understand how to monitor applications ✅ Manage container stdout & stderr logs ✅ Troubleshoot application failure ✅ Troubleshoot cluster component failure ✅ Troubleshoot networking |