The Certified Kubernetes Administrator (CKA) program provides assurance that CKAs have the skills, knowledge, and competency to perform the responsibilities of Kubernetes administrators.

Understand storage classes, persistent volumes Understand volume mode, access modes and reclaim policies for volumes Understand persistent volume claims primitive Know how to configure applications with persistent storage

Evaluate cluster and node logging Understand how to monitor applications Manage container stdout & stderr logs Troubleshoot application failure Troubleshoot cluster component failure Troubleshoot networking

Understand deployments and how to perform rolling update and rollbacks Use ConfigMaps and Secrets to configure applications Know how to scale applications Understand the primitives used to create robust, self-healing, application deployments Understand how resource limits can affect Pod scheduling Awareness of manifest management and common templating tools

Manage role based access control (RBAC) Use Kubeadm to install a basic cluster Manage a highly-available Kubernetes cluster Provision underlying infrastructure to deploy a Kubernetes cluster Perform a version upgrade on a Kubernetes cluster using Kubeadm Implement etcd backup and restore

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