Preparing the CKA

CKA

This part contains many exercises that will help you preparing for the CKA (Certified Kubernetes Administrator) certification. It is organized into the following sections, which you can access directly by clicking on the corresponding card. If you want to get the most out of this preparation, follow the sections in order, starting with the presentation of the Kubernetes certifications.


Certifications
Get an overview of the existing Kubernetes certifications and what you need to learn for the CKA.
 Create a cluster
Build a 3-node kubeadm cluster from scratch.
 image/svg+xml Workloads
Create and manage Pods, Deployments, and other workload resources.
 image/svg+xml Scheduling Pods
Learn Pod placement strategies using labels, taints, affinities and more.
 image/svg+xml Networking
Understand Pod to Pod communication, Service discovery, Ingress resources.
 image/svg+xml Storage
Understand StorageClass, PV and PVCs stateful applications.
 image/svg+xml Security
Create Network Policies and RBAC rules.
 Troubleshooting
Troubleshoot clusters components, nodes, network and applications.
 Operations
Perform cluster upgrade and backup/restore of etcd.
 Challenges
Break your cluster and learn how to fix it.