Certified Kubernetes Administrator (CKA) Cert Prep: The Basics

Learn about the topics covered on the Certified Kubernetes Administrator (CKA) certification exam.

Introduction

• Get certified in Kubernetes and stand out professionally
• What you need to know

1. Storage

• Understand storage classes and 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

2. Troubleshooting

• Evaluate cluster and node logging
• Understand how to monitor applications
• Manage container STDOUT and STDERR logs
• Troubleshoot application failure
• Troubleshoot cluster component failure
• Troubleshoot networking

3. Workloads and Scheduling

• Understand deployments and how to perform rolling updates 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

4. Cluster Architecture, Installation, and Configuration

• Manage role-based access control (RBAC)
• Manage a highly-available Kubernetes cluster
• Perform a version upgrade on a Kubernetes cluster using kubeadm
• Implement etcd back up and restore

5. Services and Networking

• Understand connectivity between Pods
• Understand ClusterIP, NodePort, and LoadBalancer service types and endpoints
• Know how to use Ingress controllers and Ingress resources

Conclusion

• Next steps