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Certified Kubernetes Administrator(CKA) Notes

Outline

  • 25% - Cluster Architecture, Installation & Configuration
    • 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
  • 15% - Workloads & Scheduling
    • 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
  • 20% - Services & Networking
    • 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
  • 10% - Storage
    • 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
  • 30% - Troubleshooting
    • Evaluate cluster and node logging
    • Understand how to monitor applications
    • Manage container stdout & stderr logs
    • Troubleshoot application failure
    • Troubleshoot cluster component failure
    • Troubleshoot networking

https://github.com/cncf/curriculum/

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