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Last updated Jan 3, 2021
As part of my goal to obtain the Certified Kubernetes Administrator (CKA) certification, I went through the Kubernetes documentation to find the specific links that map to the domain knowledge objectives for the v1.19 exam.
Cluster Architecture, Installation & Configuration – 25%
- Manage role based access control (RBAC)
- Use Kubeadm to install a basic cluster | Blogs: Control Plane Node | Node
- 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 | Blog Post
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 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
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 policies for volumes
- Understand persistent volume claims primitive
- Know how to configure applications with persistent storage
Troubleshooting – 30%
Brandon Willmott 