Certified Kubernetes Administrator v1.21
Contents
Core Concepts (13%)
Configuration (18%)
- Understand ConfigMaps:
kubectl describe configmaps
- Understand SecurityContexts:
securityContext
(Pod) - Define an application's resource requirements
- Create & consume Secrets:
kubectl
create
|get
|describe
- Understand ServiceAccounts
Multi-Container Pods (10%)
- Understand Multi-Container Pod design patters (e.g. ambassador, adapter, sidecar) (Review: https://github.com/dgkanatsios/CKAD-exercises/blob/master/b.multi_container_pods.md)
Pod Design (20%)
- Understand Deployments and how to perform rolling updates:
kubectl rolling-update
- Understand Deployments and how to perform rollbacks:
Kubectl rollout
- Understand Jobs and CronJobs
- Understand how to use Labels, Selector and Annotations:
kubectl label
,kubectl annotate
,NodeSelector
State Persistence (8%)
Observability (18%)
- Understand LivenessProbes and ReadinessProbes
- Understand container logging
- Understand how to monitor applications in Kubernetes
- Understand debugging in Kubernetes
Services & Networking (13%)
See also
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