Certified Kubernetes Administrator
IntermediateCloudPaid
The core Kubernetes administration certification. Validates ability to install, configure, and manage production-grade Kubernetes clusters. Hands-on, performance-based exam in a live Kubernetes environment. Widely required for DevOps and platform engineering roles. Part of the CNCF Kubestronaut program.
What you'll prove
- Install and configure Kubernetes cluster components from scratch
- Manage cluster networking including CNI plugins and network policies
- Configure and manage storage including PersistentVolumes and StorageClasses
- Troubleshoot and debug cluster and application issues
- Manage workloads including Deployments, DaemonSets, and StatefulSets
- Implement cluster security including RBAC, NetworkPolicies, and pod security
- Perform cluster upgrades and backup/restore of etcd
Frequently asked
How much does CKA cost?
$445 USD as of February 2025. Includes one free retake. Frequent discounts available — check the Linux Foundation site.
Is CKA hard?
Yes. The performance-based format under time pressure is challenging. Most candidates recommend 2-3 months of hands-on practice with real clusters before attempting.
Where this fits