Certified Kubernetes Administrator (CKA)



The Certified Kubernetes Administrator (CKA) program was created by The Linux Foundation and the Cloud Native Computing Foundation (CNCF) as a part of their ongoing effort to help develop the Kubernetes ecosystem. As one of the highest velocity open source projects, Kubernetes use is exploding.
There are no pre-requisites for this exam.

Domains & Competencies

The CKA Certification focuses on the skills required to be a successful Kubernetes Administrator in industry today.
The CKA Certification exam includes these general domains and their weights on the exam:

Application Lifecycle Management – 8%
Installation, Configuration & Validation – 12%
Core Concepts – 19%
Networking – 11%
Scheduling – 5%
Security – 12%
Cluster Maintenance – 11%
Logging / Monitoring – 5%
Storage – 7%
Troubleshooting – 10%

Application Lifecycle Management – 8%

Understand deployments and how to perform rolling update and rollbacks
Know various ways to configure applications
Know how to scale applications
Understand the primitives necessary to create a self-healing application

Installation, Configuration & Validation – 12%

Design a Kubernetes Cluster
Install Kubernetes Masters and Nodes
Configure secure cluster communications
Configure a highly-available Kubernetes cluster
Know where to get the Kubernetes release binaries
Provision underlying infrastructure to deploy a Kubernetes cluster
Choose a network solution
Choose your Kubernetes infrastructure configuration
Run end-to-end tests on your cluster
Analyze end-to-end test results
Run Node end-to-end Tests
Install and use kubeadm to install, configure, and manage Kubernetes clusters

Core Concepts – 19%

Understand the Kubernetes API primitives
Understand the Kubernetes cluster architecture
Understand Services and other network primitives

Networking – 11%

Understand the networking configuration on the cluster nodes
Understand Pod networking concepts
Understand Service Networking
Deploy and configure network load balancer
Know how to use Ingress rules
Know how to configure and use the cluster DNS
Understand CNI

Scheduling – 5%

Use label selectors to schedule Pods
Understand the role of DaemonSets
Understand how resource limits can affect Pod scheduling
Understand how to run multiple schedulers and how to configure Pods to use them
Manually schedule a pod without a scheduler
Display scheduler events

Security – 12%

Know how to configure authentication and authorization
Understand Kubernetes security primitives
Know how to configure network policies
Create and manage TLS certificates for cluster components
Work with images securely
Define security contexts
Secure persistent key value store

Cluster Maintenance – 11%

Understand Kubernetes cluster upgrade process
Facilitate operating system upgrades
Implement backup and restore methodologies

Logging / Monitoring – 5%

Understand how to monitor all cluster components
Understand how to monitor applications
Manage cluster component logs
Manage application logs

Storage – 7%

Understand persistent volumes and know how to create them
Understand access modes for volumes
Understand persistent volume claims primitive
Understand Kubernetes storage objects
Know how to configure applications with persistent storage

Troubleshooting – 10%

Troubleshoot application failure
Troubleshoot control plane failure
Troubleshoot worker node failure
Troubleshoot networking

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