The CKA 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. The exam is online, proctored, performance-based test that requires solving multiple tasks from a command line running Kubernetes.

WHO SHOULD ATTEND

Those who are interested in cloud technologies and want to become Kubernetes administators or engineers.

PREREQUISITES 

None

COURSE OBJECTIVES

The Certified Kubernetes Administrator (CKA) course by the Linux Foundation aims to equip participants with the necessary skills and knowledge to effectively manage Kubernetes clusters. The primary objectives of taking this course include:

1. Gain a comprehensive understanding of Kubernetes.

2. Develop the skills needed to administer Kubernetes clusters effectively.

3. Prepare for the Certified Kubernetes Administrator (CKA) exam, which validates their expertise and proficiency in Kubernetes administration.

CANDIDATES HANDBOOK

https://docs.linuxfoundation.org/tc-docs/certification/lf-handbook2

A Certified Kubernetes Administrator (CKA) will be able to: 

• Demonstrate their ability to do basic installation as well as configuring and managing production-grade Kubernetes clusters.

• Understand key concepts such as Kubernetes networking, storage, security, maintenance, logging and monitoring, application lifecycle, troubleshooting, API object primitives.

• Ability to establish basic use-cases for end users.

1. 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

2. Troubleshooting 30%

Evaluate cluster and node logging

Understand how to monitor applications

Manage container stdout & stderr logs

Troubleshoot application failure

Troubleshoot cluster component failure

Troubleshoot networking

3. 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

4. Cluster Architecture, Installation & Configuration 25%

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

5. 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