CKA Exam Study Guide (Certified Kubernetes Administrator)

CKA - Certified Kubernetes Administrator Certificate Exam Study Guide

Preparing for the CKA Certified Kubernetes Administrator exam? Don't know where to start? This post is the CKA Kubernetes Administrator Certification Exam Preparation Study Guide (with links to each exam objective).

I have curated a list of articles from the Kubernetes documentation and other blogs on the web for each objective of the CKA Certification exam. Please share the post within your circles so it helps them to prepare for the exam.

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CKA Kubernetes Administrator Online Course

Kubernetes Administrator Practice Test/Guide

CKA Kubernetes Administrator Other Materials

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CKA Curriculum Topics

Scheduling – 5%

Use label selectors to schedule Pods

Assigning Pods to Nodes

Scheduling pods on nodes in Kubernetes using labels

Understand the role of DaemonSets

Learn about DaemonSets

Understand how resource limits can affect Pod scheduling

How Pods with resource limits are run

Learn how resource limits can affect pod scheduling

Understand how to run multiple schedulers and how to configure Pods to use them

Configure Multiple Schedulers

Advanced Scheduling in Kubernetes

Manually schedule a pod without a scheduler

Creating static Pods

Display scheduler events

Scheduling – Display scheduler events

Know how to configure the Kubernetes scheduler

Configure Multiple Schedulers

Logging/Monitoring – 5%

Understand how to monitor all cluster components

Tools for Monitoring Resources

Monitoring in the Kubernetes era

Understand how to monitor applications

Logging and Monitoring applications

Manage cluster component logs

Cluster-level logging architectures

Looking at logs

Manage application logs

Managing logs

CKA

Amazon link (affiliate)

Application Lifecycle Management – 8%

Understand deployments and how to perform rolling update and rollbacks

More about Deployments

Performing a Rolling Update

Rolling Back a Deployment

Know various ways to configure applications

Configuration Best Practices

Know how to scale applications

Scaling your application

Running Multiple Instances of Your App

Understand the primitives necessary to create a self-healing application

True reliability requires self-healing nodes & managing infrastructure

Self-Healing

Cluster Maintenance – 11%

Understand the Kubernetes cluster upgrade process

Upgrading kubeadm clusters

kubeadm upgrade

Upgrading a cluster

Facilitate operating system upgrades

Safely Drain a Node while Respecting the PodDisruptionBudget

Implement backup and restore methodologies

Backing up an etcd cluster

Restoring an etcd cluster

Security – 12%

Know how to configure authentication and authorization

Overview of authenticating

Using RBAC Authorization

https://kubernetes.io/docs/reference/access-authn-authz/rbac/

Understand Kubernetes security primitives

Security

Pod Security Policies

Know how to configure network policies

Network Policies

Declare Network Policy

Kubernetes network policy recipes

Create and manage TLS certificates for cluster components

Manage TLS Certificates in a Cluster

Work with images securely

Using a Private Registry

Specifying ImagePullSecrets on a Pod

Define security contexts

Configure a Security Context for a Pod or Container

Secure persistent key-value store

Securing etcd clusters

Storage – 7%

Understand persistent volumes and know how to create them

Persistent Volumes

Understand access modes for volumes

Access Modes

Understand persistent volume claims primitive

PersistentVolumeClaims

Understand Kubernetes storage objects

Types of Volumes

Storage Object in Use Protection

Know how to configure applications with persistent storage

Configure a Pod to Use a PersistentVolume for Storage

Troubleshooting – 10%

Troubleshoot application failure

Troubleshoot Applications

Application Introspection and Debugging

Troubleshoot control plane failure

Troubleshoot Clusters

Troubleshoot worker node failure

CKA Self-Study Mod 5

Troubleshoot networking

Troubleshooting Kubernetes Networking Issues

Core Concepts – 19%

Networking – 11%

Installation, Configuration & Validation – 12%

This brings us to the end of Certified Kubernetes Administrator (CKA) Exam Preparation Study Guide

What do you think? Let me know in the comments section if I have missed out on anything. Also, I love to hear from you about how your preparation is going on!

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