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Certified Kubernetes Administrator (CKA)

The Certified Kubernetes Administrator (CKA) program provides assurance that CKAs have the skills, knowledge, and competency to perform the responsibilities of Kubernetes administrators.

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Overview

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%

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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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Exam Details

This exam is an online, proctored, performance-based test that requires solving multiple issues from a command line running Kubernetes. Candidates have 3 hours to complete the tasks.

The exam is based on Kubernetes v1.15

Policies & Resources

Please review the Candidate Handbook, Curriculum Overview and Exam Tips along with other recommended resources below.

At a Glance

Exam Delivery

Online

Duration of Exam

3 Hours

Certification Valid

3 Years

Software Version:

Kubernetes v1.15

Includes

  • 12 Month Exam Eligibility
  • Free Exam Retake
  • PDF Certificate

Experience Level

   Intermediate

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