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Me

  • Alex Wise
  • DevOps Engineer at Flexential Professional Svcs (Applied Trust)
  • SFS Captain

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So You Wanna Get Kubernetes Certified?

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Well, you have a couple options...

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Who writes this exam anyway?

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The CNCF


  • Part of the Linux Foundation
  • Operational Control handed over from Google August 2018
  • Incubate and Manage a ton of projects (Prometheus, Jaeger, fluentd...)
  • Exams are very similar format to the LFCS & LFCE
  • LF virtual training generally terrible

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What The Exams Have In Common:

  • $300 for exam and one retake (look for sales)
  • Must renew after 2 years
  • Online Proctor through PSI
  • Updates Quarterly (for new k8s version) w/ new curriculum
  • Time restricted

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The CKA:

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

  • Bootstrapping a multimaster cluster from bare VMs, as well as configuration and troubleshooting
  • 3 hour duration
  • Employing at least 3 holders of an active CKA qualifies you to be a Certified Kubernetes Service Partner, and is a pipeline for sales

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The Requirements

CKA

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The CKAD:

The Certified Kubernetes Application Developer exam certifies that users can design, build, configure, and expose cloud native applications for Kubernetes. A Certified Kubernetes Application Developer can define application resources and use core primitives to build, monitor, and troubleshoot scalable applications and tools in Kubernetes.

  • "design, build, configure, and expose" (a troubleshoot) Kubernetes apps
  • 2 hour duration
  • Does not qualify for CKSP (Not a Platform Mgmt Cert)

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The Requirements

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Did you catch it?

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CKA (3 hours):

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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CKAD (2 hours):

20% – Pod Design
18% Configuration
13% – Core Concepts
13% – Services & Networking
10% Multi-Container Pods
18% – Observability
8% – State Persistence

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Application Lifecycle Management 8%
20% – Pod Design
Installation, Configuration & Validation 12%
18% Configuration
Core Concepts 19%
13% – Core Concepts
Networking 11%
13% – Services & Networking
Scheduling 5%
10% Multi-Container Pods
Security 12%
Cluster Maintenance 11%
Logging / Monitoring 5%
18% – Observability
Storage 7%
8% – State Persistence
Troubleshooting 10%

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The CKAD curriculum makes up ~2/3 of the CKA

https://github.com/cncf/curriculum

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Exam Makeup:

CKAD: ~20 questions
CKA: ~30+ questions

Questions range from 2% to 9%
Floating passing mark
Chrome Only

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They even have Slack channels for them:

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Thank you for your time and Happy Kubeing!

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