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Learning Kubernetes with Diagrams (v1.35)

This course is designed so that you can learn many parts of Kubernetes (☸) through illustrations. 🧭 In particular, it expands upon the proven content of the bestseller 'Kubernetes/Docker for Building Container Infrastructure Environments' to help you study Kubernetes itself in greater depth. 💯 Additionally, practical content is periodically added to the 'Supplementary Lessons.' 👉 Please be sure to compare this with other courses :)

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[Info] New Kubernetes exam automatic recertification (Obtaining CKS now renews CKA as well)

Hello

Recently, the certification renewal process has changed so that obtaining the CKS now renews your CKA.

I believe some clarification is needed regarding this matter, so I have organized the details and am providing a general announcement.

https://www.cncf.io/blog/2026/06/17/expanding-care-passing-cks-can-now-extend-your-cka-certification/


Q: Upon passing CKS?

A: CKA is also automatically extended; when you obtain or renew the CKS (Security), the expiration date of your CKA (Administrator) certification will be extended to match the CKS.


Q: Does this not apply if the existing CKA has already expired?

A: No. You can take the CKS exam immediately without having to retake the CKA, and upon passing, even your expired CKA will be extended as a set.


Q: Can I still benefit from this even if I have never obtained a CKA?

A: No. You must have obtained the CKA at least once. As before, you must first obtain the CKA to be eligible to take the CKS exam.


Q: Will the existing CARE (Certification Advancement & Recertification Experience) be maintained?

A: Yes, it remains the case that obtaining CKS will also certify you for KCSA, and certifying for CKA or CKAD will certify you for KCNA. Therefore, if you were previously a "Kubestronaut" (i.e., if you held all 5 certifications)

You can re-acquire the "Kubestronaut" certification by re-certifying only two (CKS, CKAD) as follows.

CKS Exam/Renewal
   ├─→ CKS   (Self)
   ├─→ CKA   (New rule, June 18th~)
   └─→ KCSA  (Existing rule)

CKAD Exam/Renewal
   ├─→ CKAD  (Self)
   └─→ KCNA  (Existing rule)

[Figure 1] This means that even in this state, you only need to update CKS and CKAD to renew your "Kubestronaut" status.

image.png

I will be back with more helpful content.
Thank you.

(+ If anyone is coming to AppWorld Seoul on Wednesday, I'll see you then!)

Best regards, Hoon Jo.

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