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Becoming KCNA Certified

You're reading from   Becoming KCNA Certified Build a strong foundation in cloud native and Kubernetes and pass the KCNA exam with ease

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781804613399
Length 306 pages
Edition 1st Edition
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Author (1):
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Dmitry Galkin Dmitry Galkin
Author Profile Icon Dmitry Galkin
Dmitry Galkin
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Table of Contents (22) Chapters Close

Preface 1. Part 1: The Cloud Era
2. Chapter 1: From Cloud to Cloud Native and Kubernetes FREE CHAPTER 3. Chapter 2: Overview of CNCF and Kubernetes Certifications 4. Part 2: Performing Container Orchestration
5. Chapter 3: Getting Started with Containers 6. Chapter 4: Exploring Container Runtimes, Interfaces, and Service Meshes 7. Part 3: Learning Kubernetes Fundamentals
8. Chapter 5: Orchestrating Containers with Kubernetes 9. Chapter 6: Deploying and Scaling Applications with Kubernetes 10. Chapter 7: Application Placement and Debugging with Kubernetes 11. Chapter 8: Following Kubernetes Best Practices 12. Part 4: Exploring Cloud Native
13. Chapter 9: Understanding Cloud Native Architectures 14. Chapter 10: Implementing Telemetry and Observability in the Cloud 15. Chapter 11: Automating Cloud Native Application Delivery 16. Part 5: KCNA Exam and Next Steps
17. Chapter 12: Practicing for the KCNA Exam with Mock Papers 18. Chapter 13: The Road Ahead 19. Assessments 20. Index 21. Other Books You May Enjoy

OSS and open standards

If you have ever worked in any IT position, there is a high chance that you’ve come across the term open source software (OSS), know what it means, and very likely already used some.

What is OSS?

OSS is when the source code of the software is publicly accessible and anyone can study, modify, and distribute it for any purpose.

Software cannot be considered open source simply because it can easily be found on the internet or can be downloaded from the darknet. Software is open source when it is released under one of the open source licenses, such as Apache 2.0 or GNU General Public License v3. Those licenses grant users the right to make modifications to the source code or even use it for commercial purposes. That’s right – you can use OSS to build new software and sell it without paying any license fees to anyone. Alternatively, you can modify existing OSS, add new features, and sell it or offer related support services.

While...

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