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The KCNA Book

You're reading from The KCNA Book

Product type Book

Published in Jun 2023

Publisher Packt

ISBN-13 9781835080399

Pages 197 pages

Edition 1st Edition

Languages

Concepts

Containerization

Author (1):

Nigel Poulton

Table of Contents (12) Chapters

1. Getting started

2. 1: Setting the scene

3. 2: Cloud native architecture

4. 3: Container orchestration

5. 4: Kubernetes Fundamentals

6. 5: Cloud native application delivery

7. 6: Cloud native observability

8. The exam

9. 8: Sample test

10. What next

Appendix A: Chapter quiz answers

1. Appendix B: Sample Test answers

Chapter 4: Kubernetes fundamentals

Question 1, answer D: Kubernetes was released in 2014.
Question 2, answers A, B, D: Kubernetes is a container orchestrator and can add self-healing, autoscaling, and zero-downtime rolling-updates to containerised applications. Image scanning is usually provided by registries or CI/CD pipelines.
Question 3, answers A, B, D: Kubernetes natively orchestrates containers. KubeVirt extends it to be able to orchestrate virtual machines, whereas OpenFaaS and Knative extend it to be able to orchestrate serverless functions.
Question 4, answer B: KubeVirt enables Kubernetes to manage virtual machine workloads inside of pods. Knative and OpenFaaS are for serverless, whereas Cilium is a network plugin.
Question 5, answers A, D: OpenFaaS and Knative extend Kubernetes for serverless function workload orchestration. Cilium is a network plug, and KubeVirt enables virtual machine workloads on Kubernetes.
Question 6, answer B: Linkerd provides service...

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Authors (1)

Nigel Poulton

Nigel Poulton is a cloud-native subject matter expert who spends his life creating books and training videos on the latest cloud technologies. He is the author of best-selling books on Docker and Kubernetes and the most popular online training videos on the same topic. He is a Docker Captain. Prior to this, Nigel has held various infrastructure roles for large enterprises. When he is not playing with technology, he is dreaming about it. When he is not dreaming about it, he is reading and watching sci-fi. He wishes he lived in the future so he could explore spacetime, the universe, and tons of other mind-blowing stuff. He likes cars, football (soccer), and food. He has a fabulous wife and three children.

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