Book Image

Becoming KCNA Certified

By : Dmitry Galkin
Book Image

Becoming KCNA Certified

By: Dmitry Galkin

Overview of this book

The job market related to the cloud and cloud-native technologies is both growing and becoming increasingly competitive, making certifications like KCNA a great way to stand out from the crowd and learn about the latest advancements in cloud technologies. Becoming KCNA Certified doesn't just give you the practical skills needed to deploy and connect applications in Kubernetes, but it also prepares you to pass the Kubernetes and Cloud Native Associate (KCNA) exam on your first attempt. The book starts by introducing you to cloud-native computing, containers, and Kubernetes through practical examples, allowing you to test the theory out for yourself. You'll learn how to configure and provide storage for your Kubernetes-managed applications and explore the principles of modern cloud-native architecture and application delivery, giving you a well-rounded view of the subject. Once you've been through the theoretical and practical aspects of the book, you'll get the chance to test what you’ve learnt with two mock exams, with explanations of the answers, so you'll be well-prepared to appear for the KCNA exam. By the end of this Kubernetes book, you'll have everything you need to pass the KCNA exam and forge a career in Kubernetes and cloud-native computing.
Table of Contents (22 chapters)
1
Part 1: The Cloud Era
4
Part 2: Performing Container Orchestration
7
Part 3: Learning Kubernetes Fundamentals
12
Part 4: Exploring Cloud Native
16
Part 5: KCNA Exam and Next Steps

Deploying and Scaling Applications with Kubernetes

In this chapter, we’ll continue exploring Kubernetes with its rich functionality and ecosystem. We’ll see which other Kubernetes resources exist and what their purpose is, how to implement the self-healing and scaling of applications with Kubernetes, how to use Kubernetes service discovery, and how to run stateful workloads with Kubernetes. We will also perform several exercises with the minikube Kubernetes we’ve installed in the previous chapter (in case you’ve skipped it – check the last section of Chapter 5).

This is going to be one of the densest and most important chapters, so make sure to answer all the questions at the end and complete all practical assignments firsthand before moving further on. If you find it hard to understand some parts, read them twice and refer to the Further reading section.

We’re about to cover the following exciting topics:

  • Deployments, ReplicaSets...