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Cracking the Kubernetes Interview

Cracking the Kubernetes Interview

By : Viktor Vedmich, Alexander Dovnar
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Cracking the Kubernetes Interview

Cracking the Kubernetes Interview

By: Viktor Vedmich, Alexander Dovnar

Overview of this book

In the high-stakes world of cloud-native technologies, Kubernetes technical interviews are notoriously challenging, and theory-heavy resources leave candidates unprepared for real-world scenarios. This guide by Viktor Vedmich and Alexander Dovnar, two seasoned professionals with decades of combined experience in DevOps, AWS, and Kubernetes architecture, bridges that gap to help you unlock actionable strategies and insights to excel in even the toughest interviews. Beginning with core concepts such as Pods and Services, the book guides you through scaling, networking, GitOps, and deployment strategies. You’ll explore advanced topics, including security, observability, monitoring, and troubleshooting, all framed in the context of real-world interviews. Each chapter includes practical scenarios and authentic questions that test both your understanding and problem-solving skills. Rather than relying on rote memorization, this guide helps you develop the depth and confidence expected of top-tier Kubernetes professionals. By the end of this hands-on journey, you'll be ready to take on roles from junior DevOps engineer to senior architect, equipped with the practical expertise needed to stand out in today’s competitive hiring process.
Table of Contents (27 chapters)
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1
Part 1: Introduction to Kubernetes
4
Part 2: Schedulers, Workloads, and Scaling
8
Part 3: Networking, Services, and Security
13
Part 4: Deployment, Application Management, and GitOps
16
Part 5: Reliability, Monitoring, and Maintenance
21
Part 6: Troubleshooting and Best Practices
25
Other Books You May Enjoy
26
Index

Kubernetes Network Architecture: Services and Ingresses

Welcome to Chapter 7 of our journey through Kubernetes. In this chapter, we will delve deep into the intricate network of Kubernetes Services and Ingresses, exploring how traffic flows inside and around the cluster. As Kubernetes continues to revolutionize how we build, deploy, and scale applications, understanding how services and Ingresses facilitate communication and routing within the cluster is essential for mastering the platform’s networking capabilities.

This chapter will explore Kubernetes Services, which act as an abstraction layer for accessing pods and enable seamless communication between application components. We’ll delve into the various types of services, including ClusterIP, NodePort, and LoadBalancer, and examine their use cases, advantages, and implementation details.

Specifically, we will cover the following main topics:

  • What are the main Kubernetes service types and their...
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