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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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Lock Free Chapter
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 problem-solving frameworks

Welcome to the hot seat. By this point in your interview journey, you’ve demonstrated your foundational knowledge. Now, the hiring manager wants to see how you handle things when they break. This chapter isn’t just about memorizing error codes; it’s about building a mental framework to diagnose and solve real-world Kubernetes problems under pressure. We’ll tackle the common, tricky, and advanced scenarios that separate a good engineer from a great one. Let’s dive in.

Foundational diagnostics

In this section, we’ll break down the Kubernetes issues you’re almost certain to face, both in interviews and in real-world on-call. We’ll cover why Pods get stuck in the Pending state, how to approach CrashLoopBackOff issues systematically, and what to check when your application can’t pull its container image. By mastering these scenarios, you’ll build confidence in your diagnostics...

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Cracking the Kubernetes Interview
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