You're reading from Cracking the Kubernetes Interview Discover expert tips and best practices to ace your Kubernetes technical interviews

Product type Paperback

Published in Oct 2025

Publisher Packt

ISBN-13 9781835460030

Length 560 pages

Edition 1st Edition

Tools

Kubernetes

Concepts

DevOps

Authors (2):

Viktor Vedmich

Alexander Dovnar

View More author details

Table of Contents (27) Chapters

Preface

1. Part 1: Introduction to Kubernetes

2. Understanding Kubernetes from Containers to Orchestration FREE CHAPTER

3. Kubernetes Key Components and Their Functions

4. Part 2: Schedulers, Workloads, and Scaling

5. Exploring Kubernetes Basics

6. Principles of Scaling: Horizontal vs Vertical

7. Autoscaling in Action

8. Part 3: Networking, Services, and Security

9. Essentials of Kubernetes Networking

10. Kubernetes Network Architecture: Services and Ingresses

11. Storage: Persistence and CSI Drivers

12. Security Best Practices in Kubernetes and RBAC

13. Part 4: Deployment, Application Management, and GitOps

14. Real-World Deployment Scenarios and Continuous Deployment

15. Understanding GitOps: Principles and Practices

16. Part 5: Reliability, Monitoring, and Maintenance

17. Custom Resource Definitions and Operators

18. Ensuring High Availability and Reliability

19. Monitoring Best Practices

20. Backup, Maintenance, and Disaster Recovery in Kubernetes

21. Part 6: Troubleshooting and Best Practices

22. Real-World Troubleshooting Scenarios

23. Common Mistakes and How to Avoid Them

24. Interview Stories from Authors

25. Other Books You May Enjoy

26. Index

What is the kube-proxy component?

kube-proxy is a critical component in a Kubernetes cluster, responsible for managing network connectivity to and from Pods. It operates at the network layer (Layer 4) and performs essential functions to enable communication between Pods within the cluster and between external clients and Services.

What is kube-proxy strictly responsible for?

kube-proxy primarily provides a Service abstraction within the Kubernetes cluster. Services in Kubernetes define sets of Pods and a policy by which to access them (Services abstraction). Also, it’s responsible for the following:

It supports different types of Services, including the following:
- ClusterIP: Internal-only Service accessible within the cluster
- NodePort: Exposes a Service on each node’s IP at a static port
- LoadBalancer: Exposes a Service externally using a cloud provider’s load balancer
- ExternalName: Maps a Service to a...