🚀 Kubernetes Interview Questions.

📌Basic Questions

1. What is Kubernetes, and why is it important?

2. What is the difference between Docker Swarm and Kubernetes?

3. How does Kubernetes handle network communication between containers?

4. How does Kubernetes scale applications?

5. What is a Deployment, and how is it different from a ReplicaSet?

6. What is a rolling update in Kubernetes?

7. How does Kubernetes handle network security and access control?

8. What is a Namespace in Kubernetes? What happens if no namespace is specified?

9. How does Ingress help in Kubernetes?

10. What are different types of services in Kubernetes?

11. What is self-healing in Kubernetes?

12. How does Kubernetes handle storage management for containers?

13. How does a NodePort service work?

14. What is a multi-node vs. single-node cluster in Kubernetes?

15. What is the difference between create and apply in Kubernetes?

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📌Scenario-Based Questions

16. Your application is experiencing high traffic. How will you scale it in Kubernetes?

17. A Pod in your cluster keeps crashing. How will you troubleshoot the issue?

18. You need to deploy a highly available application. How will you do it in Kubernetes?

19. Your application needs external access. Which Kubernetes service type will you use?

20. A new version of your app has a bug after deployment. How will you roll back safely?

21. Your organization wants to restrict pod-to-pod communication for security. How will you do this?

22. A team member accidentally deleted a deployment. How can you restore it quickly?

23. How do you monitor the health of your pods and nodes in Kubernetes?

24. You need to ensure zero downtime during application updates. How will you achieve it?

25. Your Kubernetes cluster is running out of disk space. How will you manage storage effectively?