Thursday, May 20, 2021

Kubernetes real- time interview questions

1. how you do setup Kubernetes cluster
2. what are the components in master node
3. what are the component in slave
4. what is pod
5. what is replicaset object
6. what is deployment object
7. what is service object
8. what is difference between deployment and service
9. if pod exceed memory what error will get
10. what is namespace
11. how to communicate from one namespace pod to another namespace pod
12. what is init contianer
13. what is difference between pod and container
14. how many containers can ran i single pod
15. what is secret object
16. what is difference between secret vs configmaps
17. what is daemonset
18. what is scheduler
19. how to run a pod on a particular node
20. what is persistence volume and persistence volume claim
21. what is ambassador container
22. how many service types we have in Kubernetes
23. what is default service type
24. what is difference between ingress and load balancer
25. how to schedule pod in Kubernetes
26. how many masters are there in your cluster
27. what is controller manager
28. what is kubeproxy will do
29. what is controller manager will do
30. what is purpose of api server

31. how to troubleshoot if pod is not running
32. how to scale your pods though the command
33. how to rollback previous version
34. Kubernetes upgrade from one version to another version if certification will expire
35. etcd back and restore how to create a new Kubernetes cluster
36. recent issue in Kubernetes
37. node affinity and pod affinity
38. application has domain external communication how to validate your domain from ingress
39. how do you know about in NACL
40. pod security policy for your container
41. how to add new nodes in cluster
42. what is node port range
spinnaker
helm chart
argocd
eks
kops
kubeadm
EphemeralContainers
aws
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https://kubernetes.io/docs/concepts/services-networking/

https://kubernetes.io/docs/reference/kubernetes-api/workloads-resources/pod-v1/
https://kubernetes.io/blog/2015/06/the-distributed-system-toolkit-patterns/

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