OpenShift Interview Questions expected in 2025 (Updated List)

Expected OpenShift interview questions in 2025 (updated list)

1. What are the core elements of the OpenShift v4 infrastructure?
2. Explain the architecture of OpenShift v4.
3. What is the role of etcd cluster in OpenShift v4?
4. How to protect etcd cluster in OpenShift?
5. What is the difference between master and worker nodes in OpenShift v4?
6. How to extend an OpenShift cluster?
7. What are the prerequisites for installing OpenShift v4?
8. How does OpenShift v4 handle networking?
9. What is the purpose of OpenShift SDN?
10. Explain the use of Operator Framework in OpenShift v4.
11. How to configure persistent storage in OpenShift v4?
12. What is the difference between internal storage and external storage in OpenShift?
13. How to implement HA (high availability) in OpenShift v4?
14. Explain the role of portal controllers in OpenShift.
15. How to monitor OpenShift v4 cluster?
16. What tools can be used to log into OpenShift?
17. What is the purpose of a Machine Configuration Operator (MCO)?
18. How to patch OpenShift v4 nodes?
19. Explain the role of the boot node in an OpenShift v4 installation.
20. How does OpenShift manage cluster upgrades?
21. What is the cluster operator in OpenShift v4?
22. How does OpenShift ensure cluster health?
23. What is the role of Prometheus in OpenShift v4?
24. How to use Grafana for monitoring in OpenShift?
25. How does OpenShift handle multiple tenants?
26. What is the difference between namespaces and projects in OpenShift?
27. How to implement network policy in OpenShift?
28. What is OpenShift’s load balancing method?
29. Explain how DNS works in OpenShift v4.
30. What is the default storage class in OpenShift?
31. How to set storage class in OpenShift?
32. What is OpenShift’s machine API?
33. How to set up automatic scaling in OpenShift?
34. How does OpenShift manage secrets and ConfigMap?
35. What is the Cluster Version Operator (CVO) used for?
36. How to back up an OpenShift cluster?
37. How to restore OpenShift cluster?
38. What is the role of Kubelet in OpenShift v4?
39. How does OpenShift v4 integrate with external identity providers?
40. What common authentication methods does OpenShift support?
41. How to implement RBAC in OpenShift?
42. Explain the role of service accounts in OpenShift.
43. How to set node selector in OpenShift?
44. What are the tolerances and stigmas in OpenShift?
45. How does OpenShift handle Pod scheduling?
46. What are the uses of affinity and anti-affinity rules in OpenShift?
47. Explain the role of the OpenShift API server.
48. What is the default security policy in OpenShift v4?
49. How to secure OpenShift API?
50. How does OpenShift manage cluster credentials?
51. What is the role of the image registry in OpenShift?
52. How to manage images in OpenShift?
53. What is the difference between build and deployment in OpenShift?
54. How does OpenShift manage application updates?
55. What is StatefulSet in OpenShift?
56. Explain the concept of DeploymentConfig in OpenShift.
57. How to perform disaster recovery in OpenShift v4?
58. What are the key logs to check during troubleshooting in OpenShift?
59. How to set up logging in OpenShift?
60. What is OpenShift’s CI/CD pipeline approach?
61. How does OpenShift integrate with Jenkins?
62. Explain what OpenShift router does.
63. How to set up a custom domain in OpenShift?
64. What are the preset logging options in OpenShift?
65. How to solve network problems in OpenShift?
66. Explain the use of OpenShift Service Mesh.
67. How to manage node upgrades in OpenShift v4?
68. What is the purpose of Pod interrupt budgeting in OpenShift?
69. How does OpenShift handle rolling updates?
70. How to extend applications in OpenShift?
71. What is the use of horizontal Pod Autoscaler in OpenShift?
72. How does OpenShift handle cluster monitoring alerts?
73. How to integrate external monitoring tools with OpenShift?
74. What is the importance of quotas in OpenShift?
75. How to manage resource limits in OpenShift?
76. How does OpenShift handle application logs?
77. Explain the concept of operators in OpenShift.
78. How does OpenShift implement container execution time security?
79. How to manage node roles in OpenShift?
80. What is the purpose of node affinity in OpenShift?
81. How to solve Pod performance issues in OpenShift?
82. What are the preset web plugins available in OpenShift?
83. How to set up OpenShift for multi-cloud deployment?
84. What is the role of a cluster network operator?
85. How does OpenShift manage API requests?
86. How to deal with failed cluster upgrade in OpenShift?
87. What are the best practices for OpenShift cluster security?
88. How does OpenShift integrate with Helm charts?
89. How do I manage third-party applications in OpenShift?
90. What are OpenShift Pipelines?
91. How to set up node pool in OpenShift?
92. What does the OpenShift web console do?
93. How to set up alerts in OpenShift?
94. What are the default admission controllers in OpenShift?
95. How to handle node failure in OpenShift?
96. What are the steps for cluster capacity planning in OpenShift?
97. How to set up OpenShift for a hybrid cloud environment?
98. How does OpenShift manage lifecycle hooks?
99. What are the common problems during OpenShift installation?
100. How to resolve cluster performance issues in OpenShift v4?