OpenShift Interview Questions expected in 2025 (Updated List)

OpenShift Interview Questions expected in 2025 (Updated List)

1. What are the core components of OpenShift v4 infrastructure?
2. Explain the architecture of OpenShift v4.
3. What is the role of the etcd cluster in OpenShift v4?
4. How do you secure an etcd cluster in OpenShift?
5. What is the difference between master and worker nodes in OpenShift v4?
6. How do you scale 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 the OpenShift SDN?
10. Explain the use of Operator Framework in OpenShift v4.
11. How do you configure persistent storage in OpenShift v4?
12. What is the difference between internal and external storage in OpenShift?
13. How is HA (High Availability) achieved in OpenShift v4?
14. Explain the role of ingress controllers in OpenShift.
15. How do you monitor an OpenShift v4 cluster?
16. What tools can be used for logging in OpenShift?
17. What is the purpose of the Machine Config Operator (MCO)?
18. How do you patch OpenShift v4 nodes?
19. Explain the role of bootstrap nodes in OpenShift v4 installation.
20. How does OpenShift manage cluster upgrades?
21. What is a cluster operator in OpenShift v4?
22. How does OpenShift ensure the health of the cluster?
23. What is the role of Prometheus in OpenShift v4?
24. How is Grafana used in OpenShift for monitoring?
25. How does OpenShift handle multi-tenancy?
26. What is the difference between a namespace and a project in OpenShift?
27. How do you enforce network policies in OpenShift?
28. What is OpenShift’s approach to load balancing?
29. Explain how DNS works in OpenShift v4.
30. What are the default storage classes in OpenShift?
31. How do you configure storage classes in OpenShift?
32. What is OpenShift’s Machine API?
33. How do you configure auto-scaling in OpenShift?
34. How does OpenShift manage secrets and ConfigMaps?
35. What is the purpose of the Cluster Version Operator (CVO)?
36. How do you back up an OpenShift cluster?
37. How do you restore an OpenShift cluster?
38. What is the role of the Kubelet in OpenShift v4?
39. How does OpenShift v4 integrate with external identity providers?
40. What are the common authentication methods supported by OpenShift
41. How do you implement RBAC in OpenShift?
42. Explain the role of Service Accounts in OpenShift.
43. How do you configure node selectors in OpenShift?
44. What are tolerations and taints in OpenShift?
45. How does OpenShift handle pod scheduling?
46. What is the use of affinity and anti-affinity rules in OpenShift?
47. Explain the role of the OpenShift API Server.
48. What are the default security policies in OpenShift v4?
49. How do you secure the OpenShift API?
50. How does OpenShift manage cluster certificates?
51. What is the role of the Image Registry in OpenShift?
52. How do you manage images in OpenShift?
53. What is the difference between a build and a deployment in OpenShift?
54. How does OpenShift manage updates to applications?
55. What is a StatefulSet in OpenShift, and when do you use it?
56. Explain the concept of DeploymentConfig in OpenShift.
57. How do you perform disaster recovery in OpenShift v4?
58. What are the key logs to check during troubleshooting in OpenShift?
59. How do you configure logging in OpenShift?
60. What is OpenShift’s approach to CI/CD pipelines?
61. How does OpenShift integrate with Jenkins?
62. Explain the role of the OpenShift Router.
63. How do you configure custom domains in OpenShift?
64. What are the default logging options in OpenShift?
65. How do you troubleshoot networking issues in OpenShift?
66. Explain the use of OpenShift Service Mesh.
67. How do you manage node upgrades in OpenShift v4?
68. What is the purpose of a pod disruption budget in OpenShift?
69. How does OpenShift handle rolling updates?
70. How do you scale applications in OpenShift?
71. What is the use of a Horizontal Pod Autoscaler in OpenShift?
72. How does OpenShift handle cluster monitoring alerts?
73. How do you integrate external monitoring tools with OpenShift?
74. What is the importance of quotas in OpenShift?
75. How do you manage resource limits in OpenShift?
76. How does OpenShift handle application logs?
77. Explain the concept of an Operator in OpenShift.
78. What is OpenShift’s approach to container runtime security?
79. How do you manage node roles in OpenShift?
80. What is the purpose of node affinity in OpenShift?
81. How do you troubleshoot pod performance issues in OpenShift?
82. What are the default network plugins available in OpenShift?
83. How do you configure OpenShift for multi-cloud deployments?
84. What is the role of the cluster network operator?
85. How does OpenShift manage API requests?
86. How do you handle failed cluster upgrades in OpenShift?
87. What are the best practices for OpenShift cluster security?
88. How does OpenShift integrate with Helm charts?
89. How do you manage third-party applications in OpenShift?
90. What is OpenShift Pipelines, and how is it used?
91. How do you configure node pools in OpenShift?
92. What is the role of the OpenShift Web Console?
93. How do you configure alerting in OpenShift?
94. What are the default admission controllers in OpenShift?
95. How do you handle node failures in OpenShift?
96. What are the steps for cluster capacity planning in OpenShift?
97. How do you configure OpenShift for hybrid cloud environments?
98. How does OpenShift manage lifecycle hooks?
99. What are the common issues during OpenShift installation?
100. How do you troubleshoot cluster performance issues in OpenShift v4?