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For Absolute Beginners (20 Questions):
- What is Kubernetes, and why is it important for container orchestration?
- Explain the concept of a Kubernetes pod.
- How does Kubernetes handle container scaling?
- What is a Kubernetes service, and why is it useful?
- Describe the role of a Kubernetes controller.
- What are labels and selectors in Kubernetes?
- How do you create a deployment in Kubernetes?
- What is a Kubernetes namespace, and why would you use it?
- How does Kubernetes manage secrets and configuration data?
- What is the difference between a StatefulSet and a Deployment in Kubernetes?
- What is the difference between a Kubernetes deployment and a Kubernetes pod?
- How do you expose a Kubernetes service externally?
- What are liveness and readiness probes in Kubernetes, and why are they important?
- Describe the concept of a Kubernetes secret and its use cases.
- How can you upgrade a Kubernetes cluster to a new version?
- What is a Kubernetes persistent volume (PV), and how does it differ from a persistent volume claim (PVC)?
- How do you manage configuration files (such as YAML manifests) for Kubernetes resources?
- What is the purpose of a Kubernetes init container?
- Explain the concept of a Kubernetes daemon set.
- How can you perform rolling restarts for pods in a Kubernetes deployment?
For Intermediate (20 Questions, 2-6 Years of Experience):
- Explain the concept of a Kubernetes replica set.
- How do you perform rolling updates in Kubernetes?
- What is a Kubernetes ingress, and how does it work?
- Describe the role of a Kubernetes scheduler.
- How do you troubleshoot a pod that is not running as expected?
- What are Kubernetes resource quotas, and how do they impact cluster management?
- How can you secure communication between Kubernetes components?
- What is a Kubernetes ConfigMap, and how do you use it?
- Discuss the benefits of using Helm for managing Kubernetes applications.
- How do you monitor and visualize Kubernetes cluster health?
- What is a Kubernetes StatefulSet, and when would you use it?
- How do you handle secrets and sensitive data in Kubernetes securely?
- Discuss the benefits and drawbacks of using Helm charts for application deployment.
- What is a Kubernetes custom resource (CR), and how can you create one?
- How do you set resource limits and requests for containers in a Kubernetes pod?
- Describe the process of setting up a Kubernetes ingress controller.
- What is the role of a Kubernetes network policy, and how does it enhance security?
- How can you horizontally autoscale a Kubernetes deployment based on CPU utilization?
- Explain the concept of Kubernetes affinity and anti-affinity rules.
- How do you troubleshoot and diagnose performance issues in a Kubernetes cluster?
For Experienced Professionals (20 Questions, 7+ Years of Experience):
- Explain the concept of a Kubernetes custom resource definition (CRD).
- How do you handle rolling back a failed deployment in Kubernetes?
- Discuss the challenges of managing stateful applications in Kubernetes.
- What is the role of a Kubernetes operator?
- How can you optimize resource utilization in a large-scale Kubernetes cluster?
- Describe the process of setting up a multi-cluster Kubernetes federation.
- How do you implement network policies in Kubernetes for security?
- What are the differences between Helm v2 and Helm v3?
- Discuss the use of Kubernetes Operators for managing databases.
- How would you design a highly available and fault-tolerant Kubernetes architecture?
- What is the role of a Kubernetes admission controller, and how can you customize it?
- Discuss the use of Kubernetes custom metrics for autoscaling.
- How do you manage multi-tenancy in a large Kubernetes cluster?
- What is the difference between a Kubernetes job and a Kubernetes cron job?
- How can you achieve high availability for etcd in a Kubernetes control plane?
- Describe the process of setting up a Kubernetes federation for global deployments.
- What are the best practices for securing Kubernetes API server endpoints?
- How do you handle rolling updates for stateful applications in Kubernetes?
- Discuss the use of Kubernetes Operators for managing complex applications.
- How would you design a disaster recovery strategy for a critical Kubernetes workload?
Working on more specific questions to specific setting related to pods, nodes and containers. (Stay Tuned)
Hope you find this post helpful.
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