Kubernetes Interview Questions
128 questions
The most extensive topic on this site: RBAC and security context, storage (PV/PVC/StorageClass), workloads and controllers (Deployments, StatefulSets, DaemonSets, Jobs, CronJobs), autoscaling (HPA/VPA), scheduling and affinity, networking, cluster architecture, CRDs and operators, admission control, and cluster security hardening. Every question is a realistic production scenario — a pod stuck Pending, a webhook silently breaking scheduling, a StatefulSet rollout behaving unexpectedly — not a bare definition.
How would you set up alerting to catch a CrashLoopBackOff-class issue before it reaches production traffic, rather than discovering it via a user-facing outage?
IntermediateKubernetesPrometheus7 min
A pod goes into CrashLoopBackOff immediately after you roll out a ConfigMap change, but only in one namespace. How do you investigate it?
IntermediateKubernetesContainers10 min
How would your investigation differ if a Pod entered ImagePullBackOff instead of CrashLoopBackOff?
BeginnerKubernetes6 min
How do liveness and readiness probes interact with a Pod that's already crash-looping on startup?
IntermediateKubernetes6 min