Kubernetes Networking Interview Questions and Answers
Kubernetes networking interview questions start simple and end at the packet level. "How does a Service work?" becomes "so where does the ClusterIP live?", then "what changes if you remove kube-proxy?", then "why does DNS only time out under load?". The questions below follow that path, from the pod network through Services, NetworkPolicy, Gateway API and DNS to a debugging scenario. Kubernetes…
Kubernetes networking interview questions typically begin with the basics and progress towards deeper packet-level details. A key question, "How does a Service work?" leads to subsequent inquiries about the location of ClusterIP, the impact of removing kube-proxy, and the reasons behind DNS timeouts under load. This question-and-answer format follows a logical progression from pod networking, through Services, NetworkPolicy, Gateway API and DNS, culminating in a troubleshooting scenario.
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