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CKA study material · question 546 of 1000

A node has both containerd and CRI-O installed, and kubeadm join fails while trying to detect the runtime. Which flag resolves the ambiguity?

  1. --cri-socket
  2. --container-runtime
  3. --node-name
  4. --ignore-preflight-errors=CRI
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Answer: A. --cri-socket

kubeadm auto-detects a runtime by scanning known endpoints, and --cri-socket is how an administrator names one explicitly when several are installed.

Source: Creating a cluster with kubeadm (Kubernetes) — Initializing your control-plane node

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