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In a cluster that contains Nodes withmultiple container runtimesinstalled, how can a Pod be configured to be created on a specific runtime?
Correct Answer: D
* Kubernetes supportsmultiple container runtimeson a node via theRuntimeClassresource. * To select a runtime, you specify the runtimeClassName field in thePod's YAML manifest. Example: * apiVersion: v1 * kind: Pod * metadata: * name: example * spec: * runtimeClassName: gvisor * containers: * - name: app * image: nginx * Incorrect options: * (A) You cannot specify container runtime through a kubectl command-line flag. * (B) Modifying the Docker daemon config does not direct Kubernetes Pods to a runtime. * (C) Environment variables inside a Pod spec do not control container runtimes. References: Kubernetes Documentation - RuntimeClass CNCF Security Whitepaper - Workload isolation via different runtimes (e.g., gVisor, Kata) for enhanced security.