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Consider the following Kubernetes Deployment: With the ReplicaSet: And the Pods: What happens if one of the Pods is terminated with the command kubect1 pod delete?
Correct Answer: C
In Kubernetes, a Deployment manages ReplicaSets and ensures that the specified number of replicas for a given Pod is always maintained. If a Pod managed by a ReplicaSet is terminated (e.g., using the command kubectl delete pod <pod-name>), the ReplicaSet detects the discrepancy in the desired state (number of replicas) and the actual state. As a result, the ReplicaSet will immediately create a new Pod to replace the terminated one and maintain the desired number of replicas. * Deployment Management: A Kubernetes Deployment is responsible for maintaining the desired state of Pods through ReplicaSets. * ReplicaSet Functionality: A ReplicaSet ensures that a specified number of Pod replicas are running at all times. * Pod Termination: When a Pod is terminated, the ReplicaSet notices the reduction in the number of running Pods. * Replacement Pod Creation: To restore the desired state, the ReplicaSet automatically creates a new Pod to replace the terminated one. References: * Kubernetes Documentation - Deployments * Kubernetes Documentation - ReplicaSet