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RBAC (Role Based Access Control) in Kubernetes provides two scopes of access control: namespace-scoped using Role and RoleBinding resources, and cluster-scoped using ClusterRole and ClusterRoleBinding resources. Implementation involves defining permissions through rules that specify API groups, resources, and verbs, then binding these permissions to users, groups, or service accounts. The impersonation feature allows testing RBAC configurations by taking the identity of other users or service accounts without requiring actual user involvement.

Understanding RBAC in Kubernetes

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