Kubernetes - RBAC and Security
Which Kubernetes resource would you use to assign a
ClusterRole to a user across all namespaces?Which Kubernetes resource would you use to assign a ClusterRole to a user across all namespaces?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify resource for cluster-wide permissions
ClusterRoleBinding assigns ClusterRoles to users or groups across all namespaces.Step 2: Differentiate from RoleBinding
RoleBinding only applies within one namespace, so it cannot assign cluster-wide roles.Final Answer:
ClusterRoleBinding -> Option BQuick Check:
ClusterRoleBinding = cluster-wide role assignment [OK]
Quick Trick: Use ClusterRoleBinding for cluster-wide role assignments [OK]
Common Mistakes:
- Using RoleBinding for cluster-wide permissions
- Confusing ServiceAccount with role bindings
- Thinking Namespace is a binding resource
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