[Solved] What is the primary purpose of a RoleBinding in Kubernetes? — Ans: To grant permissions within a specific namespace | Kubernetes

Kubernetes - RBAC and Security

What is the primary purpose of a RoleBinding in Kubernetes?

ATo grant permissions cluster-wide

BTo grant permissions within a specific namespace

CTo create a new user account

DTo delete resources in all namespaces

Step-by-Step Solution

Solution:

Step 1: Understand RoleBinding scope
A RoleBinding grants permissions to users or groups but only within a specific namespace.
Step 2: Compare with ClusterRoleBinding
ClusterRoleBinding grants permissions cluster-wide, unlike RoleBinding.
Final Answer:
To grant permissions within a specific namespace -> Option B
Quick Check:
RoleBinding scope = namespace [OK]

Quick Trick: RoleBinding is namespace-specific, ClusterRoleBinding is cluster-wide [OK]

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What is the primary purpose of a RoleBinding in Kubernetes?