The functionality that you should use to delegate administrative tasks for specific resource groups in azure is option B: role based access control
Role-based access control, also known as role-based security, is a method for limiting system access to authorized users in computer system security. It is a strategy to put in place either required or optional access controls.
Therefore, base on the context of the above, Role-based security, sometimes referred to as role-based access control (RBAC), is a method that limits system access. Setting rights and permissions is necessary to grant authorized users access.
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