A customer is considering the use of RBAC to centrally administer user accounts that can log into multiple Isilon clusters. What is a potential capability for the customer?

A. Assign users only custom roles with privileges to perform specific administrative tasks

B. Assign individual privileges for specific administrative tasks directly to user accounts

C. Assign users built-in or custom roles with privileges to perform specific administrative tasks

D. Assign users only built-in roles with privileges to perform specific administrative tasks