A System Administrator Has Just Been Hired at a Company

Multiple Choice

A system administrator has just been hired at a company that has been experiencing rapid growth in its second year of operation. When the company began, users were simply given permissions for the files or directories to which they needed access by the owners of the files and directories. Which of the following should the system administrator recommend to accommodate this new growth?

A) RBAC
B) DAC
C) TACACS
D) NAC