What two technologies should be implemented to help prevent unauthorized access to the server?

Refer to the exhibit. The FMJ manufacturing company is concerned about unauthorized access to the Payroll Server. The Accounting1, CEO, Mgr1, and Mgr2 workstations should be the only computers with access to the Payroll Server. What two technologies should be implemented to help prevent unauthorized access to the server? (Choose two.)

A.
access lists

B.
encrypted router passwords

C.
STP

D.
VLANs

E.
VTP

F.
wireless LANs