How can the administrator meet these criteria in the simplest way?

A network administrator configures an Aruba Mobility Master (MM)-based solution to provide wireless access to employees.

The solution must meet these criteria:

– Authenticate users to a network RADIUS server

– Enforce different Aruba firewall rules based on the user department

How can the administrator meet these criteria in the simplest way?
A . Create a different WLAN and SSID for each department. Apply different firewall policies to each WLA
C . Have the RADIUS server send different roles for users in different departments. Apply role-based firewall policies.
D . Create multiple zones on the M
E . Assign different departments are sets of firewall policies to different zones.
F . Have the RADIUS server assign users in different departments to different VLANs. Apply firewall policies based on IP ranges.

Answer: B