How can network administrators control in which subnets user receive IP addresses?

A company has an Aruba solution that supports an employee WLAN.

How can network administrators control in which subnets user receive IP addresses?
A . Assign switch ports connected to APs to VLANs associated with the desired subnets.
B . Set the VLANs associated with desired subnets in the WLAN settings.
C . Configure firewall policies that permit the desired subnet, and add them to the initial role for the WLA
E . In the WLAN settings, configure User role rules with the desired subnet addresses as match criteria.

Answer: B