Your network uses a Brocade FastIron SX with a guest VLAN. You want to prevent users on that
VLAN from being able to communicate directly, unless they pass through your firewall.
How would this be accomplished?

A.
Use a private VLAN with the firewall on a community port and each guest on an isolated port.

B.
Use a private VLAN with the firewall on a primary port and each guest on a community port.

C.
Use a private VLAN with the firewall on a primary port and each guest on an isolated port.

D.
Use a private VLAN with the firewall on a community port and each guest on a community port.