In this scenario, which statement about the VLAN IDs is true?

A FortiGate is operating in NAT mode and configured with two virtual LAN (VLAN) subinterfaces added to the physical interface.

In this scenario, which statement about the VLAN IDs is true?
A . The two VLAN sub interfaces can have the same VLAN ID, only if they have IP addresses in different subnets.
B . The two VLAN sub interfaces must have different VLAN IDs.
C . The two VLAN sub interfaces can have the same VLAN ID, only if they belong to different VDOMs.
D . The two VLAN sub interfaces can have the same VLAN ID, only if they have IP addresses in the same subnet.

Answer: B