Which statement about the VLAN IDs in this scenario is true?

A FortiGate is operating in NAT/Route mode and configured with two virtual LAN (VLAN) sub-interfaces added to the same physical interface.

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

View Answer

Answer: C