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

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

Which statements about the VLAN sub interfaces can have the same VLAN ID, only if they have IP addresses in different subnets.
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: C

Explanation:

Virtual domains (VDOMs) are a method of dividing a FortiGate unit into two or more virtual units that function as multiple independent units. VLAN (Virtual LAN) IDs are unique within each VDOM. This means that the same VLAN ID can be used again in a different VDOM. However, within the same VDOM, each VLAN subinterface must have a unique VLAN ID.

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