Fortinet
NSE4 · Question #555
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?
Sign in or unlock NSE4 to reveal the answer and full explanation for question #555. The question stem and answer options stay visible for context.
Submitted by ahmad_uae· Apr 18, 2026FortiGate Deployment and System Configuration
Question
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?
Options
- AThe two VLAN sub-interfaces can have the same VLAN ID only if they belong to different VDOMs.
- BThe two VLAN sub-interfaces must have different VLAN IDs.
- CThe two VLAN sub-interfaces can have the same VLAN ID only if they have IP addresses in the same
- DThe two VLAN sub-interfaces can have the same VLAN ID only if they have IP addresses in different
Unlock NSE4 to see the answer
You've previewed enough free NSE4 questions. Unlock NSE4 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.
Topics
#VLANs#Sub-interfaces#Interface Configuration#Network Segmentation