NSE7 Enterprise Firewall and VDOMs Practice Question
An enterprise FortiGate has multiple VDOMs. The administrator wants to allow traffic from VDOM A to reach servers in VDOM B without traversing an external router. Which configuration is required?
⚠ Common exam trap
A common mix-up: candidates confuse enabling VDOM forwarding (a global toggle) with creating the actual inter-VDOM link, assuming the toggle alone allows traffic to flow between VDOMs without an explicit interface configuration.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an inter-VDOM link using the 'config system interface' command with type 'vdom-link'
Inter-VDOM links are the native FortiGate mechanism for routing traffic between VDOMs without external hardware. Created via 'config system interface' with type 'vdom-link', they act as a direct Layer 3 connection between VDOMs, allowing traffic to flow internally through the FortiGate's backplane. This avoids the need for an external router or physical cabling.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Place both VDOMs in the same VDOM group
Why it's wrong here
VDOM groups are for administrative grouping, not for routing traffic.
- ✗
Configure a static route in each VDOM pointing to the other VDOM's management IP
Why it's wrong here
Static routes alone cannot forward traffic across VDOMs; inter-VDOM routing requires a dedicated link.
- ✓
Create an inter-VDOM link using the 'config system interface' command with type 'vdom-link'
Why this is correct
This creates a direct link between VDOMs, allowing routed traffic with firewall policies.
- ✗
Enable VDOM forwarding in global settings
Why it's wrong here
There is no 'VDOM forwarding' global setting; VDOM separation requires explicit links.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE7 exam.