NSE7 Enterprise Firewall and VDOMs Practice Question
A FortiGate administrator is designing a VDOM configuration for a multi-tenant environment. Each tenant requires its own routing table and firewall policies. Which VDOM type should be used for each tenant?
⚠ Common exam trap
Candidates often confuse 'Router mode' (a non-existent term) with NAT mode, or assume Transparent mode can provide Layer 3 routing isolation, but only NAT mode VDOMs support independent routing tables and firewall policies for multi-tenant environments.
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
✓
NAT mode VDOM
In a multi-tenant VDOM environment where each tenant requires its own routing table and firewall policies, NAT mode VDOM (option D) is the correct choice because it operates as a Layer 3 routing entity with its own independent routing table, interfaces, and firewall policies. This mode allows each tenant VDOM to perform NAT, route between subnets, and enforce security policies autonomously, which is essential for tenant isolation and policy control.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TP mode VDOM
Why it's wrong here
TP mode is not a valid VDOM type.
- ✗
Router mode VDOM
Why it's wrong here
Router mode is not a valid VDOM type.
- ✗
Transparent mode VDOM
Why it's wrong here
Transparent mode acts as a bridge, not a router.
- ✓
NAT mode VDOM
Why this is correct
NAT mode VDOM provides independent routing and policies.
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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.