NSE7 Enterprise Firewall and VDOMs Practice Question
An administrator is configuring a FortiGate with multiple VDOMs. The administrator wants to ensure that each VDOM has its own separate routing table. Which statement is correct?
⚠ Common exam trap
The trap here is assuming that VDOMs share a common routing table or that routes are synchronized, when in fact each VDOM maintains its own separate routing table.
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
✓
Each VDOM maintains its own independent routing table, and routes are not shared between VDOMs by default.
In a multi-VDOM FortiGate, each VDOM has its own independent routing table. Routes are not shared between VDOMs by default, ensuring isolation. This allows each VDOM to have separate routing policies and next-hop gateways. Inter-VDOM routing must be explicitly configured using VDOM links if communication between VDOMs is required.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
All VDOMs share a single global routing table, but policies can filter routes.
Why it's wrong here
VDOMs do not share a single global routing table. Each VDOM has its own routing table, and there is no global routing table that all VDOMs use. Policies do not filter routes; routing and policies are separate functions. This statement misrepresents the architecture of multi-VDOM FortiGates.
- ✗
Only the management VDOM has a routing table; other VDOMs use the management VDOM's routing table.
Why it's wrong here
Every VDOM, including the management VDOM, has its own routing table. Non-management VDOMs do not rely on the management VDOM's routing table. Each VDOM makes its own routing decisions based on its own table, which is a key feature of VDOM isolation.
- ✓
Each VDOM maintains its own independent routing table, and routes are not shared between VDOMs by default.
Why this is correct
In multi-VDOM mode, each VDOM operates as a separate virtual firewall with its own routing table, interfaces, and policies. By default, routes are not shared between VDOMs. This isolation allows each VDOM to have independent routing decisions, which is essential for multi-tenant or segmented environments. Inter-VDOM routing must be explicitly configured if needed.
- ✗
Routes are automatically synchronized between VDOMs to ensure consistent routing.
Why it's wrong here
Routes are not automatically synchronized between VDOMs. Each VDOM's routing table is independent, and administrators must manually configure routes in each VDOM as needed. Automatic synchronization would defeat the purpose of VDOM isolation and could lead to routing conflicts or security issues.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Fortinet exam blueprint
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