NSE7 Enterprise Firewall and VDOMs Practice Question
A multi-VDOM FortiGate is running low on memory. The administrator suspects that the management VDOM is consuming excessive resources. How can the administrator limit the memory usage of the management VDOM?
⚠ Common exam trap
Many candidates think disabling unused features (Option D) is sufficient to limit memory usage, but FortiGate's VDOM resource limits provide a hard enforcement mechanism that is the only way to guarantee a VDOM does not exceed a specified memory threshold.
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
✓
Enable VDOM resource limits and configure a memory cap for the management VDOM
FortiGate VDOM resource limits allow an administrator to set a specific memory cap for each VDOM, including the management VDOM. By enabling VDOM resource limits and configuring a memory cap, the management VDOM is prevented from consuming excessive memory, ensuring fair resource allocation across all VDOMs. This is the only option that directly limits memory usage at the VDOM level without requiring hardware changes or disabling features.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Convert the management VDOM to a traffic VDOM
Why it's wrong here
Changing VDOM type doesn't limit memory.
- ✗
Move the management VDOM to a separate physical FortiGate
Why it's wrong here
Not a practical solution in this context.
- ✗
Disable unused features in the management VDOM
Why it's wrong here
Disabling features helps but doesn't directly limit memory; resource limits are more precise.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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