NSE7 Enterprise Firewall and VDOMs Practice Question
A company uses FortiManager to manage multiple FortiGate firewalls. After making changes to a policy package, the administrator runs an install preview and sees a warning: 'Policy ID 10 will be deleted on device XYZ'. What is the most likely reason for this warning?
⚠ Common exam trap
It's easy for candidates to assume the warning indicates an error or conflict, when in fact it is a normal behavior of FortiManager's policy synchronization to remove policies that were manually added on the device outside of FortiManager management.
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
✓
Policy ID 10 was manually added on the device but is not present in the policy package
The warning 'Policy ID 10 will be deleted on device XYZ' indicates that the policy package on FortiManager does not contain Policy ID 10, but the device currently has it. During an install, FortiManager synchronizes the device's policy set with the policy package, so any policy present on the device but absent from the package is flagged for deletion. This is a standard consistency check to prevent unintended policy loss.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Policy ID 10 was manually added on the device but is not present in the policy package
Why this is correct
The install preview shows actions to align the device with the package.
- ✗
The policy package has been corrupted and needs to be re-imported
Why it's wrong here
Corruption would produce different errors.
- ✗
The device is in a different ADOM and cannot use the same policy ID
Why it's wrong here
ADOMs are separate, but the warning is about deletion.
- ✗
A revision history conflict exists that prevents the install
Why it's wrong here
Revision history tracks changes but doesn't directly cause this warning.
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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.