Exam : NSE4_FGT_AD-7.6
Title : Fortinet NSE 4 - FortiOS 7.6
Administrator
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1.Refer to the exhibit.
An SD-WAN zone configuration on the FortiGate GUI is shown. Based on the exhibit, which statement is
true?
A. The Underlay zone contains no member.
B. The virtual-wan-link and overlay zones can be deleted
C. The Underlay zone is the zone by default.
D. port2 and port3 are not assigned to a zone.
Answer: A
Explanation:
According to the FortiOS 7.6 Administrator Guide and the specific behavior of the SD-WAN GUI, here is
the technical breakdown:
SD-WAN Zone Hierarchy and UI Elements: In the FortiGate GUI, SD-WAN zones that contain member
interfaces are displayed with a plus (+) icon next to the checkbox. This icon allows administrators to
expand the zone and view the specific physical or logical interfaces assigned to it.
Analysis of the "Underlay" Zone: In the provided exhibit, the virtual-wan-link and overlay zones both
feature the plus (+) expansion icon, indicating they have active members. The Underlay zone, however,
lacks this icon and displays a red status icon. This is the visual indicator in FortiOS that the zone is
currently empty and contains no member interfaces.
Mandatory Zone Membership: In FortiOS 7.x, every SD-WAN member interface must be assigned to a