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Fortinet FCSS_LED_AR-7.6 Exam - Topic 3 Question 14 Discussion

Actual exam question for Fortinet's FCSS_LED_AR-7.6 exam

Question #: 14
Topic #: 3

[All FCSS_LED_AR-7.6 Questions]

Why is it critical to maintain NTP synchronization between FortiGate and FortiSwitch when FortiLink is configured?

ATo facilitate synchronization of firmware updates across devices

BTo allow FortiSwitch to communicate with other FortiSwitche devices in the network.

CTo ensure accurate time for logs, authentication, and event correlation

DTo allow FortiSwitch to function in standalone mode if FortiGate becomes unavailable

Show Suggested Answer

Suggested Answer: C

FortiGate and FortiSwitchmust share synchronized timewhen operating in FortiLink mode.

Documented reasons in FortiOS:

Accurate time synchronization is required for logs, authentication events, and fabric correlations.

Why it's critical:

802.1X EAP and RADIUS timestamp validation

NAC policy enforcement timestamps

Certificate validation

Log correlation in Security Fabric / FortiAnalyzer

Incorrect options:

A: Firmware synchronization does NOT require NTP.

B: Switch-to-switch communication does not depend on NTP.

D: Standalone mode is unrelated to time sync.

by Lezlie at Jun 28, 2026, 02:28 PM

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Elke

9 hours ago

I’m leaning towards C, but I wonder if D could be a factor too, especially if the FortiGate goes down.

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Maryann

6 days ago

I feel like we had a practice question about FortiLink and time issues. I think C was the right answer there as well.

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Tanja

11 days ago

I’m not entirely sure, but I think maintaining NTP sync is also important for firmware updates. Maybe A is relevant too?

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Benton

16 days ago

I remember we discussed how time synchronization is crucial for logging and event correlation, so I think C makes sense.

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