Refer to the exhibit. A LAN interface connected from FortiGate to two FortiSwitch devices is shown. Which two statements about the LAN interface connection shown in the exhibit are correct? (Choose two.)

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Reference / correct answer:
The LAN interface must use an 802.3ad type interface.
Most accepted answer: A. The LAN interface must use an 802.3ad type interface.
Community votes: A=2, C=2
Selected Answer: AC FortiLink for FortiGate to FortiSwitch. LACP - 802.3.ad is in use. upvoted 2 times
Selected Answer: AC To "bundle" ports as one logical port, one must use an aggregation protocol, 802.3ad is LACP, and is supported on Fortigates. Thus A is correct. You don't enable STP on the Fortigate interfaces, as these are layer3 interfaces, and stp doesn't exist on layer3. Fortiswitches support MST and STP, mst is default, thus B isn't correct. You don't NEED to have Fortilink enabled against Fortiswitches, as they can be configured in stand-alone mode, and there is no place in the text detailing that the switches are managed. However, D doesn't make sense, so C is the most correct answer, even though the information in the question is a bit open ended. upvoted 4 times