NSE4 · Question #490
Which of the following statements is true regarding a FortiGate device operating in transparent mode? (Choose three.)
The correct answer is A. It acts as a layer 2 bridge C. It forwards frames using the destination MAC address. E. It can perform content inspection (antivirus, web filtering, etc). In transparent mode, a FortiGate acts as a Layer 2 bridge, forwarding frames based on MAC addresses, while still performing advanced content inspection like antivirus and web filtering.
Question
Which of the following statements is true regarding a FortiGate device operating in transparent mode? (Choose three.)
Options
- AIt acts as a layer 2 bridge
- BIt acts as a layer 3 router
- CIt forwards frames using the destination MAC address.
- DIt forwards packets using the destination IP address.
- EIt can perform content inspection (antivirus, web filtering, etc)
How the community answered
(48 responses)- A88% (42)
- B4% (2)
- D8% (4)
Why each option
In transparent mode, a FortiGate acts as a Layer 2 bridge, forwarding frames based on MAC addresses, while still performing advanced content inspection like antivirus and web filtering.
When operating in transparent mode, a FortiGate device functions as a Layer 2 bridge, seamlessly integrating into an existing network segment without requiring changes to IP addressing or routing.
A FortiGate in transparent mode does not perform Layer 3 routing functions; it operates at Layer 2, passing traffic based on MAC addresses.
As a Layer 2 bridge, the FortiGate in transparent mode forwards network traffic by examining the destination MAC address in the Ethernet frame, making it invisible to network devices.
Forwarding packets based on destination IP address is a function of a Layer 3 router, which is not the operational mode of a FortiGate in transparent mode.
Despite its Layer 2 transparent operation, the FortiGate retains its full Next-Generation Firewall capabilities, including deep packet inspection for services such as antivirus, web filtering, and intrusion prevention.
Concept tested: FortiGate transparent mode operation
Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/466580/operational-modes
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