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NSE4 · Question #379

Which are outputs for the command `diagnose hardware deviceinfo nic'? (Choose two.)

The correct answer is B. Physical MAC address C. Errors and collisions. The FortiGate command diagnose hardware deviceinfo nic provides hardware-level network interface card (NIC) details, including its physical MAC address and error/collision statistics.

Submitted by andres_qro· Apr 18, 2026FortiGate Deployment and System Configuration

Question

Which are outputs for the command `diagnose hardware deviceinfo nic'? (Choose two.)

Options

  • AARP cache
  • BPhysical MAC address
  • CErrors and collisions
  • DListening TCP ports

How the community answered

(49 responses)
  • A
    4% (2)
  • B
    88% (43)
  • D
    8% (4)

Why each option

The FortiGate command `diagnose hardware deviceinfo nic` provides hardware-level network interface card (NIC) details, including its physical MAC address and error/collision statistics.

AARP cache

The ARP cache, which maps IP addresses to MAC addresses, is a network layer function and is viewed using commands like `get system arp` or `diagnose ip arp list`, not a direct hardware attribute reported by `deviceinfo nic`.

BPhysical MAC addressCorrect

The `diagnose hardware deviceinfo nic` command provides detailed hardware-level information about the network interface cards, which includes their unique physical MAC addresses for identification.

CErrors and collisionsCorrect

The output of this diagnostic command includes various interface statistics such as counts for errors, collisions, and packet drops, which are crucial for troubleshooting physical layer and data link layer issues.

DListening TCP ports

Listening TCP ports indicate services and applications running on the FortiGate's operating system, not a hardware characteristic of the NIC itself; this information is typically retrieved using `fnsysctl netstat -apn`.

Concept tested: FortiGate NIC hardware diagnostics

Source: https://docs.fortinet.com/document/fortigate/7.4.0/fortios-cli-reference/192200/cli-reference

Topics

#FortiGate CLI#Network Interface Diagnostics#Hardware Information#Troubleshooting

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