Exam Network-Security-Essentials Topic 1 Question 52 Discussion

Actual exam question for WatchGuard's Network-Security-Essentials exam
Question #: 52
Topic #: 1
You have an existing network infrastructure built out that uses tagged and untagged VLAN networks. Based on the diagram below, which VLANs must you add to the Firebox interface? (Select one.)

Suggested Answer: B Vote an answer

Based on the diagram provided, the Firebox connects to a switch with VLAN 10 and VLAN 20 as tagged traffic. The connection between the Firebox and the switch shows that both VLAN 10 and VLAN 20 are tagged, indicating that traffic for these VLANs will be carried over a single trunk link to the Firebox.
To properly configure the Firebox to handle this setup, you need to addVLAN 10 TaggedandVLAN 20 Taggedto the Firebox interface, as this configuration will allow the Firebox to interpret tagged packets for both VLANs from the switch. Untagged configurations are not applicable here since the Firebox interface expects tagged traffic for both VLANs on the trunk connection.

by Herman at Aug 19, 2025, 02:34 AM

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