Exam 312-50v13 Topic 1 Question 131 Discussion

Actual exam question for ECCouncil's 312-50v13 exam
Question #: 131
Topic #: 1
A penetration tester is conducting a security assessment for a client and needs to capture sensitive information transmitted across multiple VLANs without being detected by the organization ' s security monitoring systems. The network employs strict VLAN segmentation and port security measures. Which advanced sniffing technique should the tester use to discreetly intercept and analyze traffic across all VLANs?

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VLAN hopping is an advanced attack technique described in CEH materials, used to bypass VLAN segmentation by exploiting switch misconfigurations or vulnerabilities. Two primary methods-switch spoofing and double tagging-allow attackers to gain access to traffic from VLANs they are not authorized to view. This technique enables the capture of inter-VLAN traffic without requiring administrative privileges or triggering security tools. Port mirroring requires administrative control and is not an attack method. Rogue DHCP servers target IP assignment, not VLAN segmentation. ARP poisoning is effective only within a single broadcast domain and cannot traverse VLAN boundaries. Because the objective is to silently access multiple VLANs despite enforced segmentation, VLAN hopping is the correct technique as per CEH's network perimeter attack methodology.

by Colin at Jul 03, 2026, 01:22 AM

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