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What are the primary attack methods of VLAN hopping? (Choose two.)
A. VoIP hopping
B. Switch spoofing
C. CAM-table overflow
D. Double tagging
Correct Answer: BD
Explanation/Reference:
VLAN hopping is a computer security exploit, a method of attacking networked resources on a Virtual LAN (VLAN). The basic concept behind all VLAN hopping attacks is for an attacking host on a VLAN to gain access to traffic on other
VLANs that would normally not be accessible. There are two primary methods of VLAN hopping: switch spoofing and double tagging. Both attack vectors can be easily mitigated with proper switchport configuration.
Reference: https://en.wikipedia.org/wiki/VLAN_hopping