Which type of Layer 2 attack causes a switch to flood all incoming traffic to all ports?
A. MAC spoofing attack
B. CAM overflow attack
C. VLAN hopping attack
D. STP attack
Answer: B
What is the best way to prevent a VLAN hopping attack?
A. Encapsulate trunk ports with IEEE 802.1Q.
B. Physically secure data closets.
C. Disable DTP negotiations.
D. Enable BDPU guard.
Answer: C
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