Which Layer 2 security issue sends a frame destined for one VLAN to a different VLAN by adding more than one VLAN ID to the header?
- Double-tagging
- Switch spoofing
- PVLAN edge
- Plaintext vty access
Explanation: An attacker using a double-tagging attack attaches two VLAN IDs to the header. The second VLAN ID is examined by a second switch that forwards frames to a destination VLAN that has a host controlled by the attacker.
Exam with this question: CCNA 2 v5 Chapter 3: Check Your Understanding Questions
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