Which of the following is not a vulnerability of the data-link layer?
- MAC Address Spoofing
- VLAN circumvention
- Switches may be forced for flooding traffic to all VLAN ports
- Overloading of transport-layer mechanisms
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Answer: d
Explanation: MAC Address Spoofing, VLAN circumvention and switches may be forced for flooding traffic to all VLAN ports are examples of data-link layer vulnerability.