What action can a network administrator take to help mitigate the threat of VLAN attacks?
- Disable VTP.
- Configure all switch ports to be members of VLAN 1.
- Disable automatic trunking negotiation.
- Enable PortFast on all switch ports.
Related exam: CCNA 4 - Connecting Networks (v5.0.3 + v6.0) Final Exam Answers
