What action can a network administrator take to help mitigate the threat of VLAN hopping attacks?

IT Questions BankCategory: CCNA SecurityWhat action can a network administrator take to help mitigate the threat of VLAN hopping attacks?

What action can a network administrator take to help mitigate the threat of VLAN hopping attacks?

  • Disable automatic trunking negotiation.
  • Disable VTP.
  • Enable PortFast on all switch ports.
  • Configure all switch ports to be members of VLAN 1.

Explanation: There are two methods for mitigating VLAN hopping attacks:
disabling automatic trunking negotiation on switchports
turning trunking off on all unused nontrunk switchport

Exam with this question: CCNA Security Certification Practice Exam Answers
Exam with this question: Module 14: Quiz – Layer 2 Security Considerations Network Security

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