What are three techniques for mitigating VLAN hopping attacks? (Choose three.)

Last Updated: May 23, 2021
IT Exam Items Repository › Category: CCNA Security › What are three techniques for mitigating VLAN hopping attacks? (Choose three.)

What are three techniques for mitigating VLAN hopping attacks? (Choose three.)

  • Set the native VLAN to an unused VLAN.
  • Disable DTP.
  • Enable Source Guard.
  • Enable trunking manually.
  • Enable BPDU guard.
  • Use private VLANs.

Explanation: Mitigating a VLAN hopping attack can be done by disabling Dynamic Trunking Protocol (DTP), manually setting ports to trunking mode, and by setting the native VLAN of trunk links to VLANs not in use.

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