What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?

Last Updated: May 11, 2021
IT Exam Items Repository › Category: CCNA Security › What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?

What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?

  • preventing buffer overflow attacks
  • preventing rogue switches from being added to the network
  • protecting against Layer 2 loops
  • enforcing the placement of root bridges

Explanation: BPDU guard immediately error-disables a port that receives a BPDU. This prevents rogue switches from being added to the network. BPDU guard should only be applied to all end-user ports.

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