What is the primary effect of the spanning-tree portfast command?

By | November 19, 2022

  • A. It immediately enables the port in the listening state.
  • B. It immediately puts the port into the forwarding state when the switch is reloaded.
  • C. It enables BPDU messages.
  • D. It minimizes spanning-tree convergence time.
Answer: Option D.
Explanation: 

Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_55_se/configuration/guide/3560_scg/swstpopt.html

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