What action takes place when a frame entering a switch has a unicast destination MAC address appearing in the MAC address table?

What action takes place when a frame entering a switch has a unicast destination MAC address appearing in the MAC address table?

  • The switch resets the refresh timer on all MAC address table entries.
  • The switch forwards the frame out of the specified port.
  • The switch updates the refresh timer for the entry.
  • The switch will forward the frame out all ports except the incoming port.