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PortFast is an stp feature that causes an interface to be placed in the forwarding state as soon as the interface is physically active.What is stp ?For Ethernet networks, a logical topology without loops is created using the Spanning Tree Protocol. Bridge loops and the resulting broadcast radiation are what STP is primarily used for.Hence, PortFast is an stp feature that causes an interface to be placed in the forwarding state as soon as the interface is physically active.You can learn more about STP from the given link:https://brainly.com/question/28111068#SPJ4