If there is a switch running STP, and now the switch G0/0/17 interface and G0/0/18 interface are connected by a cable, then on the scenario described below, which is correct?

If there is a switch running STP, and now the switch G0/0/17 interface and G0/0/18 interface are connected by a cable, then on the scenario described below, which is correct?
A . G0/0/18 interface will enter the discarding state
B . Both G0/0/17 interface and G0 0/18 interface will enter the forwarding state
C . G0/0/17 interface will enter the blocking state
D . Both G0/0/17 interface and G0/0/18 interface will enter the discarding state.
E . G0/0/18 interface will continue change back and forth in listening state and learning state
F . G0/0/17 interface will always remain in the learning state

View Answer

Answer: A