When a computer is connected to an interface with STP enabled in default mode, which is the correct order of the port transitions?

A. Listening, learning, blocking, forwarding
B. Forwarding, listening, learning, blocking
C. Blocking, listening, learning, forwarding
D. Blocking, learning, listening, forwarding

C. When a computer is connected to an STP-enabled interface, the port will transition between blocking, listening, learning, and forwarding. The time between the states of blocking and forwarding is called the convergence and is 50 seconds.