If you disable PortFast on switch ports that are connected to a Cisco ASA and globally turn on
BPDU filtering, what is the effect on the switch ports?

A.
The switch ports are prevented from going into an err-disable state if a BPDU is received.

B.
The switch ports are prevented from going into an err-disable state if a BPDU is sent.

C.
The switch ports are prevented from going into an err-disable state if a BPDU is received and
sent.

D.
The switch ports are prevented from forming a trunk.