Please help me w/ this multiple choice question:
What is the effect of this confi command? spanning-tree portfast bpdufilter default
A. If BPDUs are received by a port configured for PortFast, they are ignored and none is sent.
B. The command will enable BPDU filtering on all ports regardless of whether they are configured for BPDU filtering at interface level
C. If BPDUs are received by port configured for portfast, the port will transition to forwarding state
D. If BPDUs are received by port configured for portfast, then portfast is desabled and BPDUs are processed normally.
E. None of alternatives apply.