What is the effect of this command on Fa1/0/7?

Refer to the exhibit

An engineer entered the command no spanning-tree bpduguard enable on interface Fa1/0/7.

What is the effect of this command on Fa1/0/7?
A . It remains in err-disabled state until the s panning-tree portfast bpduguard disable command is entered in the interface configuration mode
B . It remains in err-disabled state until the errdisable recovery cause failed-port-state command is entered in the global configuration mode
C . It remains in err-disabled state until the no shutdown command is entered in the interface configuration mode.
D . It remains in err-disabled state until the shutdown/no shutdown command is entered in the interface configuration mode

View Answer

Answer: D