A BPDU guard is configured on an interface that has PortFast Enable. Which state does the interface enter when it recives a BPDU ?
A. Blocking
B. Shutdown
C. Listening
D. Errdisable
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PortFast BPDU guard prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port.
Correct answer: D – “errdisable”