| Exam 300-115 | Question id=1466 | Infrastructure Security |
Enablement of which feature puts the port into err-disabled state when the port has PortFast enabled and it receives BPDUs?
| A. |
BPDU filtering | |
| B. |
BackboneFast | |
| C. |
EtherChannel | |
| D. |
BPDU guard |