Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?
A. BPDUfilter
B. PortFast
C. Backbonefast
D. BPDUguard
Answer:B
Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?
A. BPDUfilter B. PortFast C. Backbonefast D. BPDUguard