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
Correct Answer: B
Explanation: PortFast
Spanning Tree Portfast causes layer 2 switch interfaces to enter forwarding state immediately,
bypassing the listening and learning states. It should be used on ports connected directly to end hosts
like servers or workstations. Note: If portfast isn't enabled, DHCP timeouts can occur while STP
converges, causing more problems.
Reference: Click here
Exam with this question: CA201
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