What occurs when PortFast is enabled on an interface that is connected to another switch?

A. Root port choice and spanning-tree recalculation are accelerated when a switch link goes down.

B. After spanning-tree converges, PortFast shuts down any port that receives BPDUs.

C. VTP is allowed to propagate VLAN configuration information from switch to switch automatically.

D. Spanning-tree fails to detect a switching loop increasing the likelihood of broadcast storms.








 

Suggested Answer: D

Community Answer: D

Enabling the PortFast feature causes a switch or a trunk port to enter the STP forwarding-state immediately or upon a linkup event, thus bypassing the listening and learning states.
Note: To enable portfast on a trunk port you need the trunk keyword ג€spanning-tree portfast trunkג€

This question is in 200-301 Cisco Certified Network Associate (CCNA) Exam
For getting Cisco Certified Network Associate (CCNA) Certificate





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