Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?

Refer to the exhibit.

Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?
A . BFD
B . UDLD
C . RSTP
D . PVST+

View Answer

Answer: A