While working in the core network building,a technician accidently bumps the fiber connection between two core switches and damages one of the pairs of fiber.As designed,the link was placed into a non-forwarding state due to a fault with UDLD.After the damaged cable was replaced,the link did not recover.What solution allows the network switch to automatically recover from such an issue?
A. macros
B. Err-disable auto recovery
C. IP Event Dampening
D. command aliases
E. Bidirectional Forwarding Detection
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