Company Y is a mobile backhaul provider that uses microwave rings in their network. Which
low-cost, simple technology do you recommend to Company Y to ensure the fastest
convergence times in a ring topology?

A.
sub-second IGP hello and dead timers

B.
MPLS TrafficEngineering

C.
Remote Loop-Free Alternate

D.
IP Event Dampening

E.
hub and spoke with ECMP