Exam 642-883 Question id=3402 OSPFv2 and OSPFv3 Routing in Service Provider Environments

What are two consequences of having constant link flaps, resulting in the OSPF neighbor adjacencies going up and down repeatedly?

A. routes getting into the "Stuck In Active" state
B. constant flooding of LSAs
C. OSPF route dampening to occur
D. many SPF recalculations
E. routing loops may temporarily be introduced into the network

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