Which option describes the flow of the S6a configuration on the Cisco ASR 5000 system?

Which option describes the flow of the S6a configuration on the Cisco ASR 5000 system?

A.
MME-service, hss-peer-service, diameter endpoint, peer configuration

B.
MME-service, diameter endpoint, hss-peer-service, peer configuration

C.
MME-service, diameter endpoint, S6a-service, peer configuration

D.
s6a-service, hss-peer-service, diameter endpoint, peer configuration