An Aruba WiFi solution for a football stadium includes 2500 APs, two Mobility Masters (MM), and eight Mobility Controllers (MCs). Key requirements are seamless roaming and even distribution of APs and clients, even during a MC failure.

Which MC’s deployment option offers seamless roaming, and even AP client distribution among all MCs before and after a MC failure?

A. a two-member HA group in dual mode

B. an eight-member L2-connected cluster

C. two four-member L2-connected clusters

D. an eight-member HA group in dual mode