An Aruba Wireless Solution for a Very High Density (VHD)

An Aruba wireless solution for a very high density (VHD) wireless solution consists of a Mobility Master (MM) and two Mobility Controllers (MCs) . What is the best practice design for routing the wireless traffic?

A) The MCs provide the default gateway services for wireless devices and use static routers.
B) The MCs act at Layer2, and the MM acts as the default gateway.
C) The MCs act at Layer2, and core routing switches act as the default gateway.
D) The MCs provide the default gateway services for wireless devices and use OSPF.