A client device roams between access points located on different floors in an atrium. The access points are joined to the same controller and configured in local mode. The access points are in different AP groups and have different IP addresses, but the client VLAN in the groups is the same.
Which type of roam occurs?

A.	inter-controller
B.	inter-subnet
C.	intra-VLAN
D.	intra-controller