A customer has an Aruba ESP (Edge Services Platform) solution. A site uses an AP-only deployment model. Later the customer wants to use gateways.

A customer has an Aruba ESP (Edge Services Platform) solution. A site uses an AP-only deployment model. Later the customer wants to use gateways.
A . Add the gateways, use thorn to control the existing APs. and use the gateways’ Ul to manage the network.
B . Add the gateways, there is no need to change the existing APs’ mode, and the gateway can be managed by Aruba Central
C . Replace the existing APs will) now Campus APs, and then add the gateways.
D . Change the Apps’ mode to Campus mode. upgrade to campus software and thon add the gateways

Answer: B