You have proposed an Aruba wireless solution to a hospital with very high availability requirements for the wireless network. Which feature of Aruba solutions should you explain provides seamless failover and live upgrades for mobility controllers?
A. live mobility tracking with Aruba Meridian
B. connectivity Health in AirWave or Central
C. clustering with ArubaOS 8.x and above
D. AirMatch and ClientMatch with Mobility Master (MM)