How can the administrator achieve this goal?

A network administrator wants to be able to access an Aruba Instant cluster at the same IP address even if the current master fails.

How can the administrator achieve this goal?
A . Configure a VC IP address that is a reserved IP address in the AP’s subnet.
B . Configure the AirWave IP address in the instant cluster System > Admin settings.
C . Assign static IP addresses, rather than DHCP ones, to all APs in the instant cluster.
D . Assign a static IP addresses, rather than a DHCP one, to the AP that is elected master.

Answer: A