What does the engineer need to consider about Aruba BLE beacons?

A network engineer plans an Aruba BLE beacons deployment for an airport to provide location and proximity for the airport’s app.

What does the engineer need to consider about Aruba BLE beacons?
A . They enable blue dot on iOS and Android AppMaker venue apps.
B . They require GPS-enabled devices to configure beacons with the Beacons App.
C . They require iOS 4.01 or later to configure beacons with the Beacons App.
D . They use Wi-Fi APs and controllers for location and notifications.

Answer: D

Explanation:

Reference: https://gigaom.com/2014/11/04/aruba-cheats-on-wi-fi-by-having-a-tryst-with-bluetooth-beacons/