A. Different IoT approaches need to integrate technologies like mobile, cloud, big data, and analytics, connecting everyday objects to each other and the Internet.

B. Cloud technology is well-suited to enable IoT, offering agility, low costs, and excellent resourceutilization.

C. Using IoT, hospitality-based businesses can track customer behavior to deliver rewards and tailored services.

D. IoT is not useful in asset tracking scenarios due to the unavailability of low-cost connected devices and sensors.