To answer the question, you do not need to consider the exhibit. Which type of IoT device operates in the device-to-network-to-cloud communication model?
- Bluetooth heart-rate sensor
- IP camera
- smart watch
- Zigbee gas sensor
Explanation: Some smart devices, such as watches or fitness trackers, are not IP-enabled and cannot connect directly to the fog or cloud. These devices use application software operating on a local gateway device as an intermediary between the device and the cloud service.
Exam with this question: IoT Connecting Things 2.0 – Chapter 1 Quiz Answers
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