What kind of PoE device can be used to power a non-PoE connected object assuming PoE power is provided on the Ethernet cable?
Answer(s): D
PoE Splitter: A PoE splitter separates power and data from a PoE-enabled Ethernet cable, allowing the powering of non-PoE devices.Other PoE Devices:PoE Injector: Adds power to non-PoE Ethernet cable.PoE Switch: Provides power directly through its ports.
What is a common characteristic of Industrial IoT (IIoT) devices that is not a characteristic of all IoT devices?
Answer(s): A
IIoT Environments: Industrial IoT (IIoT) often involves deployment in harsh environments (factories, plants, outdoor sites) with:Extreme temperaturesDust & VibrationsExposure to chemicals or moistureRuggedization: IIoT devices are designed to withstand these conditions, ensuring reliability and longevity.
IIoT: https://en.wikipedia.org/wiki/Industrial_Internet_of_things Rugged Devices: Articles on ruggedized electronics will emphasize their importance in industrial settings.
A Wi-Fi enabled weight scale is an example of what kind of health IoT device?
Answer(s): C
Health IoT Device Categories:Wearable: Devices worn on the body (smartwatches, fitness trackers). Non-wearable: Devices used without being worn (smart scales, connected medical equipment). Implantable: Surgically inserted devices (pacemakers, glucose monitors).
Health IoT: Resources on healthcare + IoT will illustrate device types.
In the simplified three-layer model for wireless IoT, what is the universal primary function of the Perception layer?
Perception Layer: The foundation of an IoT system, it consists of sensors and actuators that:Sense: Collect data about the environment or object being monitored. Actuate: Potentially make changes based on commands (e.g., a smart valve opening/closing). Transmit: Send gathered data to upper layers for processing.
Which one of the following location tracking technologies is most energy efficient in typical implementations?
BLE Beacon Power Efficiency: Bluetooth Low Energy (BLE) beacons are designed for low power consumption. Their primary function is to periodically broadcast short data packets (advertising their presence).Other Technologies:Cellular: More power-hungry due to long-range communication and complex protocols. GPS: Power intensive, especially when actively tracking location.Wi-Fi:
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