Internet of Things (IoT) Practice Exam

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In an IoT smart home system, which is the best option for connecting sensors requiring a high data rate?

Bluetooth
6LoWPAN
WiFi
LoRa

The correct answer is: WiFi

In an IoT smart home system, selecting the best option for connecting sensors that require a high data rate points to WiFi as the most suitable choice. WiFi technology operates on higher bandwidths, typically offering several megabits per second, which is essential for applications that need to transmit large amounts of data quickly and consistently. This makes WiFi particularly effective for devices such as high-definition cameras, smart TVs, or any sensors that need to transfer large data packets. The infrastructure of a WiFi network is generally well-established in most homes, allowing for easy integration of devices. In contrast, other technologies like Bluetooth are optimized for short-range, low-power connections and typically support lower data rates, making Bluetooth less ideal for high data rate applications. Similarly, 6LoWPAN is designed for low-power and low-bandwidth applications, specifically targeting devices that require minimal data transmission. LoRa is also focused on long-range connectivity but is suited for very low data rates, making it inappropriate for high-demand sensor connections. This differentiation in capabilities based on data rate requirements makes WiFi the clear choice for connecting sensors in smart home systems that require a high data rate.