Internet of Things (IoT) Practice Exam

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Which statement is incorrect regarding bandwidth and range?

NFC has low bandwidth and low range
Bluetooth has low bandwidth and low range
LoRa has low bandwidth and low range
Mobile 4G/LTE has low bandwidth and low range

The correct answer is: Mobile 4G/LTE has low bandwidth and low range

The statement that mobile 4G/LTE has low bandwidth and low range is not accurate because 4G/LTE technology is designed to provide high-speed data transmission over long distances. In terms of bandwidth, 4G/LTE offers significantly higher data rates than many other wireless communication technologies, often reaching speeds in the range of tens of Mbps to several hundred Mbps. This makes it suitable for a wide variety of applications, including video streaming and real-time communications. Additionally, the range of 4G/LTE networks can extend several kilometers from a cell tower, depending on environmental factors and the density of the network. This range capability supports urban, suburban, and even some rural connectivity, making it a versatile choice for mobile telecommunications. The misconception arises from comparing 4G/LTE to technologies with inherently lower capabilities, such as NFC and Bluetooth, which are designed for short-range communications with lower data rates.