Ethical Hacking Essentials Practice Test

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Which protocol, corresponding to the 802.15.4 standard, transmits long-distance data through a mesh network?

ZigBee
Wi-Fi
LoRaWAN
Bluetooth Low Energy

The correct answer is: ZigBee

The protocol that corresponds to the 802.15.4 standard and is designed for transmitting long-distance data through a mesh network is ZigBee. ZigBee is specifically built for low-power, low-data-rate communications and is highly efficient in creating mesh networks, which allows devices to communicate over longer distances by relaying messages through other devices. This capability is particularly advantageous in applications such as home automation, smart grids, and industrial control. The other options serve different purposes or function under different standards. Wi-Fi is primarily designed for high-speed data transfer over shorter distances and does not inherently support the mesh networking feature in the same way ZigBee does. LoRaWAN operates under a different standard and is more suited for long-range, low-power communications over wide area networks, but it doesn't use the 802.15.4 protocol. Bluetooth Low Energy also focuses on short-range communications and does not provide the built-in support for mesh networking like ZigBee. Thus, ZigBee stands out as the most appropriate choice for the specified criteria in the question.