Which wireless technology uses a device-pairing process to communicate and operates over short distances of 100 meters?

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Which wireless technology uses a device-pairing process to communicate and operates over short distances of 100 meters?

Explanation: Wireless networks can be broadly classified as follows:

Wireless wide-area network (WWAN) – It operates in the range of miles.
Wi-Fi – It operates up to distances of 0.18 miles and provides network access to home and corporate users and can include data, voice and video traffic.
Bluetooth – It uses a device-pairing process to communicate over distances of up to 0.05 miles.
GPS - It uses satellites to transmit signals that cover the globe.