WIRELESS NETWORKS AND MOBILE IP
WIRELESS NETWORKS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A user swipes her smartphone across a tag on a poster to obtain showtimes for a movie she wants to see later that evening. What wireless technology transmitted the data?
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Bluetooth
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WiMAX
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NFC
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Infrared
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Explanation:
Detailed explanation-1: -FHSS is used to take advantage of the 79 channels allocated to the Bluetooth band. NFC requires a clear LOS to function.
Detailed explanation-2: -Satellite Microwave Communication Like Infrared technologies, Microwave technologies require a clear line of sight.
Detailed explanation-3: -Bluetooth relies on short-range radio frequency, and any device that incorporates the technology can communicate as long as it is within the required distance. The technology is often used to allow two different types of devices to communicate with each other.
There is 1 question to complete.