Practice Quiz

CompTIA A+ 220-901

Category - Mobile Devices

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What is the main difference between Bluetooth and infrared connections?
  1. Infrared requires two devices to have point-to-point visible connection
  2. Bluetooth requires two devices to have point-to-point visible connection
  3. Bluetooth is not as reliable as infrared
  4. Infrared is not as reliable as Bluetooth
Explanation
Answer: A - The main difference between Bluetooth and infrared is that infrared requires a point-to-point visible connection.

Infrared is not used as much anymore, because it requires both devices to be in visible proximity of each other. Bluetooth is a wireless connection that requires proximity but they do not need to be visible.
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