Which of these laptop communications methods requires line-of-sight to work properly?
A) 802.11
B) Bluetooth
C) Infrared
D) Modem
E) CW
The answer: C) Infrared
Infrared connections allow for wireless communications to external devices, but it requires a clear line of sight between the laptop and the peripheral.
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Want to know more? Watch “Laptop Communications.”Today’s laptops employ many communications methods that use many different technologies. In this video, you’ll learn about Bluetooth, infrared, mobile broadband, Ethernet, and modems. |
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