Computer Science · Data Communication and Networking
Which of the following signals/waves is used for short-range communication in a closed area using line-of-sight propagation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Radio waves
- 2Microwaves
- 3Infrared signals✓
- 4Electromagnetic waves
Correct answer
Infrared signals
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