2022 Science & Technology - Communication Technologies

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?

  • 1 and 2 only
  • 2 and 3 only
  • 1 and 3 only
  • 1, 2 and 3

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    2022 UPSC Science & Technology PYQ | UPSC Insights | UPSC Insights