GyanGramQuestion
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?
PRELIMS 2022 · SCIENCE & TECHNOLOGY
Consider the following communication technologies: 1. Closed-circuit Television 2. Radio…
Attempt this previous-year question. The correct option stays hidden until you choose.
Pick an option to check yourself.
• Correct Answer: D
• CCTV, RFID, and WLAN are all short-range devices/technologies operating within confined or limited geographical areas.
• All three statements correctly classify these as short-range communication technologies.
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