Identifying short-range communication technologies
Question
Consider the following communication technologies: Which of the above are considered Short-Range devices/technologies?
- 1.
Closed-circuit Television
- 2.
Radio Frequency Identification
- 3.
Wireless Local Area Network
Options
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Explanation
All three classified as short-range technologies. Closed-circuit Television (CCTV) operates on a localized, closed loop. Radio Frequency Identification (RFID) functions over mere centimeters or a few meters (like toll tags). Wireless Local Area Network (WLAN / Wi-Fi) covers a highly localized area like a home or office.
Answer: (d).
Question details
Year
2022
Paper
GS Paper 1
Question
Q36
Subject
Science & Technology
Sub-topic
Computing, AI & IT
Type
Statement-based
Difficulty
Easy
Nature
Static
Source hint
National Frequency Allocation Plan / Short-Range Device Regulations
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