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UPSC Prelims GS - 2022
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Question 36
EASY
Correct:
+2
Incorrect:
-2
Consider following communication the technologies:
1. Closed-circuit Television
2. Radio Frequency Identification
3. Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies?
a
1 and 2 only
b
2 and 3 only
c
1 and 3 only
d
1, 2 and 3
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