With reference to 'LiFi', recently in the news, which of the following statements is/are correct? 1. It uses light as the medium for high-speed data transmission. 2. It is a wireless technology and is several times faster than 'WiFi'. Select the correct answer using the code given below.
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Answer & Solution
Correct answer: C. Both 1 and 2
UPSC CSE Prelims 2016 (GS-I, Set A), Q.5. Answer key: C (coaching consensus; UPSC did not publish an official 2016 AK separately on upsc.gov.in).
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