Science and Technology
2016
Information Technology
Communication Technology
UPSC Practice Question
With reference to ‘Li-Fi’, recently in the news, which of the following statements is/are correct?
- It uses light as the medium for high-speed data transmission.
- It is a wireless technology and is several times faster than ‘WiFi’.
Select the correct answer using the code given below.
A.1 only
D.Neither 1 nor 2
B.2 only
C.Both 1 and 2