Question
With reference to ‘Li-Fi', 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 ‘Wi-Fi'.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Answer:
C
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Explanation:
It uses light as the medium for high-speed data transmission: This statement is correct. Li-Fi, which stands for "Light Fidelity," is a wireless communication technology that uses light to transmit data. It utilizes light-emitting diodes (LEDs) to send data at high speeds.
It is a wireless technology and is several times faster than 'Wi-Fi': This statement is also correct. Li-Fi is considered to be several times faster than traditional Wi-Fi technology. It can achieve higher data transfer rates by using visible light communication.