UPSC Civil Services Prelims 2015
Question 39 of 55Science

With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct? 1. It is a contactless communication technology that uses electromagnetic radio fields. 2. NFC is designed for use by devices which can be at a distance of even a metre from each other. 3. NFC can use encryption when sending sensitive information. Select the correct answer using the code given below.

A1 and 2 only
B3 only
C1 and 3 only
D1, 2 and 3

Correct Answer

The correct answer is hidden

Explanation

37 words hidden ... usually within a few centimetres, not as far as a metre. Hence Statement 2 is hidden. NFC can support secure ... 35 words hidden

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