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 codes given below

1. A

   1 and 2 only

   (a) 1 and 2 only. NFC is short-range radio communication, but the design range is a few centimetres, not a metre. Statement 2 is false, so this pair fails.

2. B

   3 only

   (b) 3 only. Encryption of sensitive NFC payloads is possible, but statement 1 is also correct. 3 only is incomplete.

3. C

   1 and 3 only

   (c) 1 and 3 only. NFC uses electromagnetic radio fields for contactless links and can encrypt sensitive data. Typical range is about 4 cm (order of centimetres), not a metre. 1 and 3 only is the official key.

4. D

   1, 2 and 3

   (d) 1, 2 and 3. Statement 2’s one-metre claim is wrong, so the full set is not the key.

Summary. Official key is (c) 1 and 3 only. Near Field Communication is contactless radio over a few centimetres and can use encryption. It is not specified for devices a metre apart. Statement 2 therefore drops. The keyed pair is 1 and 3.