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.
- A. 1 and 2 only
- B. 3 only
- C. 1 and 3 only
- D. 1, 2 and 3
Answer: C
Explanation
Near field communication (NFC) is the set of protocols that enables electronic devices to establish radio communication with each other by touching the devices together or bringing them into proximity to a distance of typically 10cm or less. So only statement 1 and 3 are correct.