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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.

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. Correct Answer 1 and 3 only

The correct answer is 1 and 3 only.

Key Points

  • Near Field Communication (NFC) is a contactless communication technology based on an electromagnetic radio frequency (RF). Hence, Statement 1 is correct.
  • It uses a base frequency of 13.56 MHz.
  • NFC technology is perfectly designed to exchange data between two devices through a simple touch gesture.
  • NFC technology is designed for an operating distance of a few centimetres. Hence, Statement 2 is incorrect.
  • This makes it more difficult for attackers to record the communication as compared to other wireless technologies which have a working distance of several meters.
  • NFC can use encryption when sending sensitive information. Hence, Statement 3 is correct.

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