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:

Question

CollectorBabu · Accepted Answer

Correct Answer: 1 and 3 only. Near field communication is a wireless communication technology based on electromagnetic radio fields and devices communication such as smartphones or tablets. This statement clearly satisfies statement 1 in the question. Statement 2 is incorrect as NFC works from 4 cm to 10 cm, so this eliminates options A and D. Statement 3 is correct as NFC establishes secure channel and encrypt sensitive information while sending just like credit card numbers. While encrypting credit cards information, subway tickets and paper coupons on single device, customer will able to travel in train and can exchange his details through smartphone. Since both statements 1 and 3 are correct, so the best option is C.

Contact Information

Services