Which of the following has to be enabled for the mobile device to authenticate?

A user failed to gain access to a building’s entrance after security measures at the entrance were upgraded last week. The company implemented the 13.56MHz frequency short band, and users can now utilize their mobile devices to authenticate .

Which of the following has to be enabled for the mobile device to authenticate?
A . Bluetooth
B. Biometrics
C. NFC
D. PIN

View Answer

Answer: C