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
Answer: C
Explanation:
NFC (Near Field Communication) is a technology used for short-range wireless communication between devices, typically used for contactless payments and authentication. In this scenario, the 13.56MHz frequency short band was implemented, and users can authenticate using their mobile devices, which requires NFC to be enabled on the device. References: CompTIA A+ Certification Exam Objectives 220-1001 – Mobile
device network and device synchronization – 4.4
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