A Technician Needs to Give Users the Ability to Transfer

Multiple Choice

A technician needs to give users the ability to transfer files between mobile devices. The technician teaches the staff how to use a file transfer method in which the devices need to be in close proximity with line-of-sight access to each other. Which of the following technologies is the technician teaching to the staff?

A) IR
B) Bluetooth
C) Tethering
D) NFC