Detailed Answer
(b) The requirement is to identify the wireless technology
that is being used for inventory control that does not require
line-of-sight access to the inventory. Answer (b) is the correct
answer as Radio Frequency Identification (RFID) tags do not
need to be seen by RFID readers to work. Answer (a) is incorrect
as MICR technology requires items (documents) to pass
through a read/write device. Answer (c) is incorrect as touch
screen technology is not considered a wireless technology. Answer
(d) is incorrect as current point-of-sale scanners must “see”
the barcode to read it.
