ITPEC IP October 2020 Question 92
ITPEC IP October 2020 — Question 92 of 100
A library theft-prevention gate can detect IC tags attached to books using radio communication. The tag stores identifying data, and a reader at the gate checks whether an item is authorized to leave, triggering an alert when necessary.
Answer (d)
Why not others:
- POS barcode scanning optically reads printed symbols
- remote medical image transmission uses network communication
- car navigation identifies position mainly through satellite and positioning sensors
Key rule: An IC tag, commonly RFID, stores data electronically and communicates wirelessly with a nearby reader without optical line-of-sight scanning.
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