ITPEC IP October 2023 Question 87
ITPEC IP October 2023 — Question 87 of 100
RFID uses radio communication to identify and exchange data with tags or contactless IC cards and is standardized internationally. A reader communicates with a tag or card without direct electrical contact; applications include transport tickets, access cards, inventory tags, logistics, and electronic payment.
Answer (b)
Why not others:
- (a) IrDA uses short-range infrared light and generally needs a clear directional path
- (c) Bluetooth is a short-range personal-area wireless networking technology
- (d) Wi-Fi provides wireless local-area networking
Key rule: Contactless identification cards and tags are RFID applications; Bluetooth and Wi-Fi connect general-purpose network devices.
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