QuestionQ203

Privacy in Technology

Which technology is most suitable for the app’s contact-tracing feature?

  • A Bluetooth
  • B Deep learning
  • C Near Field Communication (NFC)
  • D Radio-Frequency Identification (RFID)
Explanation

Bluetooth enables nearby phones to exchange short-range signals and estimate proximity, making it suitable for automated exposure/contact tracing. Apple and Google’s privacy-preserving contact-tracing approach used Bluetooth technology for this purpose.

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