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Wi-Fi (UGC/ NET)

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Multiple Choice

Which of the following is incorrect about Wi-Fi technology?

  1. Wi-Fi stands for wireless fidelity.
  2. Wi-Fi also refers to an IEEE standard 802.11.
  3. DCF (Distributed Coordination Function) and PCF (Point Coordination Function) are two general types of Wi-Fi transmission.
  4. Wi-Fi uses infrared to transmit and receive data at high speed.
  5. Wi-Fi offers higher peak data rates than do 3G systems.
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