Wireless Networks and 802.11ac Standard
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Questions and Answers

What is a common problem experienced with wireless networks?

  • Low data transmission rate (correct)
  • Signal reflection
  • Less interference
  • Easy to control signals

    • What is true of the 802.11ac standard?

  • Transmits on the 2.4GhZ frequency band, uses DSSS and FHSS
  • Transmits on the 2.4 and 5GHz bands, uses OFDM, 1024-QAM (correct)
  • Transmits on the 5GHz frequency band, uses OFDM and QPSK
  • Transmits on the 2.4GhZ band, uses DSSS and OFDM, 256-QAM

    • What is the IEEE name for a single wireless network?

  • ESS
  • IES
  • BSS (correct)
  • IBSS

    • What is the IEEE name for a group of APs connected via Ethernet?

    <p>ESS</p> Signup and view all the answers

    What type of modulation is used in the 802.11ac standard?

    <p>OFDM</p> Signup and view all the answers

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