Wireless Networking Protocols Comparison Quiz
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Questions and Answers

Which organization defines Wi-Fi standards?

  • IEEE (correct)
  • FCC
  • ITU
  • WiFi Alliance

    • How many non-overlapping channels are available for WLAN use in the U.S. according to the FCC?

  • 11 (correct)
  • 8
  • 14
  • 3

    • What is the width of each U.S. channel in the WLAN standard?

  • 7 MHz
  • 2 MHz
  • 4 MHz
  • 5 MHz (correct)

    • How many non-overlapping channels are available for WLAN use in the UNII frequencies?

    <p>24</p> Signup and view all the answers

    What measurements are used to differentiate Wi-Fi standards?

    <p>Speed and Frequency</p> Signup and view all the answers

    Which wireless networking technology requires an intermediary device, such as a router or an access point, for communication?

    <p>Wi-Fi</p> Signup and view all the answers

    In RFID systems, which component emits RF waves that can be received by nearby readers?

    <p>RFID tag or label</p> Signup and view all the answers

    What are the two primary RF spectrums used in SOHO wireless networks as mentioned in the text?

    <p>ISM and UNII</p> Signup and view all the answers

    NFC wireless devices communicate effectively within what range?

    <p>4 cm</p> Signup and view all the answers

    What is a characteristic of IEEE 802.11ah standard?

    <p>Operates on a 1-GHz band</p> Signup and view all the answers

    Which IEEE 802.11 standard is the latest evolution of wireless networking standards as per the text?

    <p>802.11ax</p> Signup and view all the answers

    In what frequency band does LMDS operate in the U.S.?

    <p>28 GHz</p> Signup and view all the answers

    What is a benefit of using a licensed RF band?

    <p>Grants sole right to broadcast on a specific frequency in a defined area</p> Signup and view all the answers

    What is the range limitation for LMDS in the U.S.?

    <p>Two or three miles</p> Signup and view all the answers

    How does the transmission range of IEEE 802.11ah compare to other Wi-Fi WLAN standards?

    <p>It has a longer transmission range due to lower frequency</p> Signup and view all the answers

    What is the frequency range used by Bluetooth devices for data transmission?

    <p>2.1 - 2.48 GHz</p> Signup and view all the answers

    Which Bluetooth type has a lower data transfer rate compared to Bluetooth BR/EDR?

    <p>Bluetooth LE</p> Signup and view all the answers

    What band does Wi-Fi 5, or 802.11ac, operate in?

    <p>5 GHz</p> Signup and view all the answers

    In a personal area network (PAN), how do Bluetooth devices connect with each other?

    <p>By direct 'pairing'</p> Signup and view all the answers

    Which wireless technology needs an intermediary device like a router or an access point for communication?

    <p>Wireless LAN</p> Signup and view all the answers

    Which of the following accurately describes the Industrial, Scientific, and Medical (ISM) bands?

    <p>Available for use by machinery like welders and heaters</p> Signup and view all the answers

    In which IEEE 802.11 standards are ISM bands the basis for communication?

    <p>802.11b and 802.11g</p> Signup and view all the answers

    What is a downside of using ISM bands for wireless communication?

    <p>Other household devices also use the same frequencies</p> Signup and view all the answers

    Which wireless frequency bands are included in the Unlicensed National Information Infrastructure (UNII) bands?

    <p>UNII-1, UNII-2, and UNII-3</p> Signup and view all the answers

    What characteristic makes channels 1, 6, and 11 special within the IEEE 802.11 standards based on ISM bands?

    <p>They are non-overlapping channels</p> Signup and view all the answers

    Which wireless networking frequency bands are commonly used in SOHO networks?

    <p>2.4-GHz and 5-GHz</p> Signup and view all the answers

    Which organization is responsible for providing interference-free transmission across RF bands?

    <p>International Telecommunication Union (ITU)</p> Signup and view all the answers

    What is the primary purpose of the ITU in the context of wireless networking?

    <p>Developing worldwide technical standards</p> Signup and view all the answers

    Which of the following is a common use case for NFC wireless devices?

    <p>Contactless payment systems</p> Signup and view all the answers

    What is the significance of unlicensed frequency bands in SOHO networks?

    <p>No registration or licensing fees are required for their use</p> Signup and view all the answers

    What is the unique frequency range used by Bluetooth for transmission?

    <p>2.4 GHz to 2.5 GHz</p> Signup and view all the answers

    Which of the following is a component of an RFID system?

    <p>RFID tag</p> Signup and view all the answers

    What is the abbreviation for the Wi-Fi standard that has a maximum speed of 9.6 Gbps?

    <p>802.11ax</p> Signup and view all the answers

    Which of the following wireless devices has a maximum range of 4 mm?

    <p>NFC device</p> Signup and view all the answers

    What does EIRP stand for in the context of RF wireless signals?

    <p>Equivalent Isotropic Radiated Power</p> Signup and view all the answers

    Which frequency band do ISM frequencies typically begin with?

    <p>2.4 GHz</p> Signup and view all the answers

    'DHCP' is related to which aspect of RF wireless signals?

    <p>Dynamic Host Configuration Protocol</p> Signup and view all the answers

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