Wireless Networking Protocols Comparison Quiz

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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?

24 Signup and view all the answers

What measurements are used to differentiate Wi-Fi standards?

Speed and Frequency Signup and view all the answers

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

Wi-Fi Signup and view all the answers

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

RFID tag or label Signup and view all the answers

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

ISM and UNII Signup and view all the answers

NFC wireless devices communicate effectively within what range?

4 cm Signup and view all the answers

What is a characteristic of IEEE 802.11ah standard?

Operates on a 1-GHz band Signup and view all the answers

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

802.11ax Signup and view all the answers

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

28 GHz Signup and view all the answers

What is a benefit of using a licensed RF band?

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

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

Two or three miles Signup and view all the answers

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

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

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

2.1 - 2.48 GHz Signup and view all the answers

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

Bluetooth LE Signup and view all the answers

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

5 GHz Signup and view all the answers

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

By direct 'pairing' Signup and view all the answers

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

Wireless LAN Signup and view all the answers

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

Available for use by machinery like welders and heaters Signup and view all the answers

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

802.11b and 802.11g Signup and view all the answers

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

Other household devices also use the same frequencies Signup and view all the answers

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

UNII-1, UNII-2, and UNII-3 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?

They are non-overlapping channels Signup and view all the answers

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

2.4-GHz and 5-GHz Signup and view all the answers

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

International Telecommunication Union (ITU) Signup and view all the answers

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

Developing worldwide technical standards Signup and view all the answers

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

Contactless payment systems Signup and view all the answers

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

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

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

2.4 GHz to 2.5 GHz Signup and view all the answers

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

RFID tag Signup and view all the answers