Networking Devices Quiz
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Questions and Answers

What is the maximum distance between devices in a wireless personal area network (WPAN)?

  • 175 feet
  • There is no maximum distance for a WPAN (correct)
  • 3 city blocks
  • 33 feet

    • Which of the following statements is true regarding Bluetooth?

  • It was originally designed to replace wires with radio-based technology (correct)
  • It consumes a large amount of power
  • It is a WWAN technology
  • It cannot support ad hoc connections

    • What are the typical transmission speeds for WLANs?

  • 11 Mbps
  • 600 Mbps
  • 54 Mbps
  • 108 Mbps (correct)

    • Which of the following is an example of a WMAN technology?

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

    What is a cellular wireless data network technology that allows users to access the Internet?

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

    Which wireless network has a maximum speed of 350 Mbps and a coverage area of 350 feet?

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

    What type of network interface allows connection by cable to a standard wired network?

    <p>Switch access point</p> Signup and view all the answers

    Which type of access point does not need individual cable connections but instead communicates wirelessly with the next closest device?

    <p>Mesh access point</p> Signup and view all the answers

    What is the purpose of a wireless workgroup bridge?

    <p>Connect a wired network segment with a wireless network segment</p> Signup and view all the answers

    What term is used to describe an up-and-down wave illustrating cycles?

    <p>Oscillating signal</p> Signup and view all the answers

    What is the distance between peaks of an electromagnetic wave called?

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

    What is a million cycles per second referred to as?

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

    What organization certifies that wireless products adhere to the IEEE standards to ensure product interoperability?

    <p>Wireless Ethernet Compatibility Alliance (WECA)</p> Signup and view all the answers

    Which of the following is not an advantage of standards?

    <p>Increased costs</p> Signup and view all the answers

    What type of standards are those set by an official body called?

    <p>De jure</p> Signup and view all the answers

    In the current IEEE WLAN standard, what is the IEEE standard number?

    <p>IEEE 802.11-2009</p> Signup and view all the answers

    According to IEEE 802.11, what can be used in a WLAN for transmission?

    <p>Infrared light</p> Signup and view all the answers

    What type of data rate is not associated with IEEE 802.11b?

    <p>54 Mbps</p> Signup and view all the answers

    What is the purpose of RSSI according to the text?

    <p>To not be used as it was intended</p> Signup and view all the answers

    What can cause an RF signal to be 'soaked up'?

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

    What is the difference between refraction and diffraction?

    <p>With refraction, the medium causes the signal to bend; diffraction is caused by an object in the path</p> Signup and view all the answers

    What is Free Space Path Loss (FSPL) caused by?

    <p>Loss of signal strength as it travels</p> Signup and view all the answers

    What is a picosecond?

    <p>One billionth of a second</p> Signup and view all the answers

    What occurs when a multipath signal arrives 180 degrees out of phase?

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

    What kind of unit of data has been passed down from a higher OSI layer to a lower layer but has not yet been encapsulated by that lower layer?

    <p>Service Data Unit (SDU)</p> Signup and view all the answers

    What is a restriction that applies to A-MPDUs?

    <p>All of the A-MPDUs within the single A-MPDU must be addressed to the same receiver</p> Signup and view all the answers

    What is NOT an option for addressing differences in frame size?

    <p>maximum transmission unit splicing (MTUS)</p> Signup and view all the answers

    In which mode will an IEEE 802.11a/b/g device NOT be able to access the AP?

    <p>HT Nonmember Protection</p> Signup and view all the answers

    What type of frames are used to set up the initial communications between a device and the access point?

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

    What happens if a probe request frame contains a null value?

    <p>Only APs with a null SSID will respond</p> Signup and view all the answers

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