Practice Quiz

CWNA Wireless Network Administrator - Question List

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6. John is a consultant installing a wireless LAN that will connect four buildings that are 100 meters apart. Which of the following antennas should he use?
  1. 4 patch antennas
  2. 2 parabolic dish antennas and 2 Yagi antennas
  3. 1 dipole and 3 patch antennas
  4. 4 panel antennas
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7. You are performing an outdoor installation of an Omni-directional antenna. Which of the following will you need to do to ensure a proper installation?
  1. Install a lightning arrestor to protect against transient currents.
  2. Check if any electrical sources are present close to the area of installation.
  3. Check that visual LOS exists with the other antennas in the installation.
  4. Avoid touching the cable connections in the series to prevent mis-configuration.
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8. Which of the following is not a hardware or software option on a wireless bridge?
  1. Fixed antennas
  2. Full-duplex radio links
  3. Advanced filtering capabilities
  4. Removable radio cards
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9. Which of the following statements is true about PoE devices from different manufacturers?
  1. They always use the same unused pairs for sending current.
  2. They are guaranteed to interoperate with devices from other vendors.
  3. They use the same output voltage.
  4. They may cause damage to devices from other vendors.
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10. A wireless LAN installation has a 50-meter cable running between access point and a highly-directional antenna. The output signal sent and received is very weak at each end of the link. Which of the following devices should you add to the configuration to fix the problem?
  1. Uni-directional amplifier
  2. Uni-directional attenuator
  3. Bi-directional amplifier
  4. Bi-directional attenuator
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