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CWNP CWNA-108 Exam
Certified Wireless Network Administrator (Page 2 )

Updated On: 12-Feb-2026
Page 2 of 13
PDF with 75 Questions

An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

  1. Refraction
  2. Warping
  3. Scattering
  4. Reflection

Answer(s): A



What can an impedance mismatch in the RF cables and connectors cause?

  1. Increased range of the RF signal
  2. Fewer MCS values in the MCS table
  3. Increased amplitude of the RF signal
  4. Excessive VSWR

Answer(s): D



What factor does not influence the distance at which an RF signal can be effectively received?

  1. Receiving station’s radio sensitivity
  2. Receiving station’s output power
  3. Transmitting station’s output power
  4. Free Space Path Loss

Answer(s): A



A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element?

  1. 26 dBm
  2. 13 dBm
  3. 23 dBm
  4. 10 dBm

Answer(s): C



In a long-distance RF link, what statement about Fade Margin is true?

  1. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions.
  2. The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.
  3. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.
  4. The Fade Margin of a long-distance radio link should be equivalent to the receiver’s low noise filter gain.

Answer(s): C






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