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PW0-100 Wireless LAN Administration, Certified Wireless Network Administrator (CWNA) Questions 121–125 (page: 26)

Updated On: 10-Feb-2026

When packets are queued at the access point for a sleeping station, which of the following takes place for stations to receive their queued packets? (Choose three)

  1. The AP transmits information about which stations have queued packets.
  2. The AP retransmits the packets at an interval until the station receives it and sends acknowledgement.
  3. Stations request their queued packets from the access point.
  4. Stations awake at a pre-known time.
  5. The AP transmits an ATM to the clients to wake them up.

Answer(s): A,C,E



As a signal propagates through space, it tends to degrade as its wave becomes wider with distance.
This phenomenon is called:

  1. Expansion Loss
  2. Free-Space Path Loss
  3. Transmission Obfuscation
  4. Connection-point Attenuation

Answer(s): B

Explanation:

As the transmitted signal traverses the atmosphere its power level decreases at a rate inversely proportional to the distance traveled and proportional to the wavelength of the signal. The formula used by RF Workbench accounts for only the diminishing voltage without accounting for absorption or dispersion by the atmosphere. Click here for a 1-way calculator and here for a 2-way (radar) calculator.



Which of the following statements are true of a peer-to-peer connection using a wireless LAN?

  1. It requires an Access Point to connect two or more wireless clients together.
  2. It requires a Bridge to connect two or more wireless clients together.
  3. It requires both an Access Point and a Bridge to connect the wireless clients.
  4. It does not require an Access Point or a Bridge for the clients to connect to each other.

Answer(s): D



WLAN solutions may include use of as part of the security solution.

  1. 802.1b
  2. CGMP
  3. HSRP
  4. RADIUS

Answer(s): D



Voltage Standing Wave Ratio can be caused by:

  1. Mismatched impedance between devices in series with the main signal.
  2. Reflected DC voltage on the main signal line.
  3. RF signal diffusion or scattering.
  4. Inductance (crosstalk) between adjacent conductors.

Answer(s): A



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