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CWNP CWNA-107 Exam
Certified Wireless Network Administrator (Page 4 )

Updated On: 7-Feb-2026
Page 4 of 33
PDF with 156 Questions

An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?

  1. No impact: Until an amendment is ratified, it does not become part of the standard
  2. Devices will be released based on the draft amendment and the draft amendment features are part of the standard.
  3. The standard is changed to reflect the new capabilities as soon as an amendment enters the draft stage.
  4. No impact: Draft amendments do not become part of the standard until a working group is formed

Answer(s): A



You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11-2016 standard that was not available before the ratification of 802.11 ac?

  1. 153
  2. 161
  3. 144
  4. 56

Answer(s): C



What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

  1. OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.
  2. OFDM was first introduced in 802.11 and is used by the ERP, HT and VHT PHYs as well.
  3. OFDM implement BPSK modulation to allow for data rates up to 7 Gbps.
  4. OFDM modulation is used only in 5 GHz 802.11 transmissions.

Answer(s): B


Reference:

http://www.rhyshaden.com/802_11a.htm



Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?

  1. VHT (802.11ac)
  2. OFDM (802.11a)
  3. DSSS (802.11-Prime)
  4. HT (802.11n)

Answer(s): D



An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?

  1. WPAN
  2. Ad-hoc
  3. BSS
  4. IBSS

Answer(s): C






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