Free CWNA-107 Exam Braindumps
Certified Wireless Network Administrator Questions 61–65 (page: 14)

Updated On: 9-Feb-2026

You are evaluating access points for use in the 5 GHZ frequency band. What PHY supports this band and supports 80 MHz channels?

  1. OFDM
  2. HT
  3. VHT
  4. ERP

Answer(s): C


Reference:

https://www.cwnp.com/802-11ac-vht-just-the-facts/



When antenna gain is reported in dBi, the gain of the antenna is compared to what theoretical antenna?

  1. Yagi
  2. Dipole
  3. Rubber ducky
  4. Isotropic radiator

Answer(s): D


Reference:

https://en.wikipedia.org/wiki/Antenna_gain



What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?

  1. DMG
  2. SIG
  3. DSSS
  4. TVHT

Answer(s): C



You are evaluating a connection that states the data rate is 150 Mbps. What is the expected throughput of this connection?

  1. Less than 150 Mbps because of 802.11 overhead and contention
  2. 54 Mbps because that is the actual maximum throughput of an 802.11 connection
  3. More than 150 Mbps because of compression
  4. 150 Mbps because the data rate is equal to the throughput

Answer(s): A



You are configuring an access point to use channel 128. What important fact should be considered about this channel?

  1. It is a 22 MHz channel so it will overlap with the channels above and below it
  2. It is a 2.4 GHz frequency band 40 MHz channel, so it should not be used
  3. It is a channel that is unsupported by most access points
  4. It is a channel that likely requires DFS when used

Answer(s): D



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