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CWNP CWNA-107 Exam
Certified Wireless Network Administrator (Page 5 )

Updated On: 7-Feb-2026
Page 5 of 33
PDF with 156 Questions

What factor is likely to cause the least impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS?

  1. Increasing or decreasing the number of spatial streams in use by the client station and AP
  2. Implementation of several other clients in the same BSS using 802.11 g radios
  3. Implementing Fast BSS Transition (FT) for roaming
  4. RF interference from more than 10 nearby Bluetooth transmitters

Answer(s): C



What ID is typically mapped to an AP’s MAC address if a single BSS is implemented?

  1. VLAN ID
  2. BSSID
  3. Device ID
  4. SSID

Answer(s): B


Reference:

https://technet.microsoft.com/en-us/library/cc757419(v=ws.10).aspx



What is appended to the end of each 802.11 data frame after the payload?

  1. FCS
  2. Preamble
  3. MAC header
  4. PHY header

Answer(s): A



When an ACK frame is not received by the transmitting STA, what is assumed?

  1. The frame was correctly delivered
  2. The frame was not delivered and must be retransmitted
  3. The receiver is offline
  4. The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled

Answer(s): B



When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?

  1. For each probe request frame, only one AP may reply with a probe response.
  2. Each AP responds in turn after preparing a probe response and winning contention.
  3. Each AP checks with the DHCP server to see if it can respond and then acts accordingly.
  4. After waiting a SIFS, all APs reply at the same time with a probe response.

Answer(s): B






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