CWNP CWNA-109 Practice Exams
Last updated on Oct 23,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 23,2026
In the United States, 802.11 radios were not allowed to transmit on which range of frequencies to avoid interference with Terminal Doppler Weather Radar (TDWR) systems?
- A . 5.15 GHz − 5.25 GHz
- B . 5.25 GHz − 5.25 GHz
- C . 5.60 GHz − 5.65 GHz
- D . 5.85 GHz − 5.925 GHz
Select the units of comparison (relative). (Choose all that apply.)
- A . dBm
- B . dBi
- C . Decibel
- D . dBd
- E . Bel
A WLAN transmitter that emits a 200 mW signal is connected to a cable with 3 dB loss.
If the cable is connected to an antenna with 10 dBi gain, what is the EIRP at the antenna element?
- A . 10 dBm
- B . 13 dBm
- C . 20 dBm
- D . 26 dBm
- E . 30 dBm
You are being interviewed by ABC Company for employment as a wireless site survey expert. The interviewing manager asks you what items should be included in a site survey report generated as part of a manual site survey process.
What answer would be accurate? (Choose 2)
- A . Itemized list of equipment, licenses, and support contracts required for the facility
- B . RF heat map illustrating coverage and signal quality for each frequency band
- C . Documentation proving proper entry of wall material types into the site survey software
- D . Documentation noting where each access point will be placed and how it will be mounted
- E . Documentation noting how each WLAN user group will authenticate to the network
Which two 802.11 topologies require the use of an AP?
- A . IBSS
- B . BSS
- C . PBSS
- D . ESS
What statement about 802.11 WLAN performance is true?
- A . In modem networks, both centralized and distributed data forwarding work well for most standard office deployments
- B . In most WLANs, no special skill or tuning is required to get peak performance
- C . WLANs perform better as more wireless clients connect with each AP
- D . To get the best performance out of an AP, you should disable data rates of 72 Mbps and lower
STAs operating in Infrastructure mode may communicate in which of the following scenarios? (Choose all that apply.)
- A . 802.11 frame exchanges with other STAs via an AP
- B . 802.11 frame exchanges with an AP in scanner mode
- C . 802.11 frame peer-to-peer exchanges directly with other STAs
- D . Frame exchanges with network devices on the DSM
- E . All of the above
The 802.11ac amendment defines a maximum of how many spatial streams for an AP, and how many maximum devices can an AP communicate with at once?
- A . One spatial stream, four devices
- B . One spatial stream, eight devices
- C . Four spatial streams, four devices
- D . Eight spatial streams, four devices
- E . Eight spatial streams, eight devices
Which new power-management method defined by the 802.11n amendment conserves power by powering down all but one radio?
- A . A-MPDU
- B . Power Save protection
- C . PSMP
- D . SM power save
- E . PS mode
Which 802.11ax technology provides for mixing different QoS access categories of data when aggregating 802.11 frames?
- A . OFDMA
- B . Multi-TID AMPDU
- C . MU-MIMO
- D . TWT
- E . SRO