CWNP CWNA-109 Practice Exams
Last updated on Oct 22,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 22,2026
Which multi-user technology is considered optional by the Wi-Fi Alliance? (Choose all that apply.)
- A . Downlink OFDMA
- B . Uplink OFDMA
- C . Downlink MU-MIMO
- D . Uplink MU-MIMO
Which of the following is a better indicator of what outside influences are affecting an RF signal at a specific moment in time?
- A . RSSI
- B . SNR
- C . EIRP
- D . SINR
When determining the mounting height of a long-distance point-to-point antenna, which of the following needs to be considered? (Choose all that apply.)
- A . Frequency
- B . Distance
- C . Visual line of sight
- D . Earth bulge
- E . Antenna beamwidth
- F . RF line of sight
The Wi-Fi Alliance is responsible for which of the following certification programs?
- A . 802.11i
- B . WEP
- C . 802.11-2012
- D . WMM
- E . PSK
Which of the following contains only LLC data and the IP packet but does not include any 802.11 data?
- A . MPDU
- B . PPDU
- C . PSDU
- D . MSDU
- E . MMPDU
What 802.11n mode of operation sends the same data on two adjacent 20 MHz channels?
- A . Greenfield mode
- B . HT Mixed mode
- C . Non-HT duplicate mode
- D . LDPC mode
Which of the following frequency ranges are specified for use by IEEE 802.11 radios? (Choose all that apply.)
- A . 902 – 928 MHz
- B . 2.4000 C 2.4835 GHz
- C . 5.15 C 5.25 GHz
- D . 5.470 C 5.725 GHz
- E . 5.725 C 5.875 GHz
What are some of the key concerns of healthcare providers when installing a wireless network? (Choose all that apply.)
- A . RF interference
- B . Faster access to patient data
- C . Secure and accurate access
- D . Faster speed
Which of the following statements is not true regarding the number of subcarriers in the following channels? (Choose all that apply.)
- A . 40 MHz subcarriers = 2 times 20 MHz subcarriers
- B . 40 MHz subcarriers > 2 times 20 MHz subcarriers
- C . 80 MHz subcarriers = 2 times 40 MHz subcarriers
- D . 80 MHz subcarriers > 2 times 40 MHz subcarriers
- E . 160 MHz subcarriers = 2 times 80 MHz subcarriers
- F . 160 MHz subcarriers > 2 times 80 MHz subcarriers
You are reconfiguring an AP to use the short guard interval.
How long will the new guard interval duration be after the change?
- A . 800 ns
- B . 400 ns
- C . 104 ms
- D . 10 ms