CWNP CWNA-109 Practice Exams
Last updated on Oct 24,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 24,2026
What statement about 802.3, Clause 33 Power over Ethernet is true?
- A . When using CAT5 cabling, you increase the maximum draw available to the PD over that available with CAT6.
- B . Only endpoint PSEs are supported.
- C . Only midspan PSEs are supported.
- D . The lowest voltage drop is achieved when using CAT6 cable instead of Cat5 or CAT5e.
What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?
- A . Signal strength of AP beacons received.
- B . PING latency when testing against an Internet server.
- C . FCS errors in frames transmitted to and from the AP.
- D . Throughput speed in Mbps.
What are some of the necessary components of a VoWiFi architecture? (Choose all that apply.)
- A . VoWiFi phone
- B . SIP
- C . WMM support
- D . Proxy server
- E . PBX
What information that comes from the wired network is used to assign traffic into access categories on a WLAN controller?
- A . Duration/ID
- B . 802.1D priority tags
- C . Destination MAC address
- D . Source MAC address
Which two solutions help mitigate peer-to-peer attacks from other clients associated to the same 802.11 access point?
- A . Personal firewall
- B . WPA2 encryption
- C . Client isolation
- D . MAC filter
Which of these methods of MIMO receive diversity is useful when receiving incoming transmissions from a SISO radio?
- A . Space-time block coding (STBC)
- B . Maximal ratio combining (MRC)
- C . Transmit beamforming (TxBF)
- D . Spatial multiplexing (SM)
A WLAN consultant has recommend that a new 802.11n HT network be deployed by using channels in the 5 GHz U-NII bands.
Why would he recommend 5 GHz over 2.4 GHz?
- A . HT radios do not require DFS and TPC in the 5 GHz bands.
- B . HT radios get better range using TxBF in the 5 GHz bands.
- C . 40 MHz channels do not scale in the 2.4 GHz ISM band.
- D . 5 GHz HT radios are less expensive than 2.4 GHz HT radios.
What is appended to the end of each 802.11 data frame after the payload?
- A . FCS
- B . Preamble
- C . MAC header
- D . PHY header
What frequencies are defined for 802.11n (HT) radio transmissions? (Choose all that apply.)
- A . 902C928 MHz
- B . 2.4C2.4835 GHz
- C . 5.15C5.25 GHz
- D . 5.25C5.35 MHz
What are the advantages of using unlicensed frequency bands for RF transmissions? (Choose all that apply.)
- A . There are no government regulations.
- B . There is no additional financial cost.
- C . Anyone can use the frequency band.
- D . There are no rules.