CWNP CWNA-109 Practice Exams
Last updated on Oct 21,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 21,2026
Which type of interference is caused by destructive multipath?
- A . Intersymbol interference
- B . All-band interference
- C . Narrowband interference
- D . Wideband interference
- E . Physical interference
The 802.11u-2011 amendment is also known as what?
- A . Wireless Interworking with External Networks (WIEN)
- B . Wireless Local Area Networking (WLAN)
- C . Wireless Performance Prediction (WPP)
- D . Wireless Access in Vehicular Environments (WAVE)
- E . Wireless Access Protocol (WAP)
Which 802.11ax technologies provide for multi-user communications?
- A . OFDM
- B . OFDMA
- C . MIMO
- D . SU-MIMO
- E . MU-MIMO
- F . TWT
- G . SRO
____________ antennas radiate RF signals in all directions.
- A . Omnidirectional
- B . Semidirectional
- C . Patch antenna
- D . Highly directional
What three cipher suites are specified by the IEEE 802.11-2012 standard? (Choose 3)
- A . Counter Mode with CBC-MAC Protocol
- B . Wi-Fi Protected Access v1 and v2
- C . Internet Protocol Security
- D . Extensible Authentication Protocol
- E . GCM with Galois Message Authentication Code (GMAC) Protocol
- F . Wired Equivalent Privacy
- G . Temporal Key Integrity Protocol
What statements describe industry practices for communication protocols between WLAN controllers and controller-based APs? (Choose 2)
- A . All vendors use the same protocol so that APs will interoperate with WLAN controllers from other vendors.
- B . Some vendors use proprietary protocols, and some vendors use protocols based on public standards like RFCs.
- C . For most vendors, the controller-based APs maintain data and control tunnels with at least two controllers for immediate failover and redundancy.
- D . All vendors support at least one L2 or L3 broadcast protocol for controller discovery by controllerbased APs.
- E . All vendors recommend using L2 (instead of L3) controller discovery and tunneling protocols in large enterprises.
The 802.11-2012 standard was created by which organization?
- A . IEEE
- B . OSI
- C . ISO
- D . Wi-Fi Alliance
- E . FCC
A 3×3:2 MIMO radio can transmit and receive how many unique streams of data?
- A . Two.
- B . Three.
- C . Four.
- D . Three equal and four unequal streams.
- E . None―the streams are not unique data.
Which of the following modulation methods are supported with 802.11ac? (Choose all that apply.)
- A . BPSK
- B . BASK
- C . 32-QAM
- D . 64-QAM
- E . 256-QAM
You were previously onsite at XYZ’s facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform, a post-deployment validation survey.
When performing this type of post-deployment RF site survey voice over Wi-Fi, what is an action that must be performed?
- A . Spectrum analysis to locate and identify RF interference sources.
- B . Frequency-band hopping analysis to detect improper RF channel implementations.
- C . Protocol analysis to discover channel use on neighboring APs.
- D . Application analysis with an active phone call on an VoWiFi handset.