Free CWNP CWNA-109 Exam Questions

Become CWNP Certified with updated CWNA-109 exam questions and correct answers

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Total 128 Questions | Updated On: Feb 19, 2026

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Question 1

You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?

A : Laptop-based spectrum analyzer

B : Access point spectrum analyzer

C : Throughput tester

D : Wi-Fi scanner

Answer: B

Question 2

You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?

A : All clients implement single spatial stream radios

B : The AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth

C : The clients are all 802.11n STAs or lower

D : The short guard interval is also enabled.

Answer: C

Question 3

In a long-distance RF link, which statement about Fade Margin is true?

A : The Fade Margin of a long-distance radio link should be equivalent to the receiver’s low noise filter gain.

B : A Fade Margin is unnecessary on a long-distance RF link if more than 80%

C : Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading

D : The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance

Answer: C

Question 4

Which two statements about line-of-sight communication are true? (Choose two.)

A : A signal might reflect on an object and be successfully received in a place from which the sender cannot be seen

B : For a 6-foot person, the horizon appears at about 6 miles.

C : Visual obstacles always prevent adequate line of sight.

D : Visual line of sight is necessary for good signal transmission.

E : The distance between the sender and receiver must be at least 25 miles apart for earth curvature to play a role in the quality of outdoor links

Answer: A,B

Question 5

You are evaluating access points for use in the 5 GHZ frequency band. What PHY supports this band and supports 80 MHz channels?

A : HT

B : VHT

C : OFDM

D : ERP

Answer: B

Page: 1 / 26

Total 128 Questions | Updated On: Feb 19, 2026

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