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CWNA-108 by Cwnp - Page 1 | ExamCademy

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Question 1

Question 2

Question 3

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

Question 4

What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

A OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.
B OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.
C OFDM modulation is used only in 5 GHz 802.11 transmissions.
D OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.

Question 5

You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11-2016 standard that was not available before the ratification of 802.11 ac?

A 56
B 161
C 153
D 144

Question 6

An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?

A Devices will be released based on the draft amendment and the draft amendment features are part of the standard.
B No impact: Until an amendment is ratified, it does not become part of the standard.
C No impact: Draft amendments do not become part of the standard until a working group is formed.
D The standard is changed to reflect the new capabilities as soon as an amendment enters the draft stage.

Question 7

What best describes WPA2 in relation to 802.11 wireless networks?

A WPA2 is the standard that defines security for WLANs.
B WPA2 is a certification created by the Wi-Fi Alliance that validates devices correctly implement CCMP/AES.
C WPA2 is the second version of WPA and it enhances security through the use of TKIP instead of WEP.
D WPA2 is specified in the 802.11 standard as implementing CCMP/AES.

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Know a question that should be here? Contribute to this exam

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

A Laptop-based spectrum analyzer
B Access point spectrum analyzer
C Wi-Fi scanner
D Throughput tester

Which IEEE 802.11 physical layer (PHY) specification includes support for operation in the 2.4 GHz, 5 GHz, and 6 GHz bands?

A HT (802.11n)
B HR/DSSS (802.11b)
C VHT (802.11ac)
D HE (802.11ax)