CWNP Certified Wireless Analysis Professional - CWAP-404 Exam Practice Test
A PHY Header is added to the PSDU at which sub-layer?
Correct Answer: A
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Several users have reported WLAN network connection issues and the users connect to the same AP. These users are spread throughout a 320 square meter area. Using a spectrum analyzer, you see RF energy across the entire 2.4 GHz band at significant signal strength levels.
The users all connect using either HT or ERP devices.
What is the likely cause of this problem within this area?
The users all connect using either HT or ERP devices.
What is the likely cause of this problem within this area?
Correct Answer: A
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You are concerned about attackers gaining access to your WLAN from outside the facility.
Why does reducing the output power on the APs not provide sufficient certainty that an attacker outside the facility cannot gain access?
Why does reducing the output power on the APs not provide sufficient certainty that an attacker outside the facility cannot gain access?
Correct Answer: D
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A client is operating in an unstable RF environment. Out of five data frames transmitted to the client it only receives four. The client sends a Block Ack to acknowledge the receipt of these four frames but due to frame corruption the Block Ack is not received by the AP. Which frames will be transmitted?
Correct Answer: C
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You are attempting to work through a user complaint with the CWNP-recommended troubleshooting methodology.
What must be clearly identified in order to reduce the number of possible causes at step three?
What must be clearly identified in order to reduce the number of possible causes at step three?
Correct Answer: B
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An HT STA does not receive an ACK for a first-attempt data frame that it transmitted. Assuming this STA is not using BlockAcks in this case, what happens to the HT STA's EDCA contention window?
Correct Answer: B
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As the WLAN engineer in your organization, you must troubleshoot performance problems related to co- channel interference (CCI).
What is a good measurement of CCI impact in addition to the number of APs seen on a channel?
What is a good measurement of CCI impact in addition to the number of APs seen on a channel?
Correct Answer: A
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Finish the statement. It is possible to distinguish between _______and ______20 MHz transmissions when looking at an FFT plot.
Correct Answer: A
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How many frames are exchanged for 802.11 authentication in the 6 GHz band when WPA3- Enterprise is not used, and a passphrase is used instead?
Correct Answer: A
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You are performing a multiple adapter channel aggregation capture to troubleshoot a VoIP roaming problem and would like to measure the roaming time from the last VoIP packet sent on the old AP's channel to the first VoIP packet sent on the new AP's channel. Which timing column in the packet view would measure this for you?
Correct Answer: C
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According to 802.11-2007, in what frame type(s) might you find the PMK Count and PMKID List fields?
Correct Answer: B
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