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CWNP CWAP-404 Practice Test - Questions Answers, Page 2

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Question 11

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Which one of the following is an advantage of using display filters that is not an advantage of capture-time filters?

They allow for focused analysis on just the packets of interest
They allow for focused analysis on just the packets of interest
Once created they are reusable for later captures
Once created they are reusable for later captures
They only hide the packets from view and the filtered packets can be enabled for view later
They only hide the packets from view and the filtered packets can be enabled for view later
Multiple of them can be applied simultaneously
Multiple of them can be applied simultaneously
Suggested answer: C
Explanation:

Display filters are applied after the capture is completed and they only hide the packets from view. The filtered packets are still present in the capture file and can be enabled for view later by changing or removing the display filter.This is an advantage over capture-time filters, which discard the packets that do not match the filter criteria and cannot be recovered later34Reference:

CWAP-403 Study Guide, Chapter 2: Protocol Analysis, page 37

CWAP-403 Objectives, Section 2.3: Apply display filters

asked 16/09/2024
Mitesh Patel
51 questions

Question 12

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Using a portable analyzer you perform a packet capture next to a client STA and you can see that the STA is associated to a BSS. You observe the STA sending packets to the AP and the AP sending packets to the ST

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Question 13

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Given a protocol analyzer can decrypt WPA2-PSK data packets providing the PSK and SSID are configured in the analyzer software. When performing packet capture (in a non-FT environment) which frames are required in order for PSK frame decryption to be possible?

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Question 14

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When configuring a long-term, forensic packet capture and saving all packets to disk which of the following is not a consideration?

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Question 15

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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?

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Question 16

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Protocol analyzers may present field values in either binary, decimal or hexadecimal. What preceeds a hexadecimal value to indicate it is hexadecimal?

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Question 17

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Which one of the these is the most important in the WLAN troubleshooting methodology among those listed?

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Question 18

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The network administrator at ABC Engineering has taken a large packet capture from one of their APs running in monitor mode. She has very little knowledge of 802.11 protocols but would like to use the capture file to evaluate the overall health and performance of their wireless network. When she asks your advice, which tool do you recommend she opens the packet capture file with?

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Question 19

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What is used to respond with an uplink transmission to an MU-RTS trigger frame in the 802.11ax PHY?

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Question 20

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Which common feature of a Spectrum Analyzer would be the best to help you locate a non-802.11 interference source?

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