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CWNP CWAP-404 Practice Test - Questions Answers, Page 4

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List of questions

Question 31

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After examining a Beacon frame decode you see the SSID Element has a length of 0. What do you conclude about this frame?

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Question 32

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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 retransmitted'

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Question 33

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In which element of a Beacon frame would you look to identity the current HT protection mode in which an AP is operating?

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Question 34

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When a data frame is encrypted with WPA2, to which portion of the frame is the encryption applied?

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Question 35

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In the 2.4 GHZ band, what data rate are Probe Requests usually sent at from an unassociated STA?

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Question 36

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You are troubleshooting a client that is experiencing slow WLAN performance. As part of the troubleshooting activity, you start a packet capture on your laptop close to the client device. While analyzing the packets, you suspect that you have not captured all packets transmitted by the client. By analyzing the trace file, how can you confirm if you have missing packets?

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Question 37

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The PHY layer provides framing by adding a header to create what type of data unit?

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Question 38

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What is the function of 802.11 Management frames?

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Question 39

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What should the To DS and From DS flags be to set to in an Association Response frame?

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Question 40

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An RTS frame should be acknowledged by which frame?

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Total 60 questions
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Related questions

Finish the statement: It is possible to distinguish between_______22 MHz transmissions and________20 MHz transmissions when looking at an FFT plot.
When performing protocol analysis, you notice a high number of RTS/CTS frames being transmitted on an HT network. You suspect this may be due to HT protection mechanisms. Where in the Beacon frame would you look to determine which one of the four HT protection modes the AP is operating in?
You have installed a new 802.1 lac WLAN configured with 80 MHz channels. Users in one area are complaining about poor performance. This area is currently served by a single AP. You take a spectrum analysis capture in the poor performing are a. While examining the waterfall plot you notice the airtime utilization is higher on the first 20 MHz of the 80 MHz channel when compared to the rest of the channel. What do you conclude?
Given: The Frame Check Sequence (FCS) is a 32 CRC used for error detection. The CRC is calculated over what?
Why would a STA that supports 802.11k Radio Measurement send a Neighbor Request to an AP?
Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?
Which piece of information is not transmitted in an HT PPDU header?
What is an AIFS?
Protocol analyzers may present field values in either binary, decimal or hexadecimal. What preceeds a hexadecimal value to indicate it is hexadecimal?
ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interfere with the existing WLAN and has asked you to investigate the impact of the two systems operating simultaneously in the 2.4 GHz band. When performing Spectrum Analysis, which question could you answer by looking at the FFT plot?