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Which one of the following portions of information is communicated in the PHY Header?
Which one of the following portions of information is communicated in the PHY Header?A . Signal strengthB . Date rateC . SNRD . NoiseView AnswerAnswer: D
You’re the WLAN administrator for a large retailer based at the HQ in New York. The London-based office has been complaining about WLAN disconnections around lunch time each day. You suspect this might be interference from the staff microwave, how might you test your theory from the New York office?
You’re the WLAN administrator for a large retailer based at the HQ in New York. The London-based office has been complaining about WLAN disconnections around lunch time each day. You suspect this might be interference from the staff microwave, how might you test your theory from the New York office?A...
Which piece of information Is not transmitted in an HT PDDU header?
Which piece of information Is not transmitted in an HT PDDU header?A . Number of Spatial StreamsB . PPDU lengthC . Channel numberD . MCS indexView AnswerAnswer: D
Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?
Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?A . Supported Rates & Extended Supported Rates elements in a Beacon frameB . In the MBR Action frameC . In the Minimum Basic Rate Element in a Beacon frameD ....
What do you conclude about this frame?
After examining a Beacon frame decode you see the SSID Element has a length of 0. What do you conclude about this frame?A . The frame is corruptedB . This is a common attack on WISP backend SQL databasesC . The beacon is from a BSS configured to hide the...
However, the network team is concerned that this new system will interface 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?
ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interface 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 of the following issues did you identify from the spectrum analysis?
A manufacturing facility has installed a new automation system which incorporates an 802.11 wireless network. The automation system is controlled from tablet computers connected via the WLAN. However, the automation system has not gone live due to problem with the tablets connecting to the WLAN. The WLAN vendor has been...
What do you conclude?
You have installed a new 802.11ac 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 areA. While examining the waterfall plot you notice the airtime...
When performing packet capture (in a non-FT environment) which frames are required in order for PSK frame decryption to be possible?
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?A . AuthenticationB . ReassociationC . 4-Way HandshakeD . Probe...
Which one of the best following is an advantage of using display filters instead of capture-time filters?
Which one of the best following is an advantage of using display filters instead of capture-time filters?A . Display filters allow for focused analysis on just the packets of interestB . Once created display filters are reusable for later capturesC . Display filters only hide the packets from view and...
