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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...
What is the function of the PHY Preamble?
What is the function of the PHY Preamble?A . To set the modulation method for the MPDUB . Allows the receiver to detect and synchronize with the signalC . To terminate a conversation between transmitter and receiverD . Carries the NDP used in Transmit Beamforming and MU-MIMOView AnswerAnswer: B
interference source?
Which common feature of a Spectrum Analyzer would be the best to help you locate a non-802.11 interference source?A . Max holdB . Location filterC . Waterfall plotD . Device finderView AnswerAnswer: D
What is the function of the PMD sub-layer?
What is the function of the PMD sub-layer?A . Converts 1s and 0s given to it by the PLCP sub-layer into the appropriate RF signalsB . Provides framingC . Adds a PHY preamble and header to a PSDUD . Performs A-MPDUView AnswerAnswer: A
Finish the statement. It is possible to distinguish between _______and ______20 MHz transmissions when looking at an FFT plot.
Finish the statement. It is possible to distinguish between _______and ______20 MHz transmissions when looking at an FFT plot.A . HR/DSSS and ERPB . ERP and VHTC . HT and VHTD . OFDM and HTView AnswerAnswer: C
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 these is the most important in the WLAN troubleshooting methodology among those listed?
Which one of the these is the most important in the WLAN troubleshooting methodology among those listed?A . Interview the network manager about the issues being experiencedB . Talk to the end users about their experiencesC . Observe the problemD . Obtain detailed knowledge of the wireless vendors debug and...
Which one of the following should be the first step when troubleshooting a WLAN issue?
Which one of the following should be the first step when troubleshooting a WLAN issue?A . Identify capture locationsB . Identify probable causesC . Perform an initial WLAN scan and see if any obvious issues stand outD . Define the problemView AnswerAnswer: D
Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software?
Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software?A . A supported WLAN adaptor with a customized driverB . Any 802.11 wireless adaptorC . A dual radio spectrum analyzer cardD . SNMP read credentials to the WLAN controller or APsView AnswerAnswer: C
802.11k Neighbor Requests and Neighbor Reports are sent in what type of Management Frames?
802.11k Neighbor Requests and Neighbor Reports are sent in what type of Management Frames?A . RRMB . ActionC . BeaconD . Reassociation Request and Reassociation ResponseView AnswerAnswer: C
