CWAP-403 Practice Questions

Which one of the following should be the first step when troubleshooting a WLAN issue?

Which one of the best following is an advantage of using display filters instead of capture-time filters?

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

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

How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP?

Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?

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?

In a Spectrum Analyzer the Swept Spectrogram plot displays what information?

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 onsite to perform a survey and confirmed good primary and secondary coverage across the facility. As a CWAP you are called in to perform Spectrum Analysis to identify any interference sources. From the spectrum analysis, you did not identify any interference sources but were able to correctly identify the issue. Which of the following issues did you identify from the spectrum analysis?

Where, in a protocol analyzer, would you find an indication that a frame was transmitted as part of an AMPDU?