QUESTION: 53

What is the final step in an effective troubleshooting process?

Document the results
Disable the WLAN
Notify the users of problem resolution
Verify the solution

Answer(s): A

You are troubleshooting a problem with interference from a non-802.11 device. Given that the device is not a WLAN device, you cannot use a protocol analyzer and have chosen to use a spectrum analyzer. You want to view the signal from the interfering device over time to see the activity that is generating.
What common spectrum analyzer view should you use for this analysis?

Waterfall/Spectrogram
Real-time FFT
APs
Clients

Answer(s): A

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QUESTION: 55

Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?

AP-based spectrum analysis
Laptop-based spectrum analyzers
Overlay WLAN monitoring solution
Laptop-based protocol analyzers

Answer(s): A

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QUESTION: 56

You were previously onsite at XYZ’s facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform a post-deployment validation survey.

When performing this type of post-deployment RF site survey voice over Wi-Fi, what is an action that must be performed?

Spectrum analysis to locate and identify RF interference sources.
Frequency-band hopping analysis to detect improper RF channel implementations.
Protocol analysis to discover channel use on neighboring APs.
Application analysis with an active phone call on an VoWiFi handset.

Answer(s): A

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QUESTION: 56