You have been hired to troubleshoot a WLAN problem for a government organization. You intended to use a Protocol Analyzer as part of your troubleshooting methodology; however, the customer is concerned about you capturing sensitive data transmitted over the network. Which common protocol analyzer feature could you use to address this concern?

• A.Forensics capture
• B.Expert analysis
• C.Data masking
• D.Packet slicing

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You suspect an interfere may exist in a BSS that is experiencing sporadic problems. You want to identify and locate the device. The actual device identify is not known.
What tool should be used for this purpose?

• A.Protocol analyzer
• B.Cable tester
• C.Throughput tester
• D.Spectrum analyzer

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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?

• A.Access the microwave remotely and run a diagnostic check
• B.Ask a local member of staff to take some pictures of the microwave, including some close-ups of the door seal so that you can assess it
• C.Place one of the London APs into spectrum analyzer mode and monitor the situation over lunch time
• D.Ask a local member of staff to change the frequency of the microwave and see if the disconnections stop

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When a client station operating under EDCA sends an RTS frame and NAV protection is desired for only the first or sole frame in the TXOP, the duration field will contain an amount of time, measured in microseconds, equal to which of the following?

• A.1 RTS, 2 ACK, 1 DATA, 4 SIFS
• B.1 RTS, 1 ACK, 1 DATA, 2 SIFS, 1 DIFS
• C.The entire duration of the TXOP
• D.1 CTS, 2 ACK, 1 DATA, 2 SIFS
• E.1 RTS, 1 CTS, 2 ACK , 1 DATA, 4 SIFS
• F.1 CTS, 1 ACK, 1 DATA, 3 SIFS

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During a successful FT over-the-DS roam, which 802.11 frames are transmitted between the client and the new AP?

• A.Reassociation Request and Reassociation Response
• B.2 Authentication Frames, Reassociation Request and Reassociation Response
• C.2 Authentication Frames, Reassociation Request, Reassociation Response and 4-Way Handshake
• D.2 Authentication Frames, Reassociation Request, Reassociation Response, 802.1X/EAP exchange and 4-Way handshake

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