You administer a small WLAN with nine access point. As a small business, you do not rum a RADIUS server and use WPA2-Personal for security. Recently, you changed the passphrase for WPA2-personal in all Aps and clients. Several users are now reporting the inability to connect to the network at time and it is constrained to one area of the building. When using scanner, you see that the AP covering that area is online

1. A. The AP that covers the problem area requires a firmware update
2. B. The clients are improperly configured
3. C. The AP that covers the problem area has failed
4. D. The AP that covers the problem area is improperly configured

Correct Answer: A

You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?

1. A. Wooden doors
2. B. Carpeted floors
3. C. Elevators
4. D. Cubicle partitions

Correct Answer: D

What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power setting, channels supported, and more?

1. A. ifconflg
2. B. iw phy
3. C. netsh wlan show device
4. D. iwconflg

Correct Answer: D

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?

1. A. Waterfall/Spectrogram
2. B. Real-time FFT
3. C. APs
4. D. Clients

Correct Answer: A

In which plane of the three networking planes is an access point configured by a WLAN controller?

1. A. Control
2. B. Management
3. C. Security
4. D. Data

Correct Answer: B
Reference https://books.google.com.pk/books?id=HQxhBgAAQBAJ&pg=PA343&lpg=PA343&dq=plane+of+the+three+n