What is defined as the bending of an RF wave as it passes through a medium? Select one:
A. Reflection
B. Refraction
C. Absorption
D. Scattering
How many non-overlapping channels are available in regulatory domains in the 2.4 GHz frequency band? Select one:
A. 14
B. 1
C. 3
D. 11
What antenna would be best for a long distance (more than 5 kilometers) bridge link? Select one:
A. Panel
B. Parabolic dish
C. Patch
D. Omnidirectional
What kind of antenna chart shows the radiation pattern of an antenna from the side view of that antenna?
A. Top-down
B. Azimuth
C. Horizontal
D. Elevation
What EAP method is supported on most operating systems without additional installation requirements?
A. EAP-GTC
B. EAP-FAST
C. EAP-TLS
D. LEAP
You have recently changed the passphrase used with WPA2 in several APs and have reconfigured clients for the new passphrase. Now, a few clients are unable to connect to those APs. Most clients can connect to them just fine. What is the likely problem?
A. The APs have the wrong new passphrase
B. The working clients have the wrong passphrase
C. The problem clients are not 802.11-capable
D. The problem clients have the wrong passphrase
You have implemented an 802.11 security solution that requires certificates. What are you using?
A. WEP
B. WPA2-Enterprise
C. WPA-Personal
D. WPA2-Personal
EAP-TLS is used for 802.1X/EAP authentication on your WLAN. What must be installed on all client devices that connect using this method?
A. RADIUS shared secret
B. RADIUS IP address
C. Certificate
D. EAP-TLS DLL
A user reports that his laptop was rebooted this morning and now he cannot connect to the WLAN. No other users are reporting connection problems in his work area. No network configuration changes have been made. Which one of the following is the most likely issue?
A. The driver was updated and the new version is problematic
B. The network SSID has changed
C. Wrong passphrase entered for WPA2 on his laptop
D. The AP is not allowing his laptop onto the network because it was rebooted and the reboot changed the MAC address
You configured an AP for 802.1X/EAP authentication. You also configured several clients for the same. The clients cannot authenticate to the WLAN. When you look at the RADIUS server logs, you see that no authentication attempts have been made. Other services use the same RADIUS server without problems. At what location should you check the configuration for errors?
A. Clients
B. AP
C. None of these
D. RADIUS Server
