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

What device type is configured to respond when a probe request is received in a BSS?

A. Desktop

B. Switch

C. Laptop

D. AP

How many non-overlapping 20 MHz channels are available in the 5 GHz frequency band assuming the regulatory domain allows them all?

A. 11

B. 25

C. 24

D. 14

If the AP's time is not automatically configured to match the rest of the network, what infrastructure service may be unreachable by the AP?

A. DNS

B. DHCP

C. NTP

D. FTP

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

You are configuring WPA2 for use on an AP. What encryption method should be used to ensure the highest security?

A. TKIP/RC4

B. TKIP/AES

C. CCMP/RC4

D. CCMP/AES

You have configured a WLAN profile on a client computer for a hidden SSID network. The SSID operates in both 2.4 GHz and 5 GHz. The profile never connects or even attempts to connect. What is the most likely configuration error in the profile or on the computer?

A. Wrong passphrase

B. Band selection is configured for 5 GHz-only

C. Wrong SSID

D. Band selection is configured for 2.4 GHz-only

You use 802.1X/EAP for all WLAN authentication in your network. You have several VoIP handsets that work well until they have to roam from one AP to another. When they roam, calls are often dropped or call quality is significantly diminished. What is the most likely cause of this problem?

A. Wrong passphrase entered on the VoIP handsets

B. Non-implemented roaming features on the APs

C. Wrong SSID used by the VoIP handsets

D. Wrong certificate installed on the VoIP handsets

When three APs are placed within ten meters of each other and use the same channel, but are not Single Channel Architecture (SCA) APs, what problem will be exaggerated?

A. Non-Wi-Fi interference

B. Antenna misalignment

C. ACI

D. CCI

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