How many non-overlapping 20 MHz channels are available in the 5 GHz frequency band assuming the regulatory domain allows them all?
How many non-overlapping 20 MHz channels are available in the 5 GHz frequency band assuming the regulatory domain allows them all?A . 11B . 25C . 24D . 14View AnswerAnswer: C
What is one possible cause of mobility problems in a wireless network if the fast roaming method used by the client is not supported by the access point?
What is one possible cause of mobility problems in a wireless network if the fast roaming method used by the client is not supported by the access point?A . Configuration errorsB . Improper network settingsC . Unsupported fast roaming methodsD . Non-implemented roaming featuresView AnswerAnswer: C
Which device type is typically characterized by its larger size, stationary nature, and greater processing power?
Which device type is typically characterized by its larger size, stationary nature, and greater processing power?A . LaptopsB . TabletsC . Mobile phonesD . DesktopsView AnswerAnswer: D
Which process in the WLAN connection sequence establishes the encryption keys between the client device and the access point?
Which process in the WLAN connection sequence establishes the encryption keys between the client device and the access point?A . AuthenticationB . AssociationC . 802.1X/EAP authenticationD . 4-way handshakeView AnswerAnswer: D
What are the basic steps involved in the WLAN connection process for 802.11 wireless networks?
What are the basic steps involved in the WLAN connection process for 802.11 wireless networks?A . Authentication, Association, 802.1X/EAP authenticationB . Passive scanning, Active scanning, 4-way handshakeC . Authentication, Association, 4-way handshakeD . Passive scanning, Active scanning, 802.1X/EAP authenticationView AnswerAnswer: C
Which security problem can occur if the network key used for authentication during the join process in a wireless network is incorrect?
Which security problem can occur if the network key used for authentication during the join process in a wireless network is incorrect?A . Configuration errorsB . Incorrect passphrasesC . Incompatible EAP methodsD . Incorrect join keysView AnswerAnswer: D
What best describes passive scanning used to locate WLANs?
What best describes passive scanning used to locate WLANs?A . Listening for beacon frames from the APsB . Scanning in only on frequency bandC . Sending probe requests and listening for probe responsesD . Scanning on only one channelView AnswerAnswer: A
What antenna would be best for a long distance (more than 5 kilometers) bridge link?
What antenna would be best for a long distance (more than 5 kilometers) bridge link?A . PanelB . Parabolic dishC . PatchD . OmnidirectionalView AnswerAnswer: B
How many channels are available in the 2.4 GHz frequency band in all regulatory domains?
How many channels are available in the 2.4 GHz frequency band in all regulatory domains? A . 3B . 14C . 13D . 11View AnswerAnswer: B
What is the most likely cause of this problem?
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...