What is the maximum channel width recommended in the 2.4 GHz frequency band for 802.11n devices?
What is the maximum channel width recommended in the 2.4 GHz frequency band for 802.11n devices?A . 80 MHzB . 20 MHzC . 40 MHzD . 10 MHzView AnswerAnswer: B
What tool is provided in most operating systems and in many APs or WLAN routers that can verify proper IP operations?
What tool is provided in most operating systems and in many APs or WLAN routers that can verify proper IP operations?A . IFCONFIGB . PINGC . IWCONFIGD . NETSHView AnswerAnswer: B
Which feature of an 802.11 AP determines the supported wireless frequency bands?
Which feature of an 802.11 AP determines the supported wireless frequency bands?A . PHY and frequency band supportB . Single-band vs. dual-bandC . Output power controlD . Operational modesView AnswerAnswer: A
What is the term used to describe the minimum signal strength required by a device to successfully receive wireless communication?
What is the term used to describe the minimum signal strength required by a device to successfully receive wireless communication?A . Supported channelsB . Channel widthsC . Transmit powerD . Receive sensitivityView AnswerAnswer: D
What are some common causes of mobility problems in wireless networks?
What are some common causes of mobility problems in wireless networks?A . Configuration errorsB . Improper network settingsC . Unsupported fast roaming methodsD . Non-implemented roaming featuresView AnswerAnswer: A
How can a device report the strength of the RF signal it is receiving?
How can a device report the strength of the RF signal it is receiving?A . Wireless scanner toolsB . Client signal strength reportsC . RSSI vs. dBmD . Output power vs. received signal strengthView AnswerAnswer: B
What kind of antenna chart shows the radiation pattern of an antenna from the side view of that antenna?
What kind of antenna chart shows the radiation pattern of an antenna from the side view of that antenna?A . Top-downB . AzimuthC . HorizontalD . ElevationView AnswerAnswer: B
When configuring a standalone AP with a web-based interface, what should be changed to protect the HTTP interface used to manage the AP?
When configuring a standalone AP with a web-based interface, what should be changed to protect the HTTP interface used to manage the AP?A . Admin account passwordB . WPA2 passphraseC . SSIDD . WPA passphraseView AnswerAnswer: A
What is defined as the bending of an RF wave as it passes through a medium?
What is defined as the bending of an RF wave as it passes through a medium?A . ReflectionB . RefractionC . AbsorptionD . ScatteringView AnswerAnswer: B
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?
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 interferenceB . Antenna misalignmentC . ACID . CCIView AnswerAnswer: D