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What WLAN use case is represented?
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?A . Ad-hocB . WPANC . BSSD . IBSSView AnswerAnswer: C
If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element?
A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element?A . 26 dBmB . 13 dBmC . 23 dBmD . 10 dBmView AnswerAnswer:...
What factor does not influence the distance at which an RF signal can be effectively received?
What factor does not influence the distance at which an RF signal can be effectively received?A . Receiving station’s radio sensitivityB . Receiving station’s output powerC . Transmitting station’s output powerD . Free Space Path LossView AnswerAnswer: A
What can an impedance mismatch in the RF cables and connectors cause?
What can an impedance mismatch in the RF cables and connectors cause?A . Increased range of the RF signalB . Fewer MCS values in the MCS tableC . Increased amplitude of the RF signalD . Excessive VSWRView AnswerAnswer: D
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?A . Directed RadiationB . Beam DigressionC . Passive GainD . Active AmplificationView AnswerAnswer: C
What is the term that describes this behavior?
An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?A . RefractionB . WarpingC . ScatteringD . ReflectionView AnswerAnswer: A
What best describes WPA2 in relation to 802.11 wireless networks?
What best describes WPA2 in relation to 802.11 wireless networks?A . WPA2 is the standard that defines security for WLANs.B . WPA2 is a certification created by the Wi-Fi Alliance that validates devices correctly implement CCMP/AED . WPA2 is the second version of WPA and it enhances security through the...
In a long-distance RF link, what statement about Fade Margin is true?
In a long-distance RF link, what statement about Fade Margin is true?A . A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions.B . The Fade Margin is a measurement of signal loss through free space and...
Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?
Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?A . Operating frequencyB . MU-MIMO capabilities of the bridgesC . Receive antenna gainD . Transmit powerView AnswerAnswer: B
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?A . DSSS (802.11-Prime)B . OFDM (802.11a)C . HT (802.11n)D . VHT (802.11ac)View AnswerAnswer: C
