单项选择题
What approximates the signal attenuation of a plasterboard wall？（）
A.Crowd of people
B.Office window
C.Metal door
D.Brick wall
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相关考题
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单项选择题
WhichstatementistruewhenusingaCiscoWirelessMeshNetworkingSolution？（）
A.The backhaul link is dynamic 1 to 54Mb/s.
B.The backhaul link is typically a fixed value.
C.The backhaul link uses DAS antennas.
D.The backhaul link uses antenna multiplexing.
E.The backhaul link does not rely on fade margin. -
单项选择题
Towhichparametershouldtheaccesspointbesetduringasitesurvey？（）
A.Transmit only
B.Diversity
C.Receive only
D.Single isolated antenna -
单项选择题
Constructionofanewautomobilepartsmanufacturingfacilityhasrecentlybeencompleted.ThefacilityITmanagerwantstodeployvoiceoverWLAN.Duringyourinitialwalkthrough，youobservenumeroushighlyreflectivesurfacesonthemanufacturingequipmentandinthebuildingconstructionitself.Whatpotentialproblemexiststhatshouldbeaccountedforduringyoursitesurvey？（）
A.LOS modulation
B.Multipath distortion
C.RF signal absorption
D.RF signal attenuation
E.Fresnel zone impedance
