What is the term for the space that exists above a drop ceiling or below a raised floor and that isused for air return？（）

单项选择题Whereshouldknownproblemareasinthesitesurveybedocumented？（）

A.nowhere （but should be discussed with the customer）
B.on the site survey map and within the site survey text
C.on the customers blueprints
D.in the Cisco WCS Planning Tool

单项选择题TheAirMagnetpassivesitesurveytoolcanprovideRFcoveragedata，exceptforwhichparameter？（）

A.Signal strength （4th access point）
B.Signal strength （3rd access point）
C.Channel interference
D.Predictive physical data rate downlink （2nd access point）

单项选择题Whatapproximatesthesignalattenuationofaplasterboardwall？（）

A.Crowd of people
B.Office window
C.Metal door
D.Brick wall

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