单项选择题
A.Crowd of people
B.Office window
C.Metal door
D.Brick wall
单项选择题 WhichstatementistruewhenusingaCiscoWirelessMeshNetworkingSolution？（）
单项选择题 Towhichparametershouldtheaccesspointbesetduringasitesurvey？（）
单项选择题 Constructionofanewautomobilepartsmanufacturingfacilityhasrecentlybeencompleted.ThefacilityITmanagerwantstodeployvoiceoverWLAN.Duringyourinitialwalkthrough，youobservenumeroushighlyreflectivesurfacesonthemanufacturingequipmentandinthebuildingconstructionitself.Whatpotentialproblemexiststhatshouldbeaccountedforduringyoursitesurvey？（）