单项选择题
A.Transmit only
B.Diversity
C.Receive only
D.Single isolated antenna
单项选择题 Constructionofanewautomobilepartsmanufacturingfacilityhasrecentlybeencompleted.ThefacilityITmanagerwantstodeployvoiceoverWLAN.Duringyourinitialwalkthrough，youobservenumeroushighlyreflectivesurfacesonthemanufacturingequipmentandinthebuildingconstructionitself.Whatpotentialproblemexiststhatshouldbeaccountedforduringyoursitesurvey？（）
单项选择题 Ifthereisanexisting802.11gWLANatasite，whichservicecanbeprovidedwithoutconductinganewsitesurvey？（）
多项选择题 Whataretwoobjectivesofapre-sitesurveywalkthrough？（）