单项选择题
Which statement is true when using a Cisco Wireless Mesh Networking Solution？（）
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.
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Towhichparametershouldtheaccesspointbesetduringasitesurvey？（）
A.Transmit only
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单项选择题
Constructionofanewautomobilepartsmanufacturingfacilityhasrecentlybeencompleted.ThefacilityITmanagerwantstodeployvoiceoverWLAN.Duringyourinitialwalkthrough，youobservenumeroushighlyreflectivesurfacesonthemanufacturingequipmentandinthebuildingconstructionitself.Whatpotentialproblemexiststhatshouldbeaccountedforduringyoursitesurvey？（）
A.LOS modulation
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Ifthereisanexisting802.11gWLANatasite，whichservicecanbeprovidedwithoutconductinganewsitesurvey？（）
A.Add a new 802.11a WLAN
B.Increase the Layer 2 and Layer 3 security of the WLAN
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D.Add new services （such as voice） over the WLAN
