单项选择题

A.LOS modulationB.Multipath distortionC.RF signal absor……

Construction of a new automobile parts manufacturing facility has recently been completed. Thefacility IT manager wants to deploy voice over WLAN. During your initial walkthrough， you observenumerous highly reflective surfaces on the manufacturing equipment and in the buildingconstruction itself. What potential problem exists that should be accounted for during your sitesurvey？（）

A.LOS modulation
B.Multipath distortion
C.RF signal absorption
D.RF signal attenuation
E.Fresnel zone impedance

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热门试题

单项选择题Ifthereisanexisting802.11gWLANatasite，whichservicecanbeprovidedwithoutconductinganewsitesurvey？（）

A.Add a new 802.11a WLAN
B.Increase the Layer 2 and Layer 3 security of the WLAN
C.Increase the throughput for the wireless clients
D.Add new services （such as voice） over the WLAN

多项选择题Whataretwoobjectivesofapre-sitesurveywalkthrough？（）

A.Identify potential problem areas
B.Define intended coverage areas
C.Access compliance with local building codes
D.Determine the final location of APs and antennas
E.Identify sources of RF signal attenuation and RF interference

单项选择题WhichisNOTpartofatypicalwirelesssitesurvey？（）

A.Implementation suggestions
B.Access point locations
C.Security requirements
D.Access point mounting methods

单项选择题WhichvalueisNOTsupportedbyCiscoSpectrumExpert，whencheckingforRFcoverage？（）

A.Access point received-signal strength level
B.Spectrum utilization
C.Client data rate
D.In-band radio frequency interference

单项选择题HowmanyaccesspointswillaCisco7600SeriesRouterwithsixinstalledCiscoCatalyst6500SeriesWirelessServicesModulessupport？（）

A.300
B.448
C.664
D.1800
E.2400