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【单选题】

Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()

A、omnidirectional

B、patch

C、Yagi

D、sector

E、parabolic dish

更多“Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()”相关的问题
第1题

A、Alternate polarization between colocated antennas  B、Cross-polarize antennas between endpoints  C、Install an RF-shielded box around the antennas  D、Increase the distance between the antennas  

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第7题

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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第8题

A、Cisco WCS supports third-party antennas for location applications.  B、Access points that are defined with third-party antennas will not participate in rogue on-demand location tracking.  C、Cisco WCS supports third-party antenna gain, azimuth, and elevation progation patterns.  D、Access points that are defined with a third-party antenna in Cisco WCS will display coverage heat maps.  

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