單項選擇題

What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？

A.more access points than a data network
B.fewer access points than a data network
C.less SNR than a data network
D.specific relative access point placement

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單項選擇題

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

多項選擇題

Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）

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

What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？

你可能感興趣的試題

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

Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）

What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？

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