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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2.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

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