單項選擇題What will cause wireless voice devices to perform poorly?()

A.average signal strength that is greater than -67 dBi
B.cell overlap of 15 to 20 percent
C.uneven wireless coverage
D.absence of coverage holes


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1.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

3.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

7.多項選擇題Which three device types are identified by Cisco Spectrum Expert Wi-Fi finding an Avg PulseDuration parameter?()

A.Bluetooth
B.frequency hopping
C.microwave oven
D.802.11b client card
E.802.11b access point

8.多項選擇題In which three frequency bands does the Cisco Spectrum Expert Wi-Fi tool perform spectrumanalysis? ()

A.ISM 2.4 GHz
B.ISM 900 MHz
C.ISM 5 GHz
D.public safety 4.9 GHz
E.GSM 1.9 GHz

9.單項選擇題Which can NOT be selected for supported services in Cisco WCS Planning Tool?()

A.data/coverage
B.location with Monitor Mode access points
C.demand
D.high density

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