單項(xiàng)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


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1.多項(xiàng)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

5.多項(xiàng)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

6.多項(xiàng)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

7.單項(xiàng)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

9.單項(xiàng)選擇題Which statement regarding the site-survey process is correct?()

A.In a multifloor building, the access point layout from the survey of one floor can be directly applied to the remaining floors
B.Access points can be installed in the same place on every floor, without worrying about co-channelinterference
C.You can survey with a Cisco AIR-ANT5959 in a plenum environment
D.Identify all hazardous and restricted areas that might require extra or special survey and installationwork

10.單項(xiàng)選擇題Which statement about active and passive surveys is incorrect?()

A.Active mode does not require the client to be specifically confgured
B.Passive mode can survey more than one access point at a time
C.Active mode yields signal-quality information such as packet retries and lost packets
D.Active mode requires more time to survey but yields more information results than passive mode does

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