A.omnidirectional
B.patch
C.Yagi
D.sector
E.parabolic dish
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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
A.-65 dBm
B.-67 dBm
C.-69 dBm
D.-70 dBm
A.PNG
B.JPEG
C.GIF
D.BMP
E.PICT
F.TIFF
A.AIR-ANT3213
B.AIR-ANT2465P-R
C.AIR-ANT1949
D.AIR-ANT5160V-R
A.Bluetooth
B.frequency hopping
C.microwave oven
D.802.11b client card
E.802.11b access point
最新試題
When planning for VoWLAN capacity during a site survey， how many simultaneous calls can beestimated per 5 GHz channel？（）
Which three formats can be used to import floor maps in Cisco WCS v5.2？（）
Cisco recommends a decibel referenced to 1 milliwatt signal level for the coverage cell edge at thepredetermined data rate that is needed to support the VoWLAN device and call capacityrequirements. What is that signal level value for Cisco Unified Wireless IP Phones 7920， 7921G， and7925G？（）
In which three frequency bands does the Cisco Spectrum Expert Wi-Fi tool perform spectrumanalysis？ （）
A design requires 100 access points with high channel bandwidth and disabled lower data rates.How are the data rates set on the Cisco WLC and Cisco WCS？（）
Which statement regarding the site-survey process is correct？（）
After the site installation is complete， you should verify the mobility of the VoWLAN device whilewalking the site on an active phone call. Which Cisco WLC or Cisco WCS command is mostbeneficial in determining roaming efficiency？（）
What will cause wireless voice devices to perform poorly？（）
By how much is a signal’s strength reduced when the signal passes through an object thatintroduces 3 dB of attenuation？（）
What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？