单项选择题

Which statement is true when using a Cisco Wireless Mesh Networking Solution？（）

A.The backhaul link is dynamic 1 to 54Mb/s.
B.The backhaul link is typically a fixed value.
C.The backhaul link uses DAS antennas.
D.The backhaul link uses antenna multiplexing.
E.The backhaul link does not rely on fade margin.

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单项选择题

To which parameter should the access point be set during a site survey？（）

A.Transmit only
B.Diversity
C.Receive only
D.Single isolated antenna

单项选择题

Construction of a new automobile parts manufacturing facility has recently been completed. Thefacility IT manager wants to deploy voice over WLAN. During your initial walkthrough， you observenumerous highly reflective surfaces on the manufacturing equipment and in the buildingconstruction itself. What potential problem exists that should be accounted for during your sitesurvey？（）

A.LOS modulation
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D.RF signal attenuation
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If there is an existing 802.11g WLAN at a site， which service can be provided without conducting anew site survey？（）

A.Add a new 802.11a WLAN
B.Increase the Layer 2 and Layer 3 security of the WLAN
C.Increase the throughput for the wireless clients
D.Add new services （such as voice） over the WLAN