单项选择题

What is the term for the space that exists above a drop ceiling or below a raised floor and that isused for air return？（）

A.NEMA area
B.plenum area
C.DAS area
D.extended area
E.RF special area

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相关考题

单项选择题

Where should known problem areas in the site survey be documented？（）

A.nowhere （but should be discussed with the customer）
B.on the site survey map and within the site survey text
C.on the customers blueprints
D.in the Cisco WCS Planning Tool

单项选择题

The AirMagnet passive site survey tool can provide RF coverage data， except for which parameter？（）

A.Signal strength （4th access point）
B.Signal strength （3rd access point）
C.Channel interference
D.Predictive physical data rate downlink （2nd access point）

单项选择题

What approximates the signal attenuation of a plasterboard wall？（）

A.Crowd of people
B.Office window
C.Metal door
D.Brick wall