RCDD 試験問題を無料オンラインアクセス

BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.

• A.1.83 m (6 ft)
• B.1.5 m (5 ft)
• C.1.7 m (5.5 ft)
• D.2.1 m (7 ft)
• E.1.2 m (4 ft)

Which type of cable tray is best described as a ventilated bottom with side rails?

• A.Ventilated trough
• B.Spline
• C.Ventilated channel
• D.Basket tray
• E.Ladder

It is important to keep all underfloor cabling systems very neat and orderly. Cabling systems must be managed to ensure that air flow is not impeded by the height or volume of underfloor cabling. Keeping copper communications cabling properly separated from is one design approach. To resolve this:

• A.Route the copper cables in the cold aisle and route the power cabling in the hot aisle
• B.Power cabling should be routed in the overhead space
• C.Route the copper cables in the hot aisle and route the power cabling in the cold aisle
• D.Power cabling should be routed in the space below the floor in either hot or cold aisle
• E.Copper cabling can be routed in either hot or cold aisles without any consequence in performance of the network

Which of the following statements best describes what a backbone distribution system typically provides?

• A.Copper cabling installed in a large building
• B.Pathway from the HC to the WA
• C.Building connections between floors in a multistory building
• D.Cabling from the HC to the WA
• E.Conduit in a building riser

In an industry where a high level of humidity is measured, which type of label should be used?

• A.Chemical resistant
• B.Heat and cold resistant
• C.Moisture-induced decay and degradation resistant
• D.Smudge resistant
• E.Ultraviolet (UV) light protected