RCDD-001

A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a:A . BalunB . ConverterC . ModulatorD . Cross connectE . TransceiverView AnswerAnswer: A

The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.A . Electromagnetic interference (EMI)B . (EMC)C . Radio frequency interference (RFI)D . Fast transientsE . Electrostatic discharge (ESD)View AnswerAnswer: A

Which type of cable tray is best described as a ventilated bottom with side rails?A . Ventilated channelB . LadderC . SplineD . Ventilated troughE . Basket trayView AnswerAnswer: D

You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables?A . Require the architect/electrical engineer to place shielding in the space before your UTP is placed.B . You should provide a minimum...

Which of the following correctly lists the lowest frequency band to the highest frequency band?A . MF, HF, VHF, UHFB . UHF, VHF, HF, MFC . HF, MF, UHF, VHFD . VHF, UHF, MF, HFE . HF, MF, UHF, VHFView AnswerAnswer: A

Which of the following is NOT true about consolidation points?A . They are not to be used for direct connections to active equipment.B . They allow horizontal cables to be extended into work area pathways.C . They are to be terminated on separate connectors for each individual user.D . The...

Which of the following statements best describes what a backbone distribution system typically provides?A . Cabling from the HC to the WAB . Pathway from the HC to the WAC . Conduit in a building riserD . Building connections between floors in a multistory buildingE . Copper cabling installed in...

If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is:A . 3 dBB . 20 dBC . 30 dBD . 40 dBE . 1000 dBView AnswerAnswer: C

What is the insertion loss guideline for a multimode mechanical splice?A . 0.05 dBB . 0.1 dBC . 0.3 dBD . 0.5 dBE . 1.0 dBView AnswerAnswer: C

When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:A . Outlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in)B . Outlet boxes should be installed near an electric outlet at the same heightC ....