RCDD-002

A backbone star topology shall have no more than______ level(s) of cross-connections.A . OneB . TwoC . ThreeD . FourE . FiveView AnswerAnswer: B

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

When designing a backbone distribution system, you are asked to include a combination of media types. Your choice of media types include:A . Copper and fiber onlyB . Fiber and wireless onlyC . Fiber and coaxial cable onlyD . Wireless and coaxial cable onlyE . Any combination of copper, fiber,...

When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?A . 1B . 2C . 3D . 4E . 5View AnswerAnswer: B

You are extending 1000 MHz video service from your existing headend to a new equipment room (ER). Your existing incoming video signal is plus (+) 15 dBmV. You have three two- way splitters with a total of minus (-) 15 dB. You are adding 122 m (400 ft) of series...

Exhibit: This diagram illustrates an example of a:A . Multiple one level backbone designsB . Multiple hierarchical level campus backbone designC . Poorly designed single level campus backbone designD . Well laid out single level campus backbone designE . Multi level campus design ready for an easy separation into 3...

Which characteristic is an advantage of copper based media over optical fiber cable?A . WeightB . Corrosion resistanceC . Ability to handle analog signalsD . Susceptibility to EMIE . Very high data ratesView AnswerAnswer: C

One of the advantages of using optical fiber in the backbone installation is:A . More cost effectiveB . Immunity to EMIC . Safer to installD . Requires less skill to installE . Has better manufacturer supportView AnswerAnswer: B

When designing a campus distribution system involving small buildings with only one horizontal cross-connect (HC) [Floor distributor (FD)] per building, you can eliminate the need for a(n):A . Intermediate cross-connect (IC) Building distributor (BD)B . Main cross-connect (MC) Campus distributor (CD)C . Horizontal cross-connect (HC) Floor distributor (FD)D . Entrance...

You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective?A . Multi-layer braidB . Foil and braidC . Solid metallic conduitD . Flex metallic conduitE . Sch. 40 PVC conduitView AnswerAnswer: C