RCDD-002

The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for?A . Plug and connectorB . Position and connectorC . Position and contactD . Plug and contactView AnswerAnswer: C

Wave division multiplexing (WDM) is most similar to:A . Amplitude modulationB . Frequency modulationC . Time division multiplexingD . Frequency division multiplexingE . Carrier sense multiple access with collision detection (CSMA/CD)View AnswerAnswer: D

The MINIMUM finished height of access flooring in a general office area is:A . 50 mm (2 in)B . 150 mm (6 in)C . 200 mm (8 in)D . 250 mm (10 in)E . 300 mm (12 in)View 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 ....

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...

A conduit run is installed from the ER to a TR. It has two (2) 90 degree bend and a length of 20 m (65 ft). What will be the MINIMUM test rating of the pull cord left in the conduit?A . 20 kg (44 lb)B . 40 kg (88...

Perimeter raceway systems should be used primarily for:A . Underfloor pathwayB . Apartments or hotels where molding is accessible in the work areaC . Warehouses with minimal telecommunications servicesD . Small floor areas where the majority of telecommunication services will be along the wallsE . Equipment rooms where cable tray...

What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable?A . 100 MHzB . 250 MHzC . 500 MHzD . 600 MHzE . 1000 MHzView AnswerAnswer: D

Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees. If these two signals are added together, the result is a sinusoidal signal having an amplitude of:A . ZeroB . 0.707A and a frequency of fC . A and 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