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How many can be served by the existing system?
An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system?A . 115B . 160C . 177D . 189E . 195View AnswerAnswer: C
Of the following, what type of shielding would be most effective?
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
From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?
From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?A . 1B . 2C . 3D . 4E . 5View AnswerAnswer: C
What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?
What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?A . 77 mm (3 in)B . 30 mm (5.12 in)C . 203 mm (8 in)D . 324 mm (12.75 in)E . 483 mm (19 in)View AnswerAnswer: B
Which electrical characteristic is displayed with the correct preferred value?
Which electrical characteristic is displayed with the correct preferred value?A . Dielectric constant C high valueB . Dielectric strength C high valueC . Dissipation factor C low valueD . Insulation resistance - high valueView AnswerAnswer: A
A telecommunications outlet/connector may be provided using all listed below EXCEPT:
A telecommunications outlet/connector may be provided using all listed below EXCEPT:A . Wireless AP connectivityB . Balanced twisted-pair outletsC . Optical fiber connectorsD . 4p4c (4 position, 4 contact) connectorView AnswerAnswer: D
Which of the following is true about screened twisted pair cable assemblies?
Which of the following is true about screened twisted pair cable assemblies?A . The drain wire and screen foil must be bonded at one end only.B . The drain wire and screen foil must be bonded at every connection.C . There is no need to bond the screen foil or...
Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost?
Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost?A . 0 percentB . 36 percentC...
Assuming no conduit bends, and excluding the TR and zone box, what is the total number of pull boxes/pull points required in this horizontal conduit system between the telecommunications room (TR) and zone box?
You are designing a horizontal distribution system that will have a zone box located 71.6 m (235 ft) away from the telecommunications room (TR). A 50 mm (2 in) conduit is designed from the TR to a pull box located 36.6 m (120 ft) away from the TR. A 1...
Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.
Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.A . Only analog signalsB . Only digital signalsC . A mix of both analog and digital signalsD . Both analog and digital signals, but only one type at a timeView AnswerAnswer: B
