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Backbone cables are used to provide interconnection between telecommunication rooms, equipment rooms, and entrance facilities.
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The maximum allowable length of a multi-mode fiber optic cable from a main cross-connect to a horizontal cross-connect, is ? or ? .
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structured cabling I

Lesson 3: Structured Cabling System Overview

QuestionAnswer
Backbone cables are used to provide interconnection between telecommunication rooms, equipment rooms, and entrance facilities. true
The maximum allowable length of a multi-mode fiber optic cable from a main cross-connect to a horizontal cross-connect, is ? or ? . 2,000 m / 6,560'
If Category 3 or 5 backbone cables are intended for high-speed data circuits, their maximum length should not exceed ? or ? . 90 m / 295'
Which is not included in horizontal wiring? The cables from the ISP into the entrance facility
The ANSI/TIA/EIA-568-B.1 standard requires a minimum of at least ? horizontal cable(s) to every work area. 2
The maximum allowable length for a horizontal cable, regardless of media type, is ? or ? . 90 m / 295'
Twisted pair cross-connect wire or patch cords are used for cross-connecting between horizontal and backbone cable pairs at a telecommunications room. true
Equipment rooms are distinct from telecommunications rooms because of the nature of the ? that they contain. equipment
An entrance facility consists of the entrance of a telecommunications cable from outdoors into a building. true
The entrance facility consists of cables, connecting hardware, protection devices, and other equipment needed to connect cables entering from outdoors to cables that are suitable and approved for use indoors true
The work area consists of the wiring that extends from the telecommunications outlet to the ? . station equipment
Which cable types are recognized for use in the horizontal cabling system? II. 2-fiber, 62.5/125_m or 50/125_m optical fiber cable III. 4-pair 100 Ω unshielded twisted pair (UTP) cables
Which types of cables are recognized for use in the backbone cabling system? II. 2-fiber, 62.5/125_m or 50/125_m optical fiber cable III. 4-pair 100 Ω unshielded twisted pair (UTP) cables IV. Single-mode optical fiber cable
The functions of a telecommunications room may also be performed in an equipment room. true
What is the maximum backbone distance for a UTP data circuit from the MC to HC? 90 m / 295'
does Administration of a cabling system include documentation? Administration of a cabling system includes documentation (labels, records, drawings, reports, and work orders) of cables, termination hardware, patching and cross-connect facilities, pathways, telecommunications room, and spaces.
The TIA/EIA ? Standard defines the requirements for an administration system. 606 -A
TIA/EIA 568-B calls for ? topology for the layout of the system. star
What area includes the cabling that extends from the telecommunications outlet to the workstation? The work area includes the cabling that extends from the telecommunications outlet to the workstation.
The maximum length specified for the work area cabling is ? . 5 m (16')
Structured cabling standards allow for ? equipment room(s) per building. no limit
Open office architecture allows a(n) ? to be implemented for interconnecting permanent horizontal cables to extension cables that are placed in furniture raceways. consolidation point
When implementing centralized fiber architecture, the maximum allowable cable length from a Telecommunications Outlet (TO) to the termination in the Equipment Room (ER) is ? . 300 m
Created by: Yusosweet1
 

 



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