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Detailed information about various aspects of telecommunications cabling and connectors, including types of cutovers, testers, connectors, transmission methods, gauge changes, fiber diameters, cabling design, entrance methods, clearance requirements, thread sizes for mounting screws, and more. It is a comprehensive guide for anyone interested in telecommunications infrastructure.
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The 2 main considerations concerning the existing cabling are? - Answer: Grandfathered system Abandoned cable 11- The type of cutover where cross-connects are relocated one pair after another until completed is called a - Answer: rolling cut 11-
Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - Answer: Swing space phasing Which of these testers would you clamp around a strand of fiber to check for the presence of light? - Answer: Fiber strand identifier 11- A ______ provides a quick graphical representation of how the circuit is layed out?
The way in which others perceive an employee can be divided into 3 distinct areas: body language, Tone of voice and choice of words. Which of the 3 makes the biggest impression? - Answer: Body language - 55% The range of human hearing is from _________ - Answer: 20 Hz- 20,000 Hz An increase of _______ will result in a doubling or halving of the power. - Answer: 3 dB Increases or decreases of ________ for voltage will cause an increase or decrease of 10 times the original value. - Answer: 6 dB The code stands for "flush-or surface-mounted jack" - Answer: C A "push to talk" intercom system would be an example of a ______ transmission method. - Answer: half-duplex 1- __________ quantifies the bandwidth of a cabling system in a frequency range of interest. - Answer: Megahertz _________ refers to the amount of information that can be transported over the media. - Answer: Megabit A gauge change of ____ numbers approximately doubles or halves the conductors resistance - Answer: 3
A gauge change of _______numbers approximately doubles or halves the conductors diameter - Answer: 6 ______ is not recommended for new installations (what type of fiber) - Answer: OM What type of fibers typically support wavelengths of 850 nm and 1300nm - Answer: OM OM OM Which fiber is typically loose tube construction and is used outdoors - Answer: OS2 (outside plant fiber) Which fiber/s could I use for a LAN application where the distance between telecommunication spaces is 8,000' - Answer: OS Modal bandwidth is described in terms of ________ - Answer: Megahertz per kilometer Through the use of _______ optical fiber, the effects of modal dispersion are reduced but not eliminated. - Answer: Graded index The core diameter of OS2 fiber is ______ microns - Answer: 9
The consolidation point (CP) should be at least ______ feet from the TR - Answer: 50 You should look in ANSI/TIA - ______ if you needed information on the labeling standard. - Answer: 606 A-38, ANSI/TIA - ______ says that structural metal should be tested to verify its conductivity to earth. - Answer: 607 A-38, NEC ______ says that communication wires and cables shall be listed. - Answer: 800 A-38, Generic Telecommunications Cabling for Customer Premises (where to find) - Answer: 568.0 A-38, Broadband coaxial cabling and components standards (where to find) - Answer: 568.4 A-38, ______ is a private, not-for-profit organization that serves as the administrator and coordinator of the United States' private sector voluntary standardization system - Answer: ANSI The telecommunications service entrance to the building is called the ________ - Answer: Entrance Facility (EF)
The color field for the "Network" termination field is _______ - Answer: Green The color field for the "interbuilding backbone cable" termination field is _________ - Answer: brown (over white) The connection between the Horizontal cable and the backbone cable is called the ______ - Answer: HC (FD) A TE can serve a maximum of ________ - Answer: 3600 feet squared The 2 different "types of backbone cabling are _______ and ______ - Answer: Intrabuilding Interbuilding A _______ connects a cable field to an active component. - Answer: Interconnection The maximum equipment cord length in the work area is _______ - Answer: 16.5' The _______ topology is a linear configurations that places all of the network devices on one length of cable. - Answer: Bus In the ______ topology, the network switch is placed in the physical as well as logical center of the network - Answer: Star
Stay at least _______ feet away from exposed energized electrical conductors, such as wires or crane bus bars, operating at 300 - 50,000 volts - Answer: 10 ________ milliamperes trigger ventricular fibrillation, which cause the heart to repeatedly relax and violently clamp shut - Answer: 100 (3-22) What does the "C" in "RACE" stand for? - Answer: Confine Personnel should not lift a load in excess of ________ pounds per person - Answer: 55 The horizontal distance from the base of the ladder to the supporting wall should be ________ the working length of the ladder - Answer: 1/ Fall protection is required whenever a person is exposed to a fall hazard to another level of more than ________ - Answer: 6 feet A PFAS includes a full-body harness, a shock-absorbing lanyard and a secure anchorage point capable of supporting __________ pounds - Answer: 5000 Use a minimum _________ AWG green insulated ground wire telecommunications equipment-bonding conductor to bond cabinets and racks. - Answer: 6
Clearance from the bottom of the access floor tile to the top of the cable tray or other raceway shall be at least ______ inches to permit cable bundles and innerduct to exit out the top of the tray without incurring damage - Answer: 2 Allow no more than_____ of conduit and bushing to extend into the room - Answer: 3" Light, as measured within the TE, should be a minimum of _________ lux. - Answer: 538 lux (or 50 foot candles) If FMC must be used, limit the length to ________ - Answer: 20 feet Toggle bolts should be installed __________ inches from the edges of the sheet of plywood - Answer: 2 When securing equipment to a cabinet or rack, there are 4 popular thread sizes for mounting screws, what ate they? - Answer: M M 12- 10-32 (4-10) The minimum recommended separation distance that telecommunications cabling should be kept from High-intensity discharge lamps is ________ - Answer: 6" The "B" in "ABC" stands for - Answer: Breathing
The ________ bonds the electrical systems grounding electrode system to the PBB. - Answer: TBC (8-11, 8-16) The ________ is the conductor used to connect the busbar to the ac electrical panelboards - Answer: ACEG (8-11, 8-16) The recommended maximum value for the bonding resistance between the grounding electrode and the busbar in the EF or TR is _______ milliohms - Answer: 100 Cabinets and racks should be set in place and leveled throughout the lineup. Leveling foot adjustments or shimming of any anchoring point should not exceed _______ inch(es) unless specified by the project engineer. - Answer: 0. The recommended minimum separation distance from electric motors and transformers is ______ inches - Answer: 48 Where optical fibers will be used, consider placing three innerducts ( two _____ and one ____) inside each 4" conduit designated for this purpose to ensure physical cable protection - Answer: 1.5" 1" The minimum bend radius for coaxial cable (semi-rigid) is _________ time the cable diameter - Answer: 20
The minimum bend radius for intra-building optical fiber cable during installation is _______ times the cable diameter. - Answer: 15 The maximum pull force for two- to- four strand optical fiber is ______lbf - Answer: 50 Multipair copper cables require a minimum bend radius of _______ times their diameter - Answer: 10 *________ is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit. - Answer: Inductance _______ is a property of conductors that allows storage of electrical charges when potential differences ( voltages) exist between the conductors. - Answer: Capacitance The frequency of Category 8 cable is ______ - Answer: 2000 MHz Series _____ is the preferred choice for longer coaxial runs - Answer: 11 You would look in ANSI/TIA - _______ if you needed information on the labeling standard - Answer: 606
A ______ is a device that manages one or more resources shared by workstation users and administrators on a network - Answer: Server
