BICSI IN250 Optical Fiber Review Exam

SAFETY REVIEW OSHA - Correct Ans-Occupational Safety and Health Administration What is the 1st step you should take to safely assist an injured person during an emergency? - Correct Ans-Survey the Scene When Surveying a Victim what does the B in ABC stand For? - Correct Ans-Breathing When do safety codes normally require the use of a GFCI? - Correct Ans-Extension Cords & Temporary Wiring What Ladder Materials Can be used around electricity? - Correct Ans-Wood, Fiberglass & NonConductive How far should the base of an extension ladder that is extended 12m(40ft) up be placed from the surface it is positioned against? - Correct Ans-3m (10ft) which is 1/4 ratio ITS cabling installers must wear hard hats that provide protection from. - Correct Ans-falling objects, electrical shock & blows to the head TRUE / FALSE " No fall protection device (harness) is required when the scissor lift is equipped with an approved barrier surrounding the user. - Correct Ans-TRUE In Relation to fire safety, what does the "C" in "RACE" stand for? - Correct Ans-Confine Who is responsible for providing the MSDS? - Correct Ans-Manufacturer What is used to neutralize small acid spills? - Correct Ans-Baking Soda Where should optical fiber glass shards be stored or deposited during termination? - Correct Ans-Designated container fitted with a secure lid Most optical fiber transmission light is - Correct Ans-Invisible TRANSMISSION REVIEW SECTION - Correct Ans- This method of transmission allows signals to be transmitted in either direction but in only one at a time. - Correct Ans-Half Duplex The number of cycles a signal is repeated in a given time frame is called - Correct Ans-Frequency The basic unit of digital transmission is a - Correct Ans-Bit Which of the following terms quantifies the bandwidth of a cabling system and relates to the information-handling capability of a given media - Correct Ans-Megahertz Most new fiber optic network installations use - Correct Ans-50/125um multimode laser optimized cable Increasing either the length of an optical fiber cable or the wavelength of the light source will - Correct Ans-decrease the bandwidth The spreading out of light pulses in an optical fiber cable due to the multiple paths taken by many modes as they travel down the fiber is known as - Correct Ans-Modal Dispersion Multimode optical fiber attenuation is referenced in_________ and is affected by the_______________ - Correct Ans-dB/km, Wavelength of the light source STRUCTURED CABLING SYSTEMS REVIEW QUESTIONS - Correct Ans- A structured ITS cabling system is intended to serve a wide range of uses including access to - Correct Ans-plain old telephone services , innovative telephone services & computer networking How many backbone levels are allowed in a structured cabling system? - Correct Ans-2 What is the term that identifies where the service provider relinquishes circuit responsibility to the customer? - Correct Ans-Demarcation Point Where do outside plant cables enter the building? - Correct Ans-Entrance facility (EF) Over the lifecycle of a building, what is the most cost-effective permanent entrance? - Correct Ans-Underground What Service Entrance Has the lowest installation costs? - Correct Ans-Aerial What is BICSI recommendation for the minimum number of cables to a work area? - Correct Ans-2 What is the Maximum length of an equipment cord in a work area (NOT USING a MUTOA)? - Correct Ans-5m (16.5 ft) What is the maximum length for a horizontal optical fiber cable? - Correct Ans-90 m (295 ft ) Centralized optical fiber cabling is designed as an alternative to - Correct Ans-An optical cross-connection located in the TR Which color termination field identifies "common equipment" - Correct Ans-Purple SUPPORT STRUCTURE in ERs/TRs REVIEW QUESTIONS - Correct Ans- Which of the following serves a limited space while supporting a small number of users? - Correct Ans-TE What is the BICSI-recommended width of cable tray to be mounted on same wall as backboards? - Correct Ans-305mm (12 in ) Which finished grade of plywood has knotholes removed and replaced with a patch of clean wood? - Correct Ans-B How high should the bottom of plywood be mounted above the finished floor (AFF)? - Correct Ans-203mm (8 in) What are the two common widths that are available for equipment racks? - Correct Ans-483mm (19 in) and 584mm (23 in) What is the amount of vertical space associated with a "rack unit" or "U"? - Correct Ans-45mm (1.75 in) INSTALLING SUPPORT STRUCTURES REVIEW - Correct Ans- Which of the following pathways has the thinnest wall thickness and uses fittings that are threaded onto it? - Correct Ans-IMC Flexible metallic conduit is NOT recommended because it tends to - Correct Ans-creep, shift & cause damage to cables Limit installation of flexible metallic conduit to - Correct Ans-6.1m (20ft) A hand bender can be used for conduits up to_________diameter - Correct Ans-35mm (1 1/4 trade size) What is the minimum bend radius for a 50mm (2in) conduit? - Correct Ans-300mm (12in)