BICSI IN250 Optical Fiber Review Questions And Answers With Complete Solutions

SAFETY REVIEW OSHA - Answer-Occupational Safety and Health Administration What is the 1st step you should take to safely assist an injured person during an emergency? - Answer-Survey the Scene When Surveying a Victim what does the B in ABC stand For? - Answer-Breathing When do safety codes normally require the use of a GFCI? - Answer-Extension Cords & Temporary Wiring What Ladder Materials Can be used around electricity? - Answer-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? - Answer-3m (10ft) which is 1/4 ratio ITS cabling installers must wear hard hats that provide protection from. - Answer-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. - Answer-TRUE In Relation to fire safety, what does the "C" in "RACE" stand for? - Answer-Confine Who is responsible for providing the MSDS? - Answer-Manufacturer What is used to neutralize small acid spills? - Answer-Baking Soda Where should optical fiber glass shards be stored or deposited during termination? - AnswerDesignated container fitted with a secure lidMost optical fiber transmission light is - Answer-Invisible TRANSMISSION REVIEW SECTION - AnswerThis method of transmission allows signals to be transmitted in either direction but in only one at a time. - Answer-Half Duplex The number of cycles a signal is repeated in a given time frame is called - Answer-Frequency The basic unit of digital transmission is a - Answer-Bit Which of the following terms quantifies the bandwidth of a cabling system and relates to the information-handling capability of a given media - Answer-Megahertz Most new fiber optic network installations use - Answer-50/125um multimode laser optimized cable Increasing either the length of an optical fiber cable or the wavelength of the light source will - Answer-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 - Answer-Modal Dispersion Multimode optical fiber attenuation is referenced in_________ and is affected by the_______________ - Answer-dB/km, Wavelength of the light source STRUCTURED CABLING SYSTEMS REVIEW QUESTIONS - AnswerA structured ITS cabling system is intended to serve a wide range of uses including access to - Answer-plain old telephone services , innovative telephone services & computer networking How many backbone levels are allowed in a structured cabling system? - Answer-2