FOA CFOT Certification Exam Questions and Correct Answers the Latest Update

A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light coming out of a fiber into your eye. True or False? True A fiber optic power meter measures absolute power in dBM (dB referenced to 1 mw) and, when used with a light source, can measure insertion loss expressed in dB. True or False? True When we say 62.5/125 fiber, what does "62.5" mean? core size, the diameter in microns When we say 50/125 fiber, what does "125" mean? cladding size, the diameter in microns OM3 and OM4 multimode fiber with a 50/125 micron core are now a popular option in premises cabling systems because they _____. Are "laser optimized" which gives more distance capability with gigabit networks using laser sources #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update In-multimode fiber, the attenuation (reduction in optical power) of the fiber is _____ at 850 nm than at 1300 nm. Higher Which of the following represents a singlemode (smaller core size) fiber size? 9/125 micron Singlemode fiber has _____ bandwidth than multimode fiber. greater Most plastic optical fibers are _____. large core step-index When you strip singlemode or graded index multimode mode glass fiber, you are removing the ____. Primary buffer coating The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of the cable. Strength members According to the references, hybrid cables are cables that contain ____. Both singelmode and multimode optical fibers #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update What type of fiber cable design allows for large numbers of fibers with ultra-high density, small size (diameter) and lower cost? ribbon According to the references, composite cables refer to cables that contain ____> both optical fibers and copper conductors Which optical fiber cables must be grounded? all cables that contain metallic elements Fiber optic cable for use inside a building must _______. Be rated to meet the requirements of local building and fire codes Optical fiber cable with a orange colored jacket generally indicates the cable contains _____. Multimode fiber Premises cable jackets are usually color-coded in what color to indicate singlemode fiber? Yellow Premises cable jackets are usually color-coded in what color to indicate laseroptimized 50/125 OM3 or OM4 fiber? #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update Aqua When pulling long lengths of cable in conduit or innerduct, you may need to ____. Any or all of these as appropriate (Pull form the center to the ends, Use a breakaway swivel or monitor tension, Lubricate the cable) In a loose tube cable, a gel or absorbent tape or powder is normally used _____. To prevent water from entering the cable Which type of cable is best suited for indoor installation when fibers ar to be directly terminated inside a patch panel with adhesive/polish or prepolished splice connectors? tight buffer distribution cable