ETA Fiber/ fiber optics Exam Questions and Answers 100% Pass

ETA Fiber/ fiber optics Exam Questions and Answers 100% Pass L.A.S.E.R - Answer- light amplification by stimulated emission of radiation GTE installs first commercial fiber systems in place for service in - Answer- 1977 Advantages of Fiber - Answer- Bandwidth weight security fiber fabrication steps - Answer- making a preform; drawing fiber preform types (3) - Answer- MCVD, OVD, VAD layers of fiber - Answer- core, cladding, acrylate coating, buffer Core size of multimode cables - Answer- 62.5um and 50um core size of single mode cables - Answer- 8.3-10um cladding size - Answer- 125um acrylate coating size - Answer- 250um buffer size - Answer- 900um purpose of cladding - Answer- total internal reflection (traps the light) purpose of buffer - Answer- protects fiber purpose of coating - Answer- helps w/ flexibility what color is a single mode fiber cable - Answer- yellow what color is a multimode fiber cable - Answer- orange types of fiber cables - Answer- multimode, step-index multimode, graded-index singlemode parts of a good fiber link - Answer- transmitter receiver fiber optic cable connector converts electric to light - Answer- transmitter carries light - Answer- fiber optic cable accepts light, converts to electric - Answer- receiver connects fiber to source - Answer- connector light to energy - Answer- photodiode