Field tech 2-3 Final Exam 2024 Questions and Answers

Field tech 2-3 Final Exam 2024 Questions and Answers What is unique about WDM - PON ? - Answer ️️ -WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. What is the main benefit of deploying WDM technology? - Answer ️️ -It will increase the capacity of the existing fiber networks tenfold without adding any more fiber. How are optical splitters used in the forward path? - Answer ️️ -As passive branching devices that divide an optical signal across multiple output fibers. What is the purpose of a fiber demarcation box? - Answer ️️ -It provides a safe place to splice, split, distribute, store, and cross-connect fiber optics. What is the purpose of the MST? - Answer ️️ -It provides access to connect fiber-optic cable drops from the customer premises to the network. What is the one main function of the FDH? - Answer ️️ -The FDH provides effective fiber management by grouping splitters into local serving areas Which PON element uses patch panels? - Answer ️️ -ODN Which type of fiber topology used in a PON places the PON splitters at the headend while providing one designated fiber for every customer premise? - Answer ️️ -Home-Run What are the three categories of the fiber-optic cable used to identify the location of the fiber in the network? - Answer ️️ -Trunk, branch, and drop. What is the difference between the FTTN and FTTC topologies? - Answer ️️ -An FTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. What is the purpose of the SDU? - Answer ️️ -It provides surge protection, a test jack, circuit protection, wiring management, and fiber termination. What are the advantages of loose buffer tube fiber? - Answer ️️ -It offers the best protection for the fibers under high pulling tension and moisture with its fiber-coated gel. What is an ONU/ONT? - Answer ️️ -It is a device that converts light from fiber to RF for coaxial distribution into the home. What are the characteristics of ITU-T G.657 BIF? - Answer ️️ -It is flexible for installation in small spaces and has a small bend radius of 7.5 mm or 10 mm. What le true about using a premade fiber-optic pigtail for splicing to patch panels or terminal equipment? - Answer ️️ -It is faster and more rellable than installing eonnectors in the field. What is the proper way to handle fiber once it is spliced? - Answer ️️ -At the heat-shrink protective sleeve that has a steel bar inside it. What is the purpose of the ground block? - Answer ️️ -To protect fragile electronics like TV's and STBs from damaging lightning strikes and power surges. In a PON FTTx network, which OSP device contains fiber test points that will minimize service disruption to customers? - Answer ️️ -FDH (Fiber Distribution Hub) What parameter is critical in an OTDR when testing a PON with significant splitters losses? - Answer ️️ -High Dynamic Range What is the best approach to repairing an aerial fiber-optic drop cable for FTTx applications? - Answer ️️ -Replace the entire section of fiber drop cable. (-25) + (42) + (-62) + (20) =? - Answer ️️ --25 (17) x (-19) =? - Answer ️️ --323 -17-(-34)=？ - Answer ️️ -17 -49 ÷ -7? - Answer ️️ -7 (20) ÷ (-4) + (-2) x (-10) - (-2) x (7) =? - Answer ️️ -29 3 6/9 + 6 1/3 + 9 5/9= - Answer ️️ -19 5/9 7 3/8 ÷7 1/4= - Answer ️️ -1. 1/5