Field tech 2-3 Final exam questions with answers

Field tech 2-3 Final exam questions with
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answers

What is unique about WDM - PON ? - CORRECT ANSWERS
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✔✔WDM-PON deployed in a greenfield system allows each |\ |\ |\ |\ |\ |\ |\ |\


subscriber to get their own designated wavelength.
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What is the main benefit of deploying WDM technology? -
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CORRECT ANSWERS ✔✔It will increase the capacity of the
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existing fiber networks tenfold without adding any more fiber.
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How are optical splitters used in the forward path? - CORRECT
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ANSWERS ✔✔As passive branching devices that divide an optical
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signal across multiple output fibers.
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What is the purpose of a fiber demarcation box? - CORRECT
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ANSWERS ✔✔It provides a safe place to splice, split, distribute,
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store, and cross-connect fiber optics.
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What is the purpose of the MST? - CORRECT ANSWERS ✔✔It
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provides access to connect fiber-optic cable drops from the
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customer premises to the network. |\ |\ |\ |\




What is the one main function of the FDH? - CORRECT ANSWERS
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✔✔The FDH provides effective fiber management by grouping
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splitters into local serving areas
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,Which PON element uses patch panels? - CORRECT ANSWERS
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✔✔ODN


Which type of fiber topology used in a PON places the PON
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splitters at the headend while providing one designated fiber
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for every customer premise? - CORRECT ANSWERS ✔✔Home-Run
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What are the three categories of the fiber-optic cable used to
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identify the location of the fiber in the network? - CORRECT
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ANSWERS ✔✔Trunk, branch, and drop. |\ |\ |\ |\




What is the difference between the FTTN and FTTC
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topologies? - CORRECT ANSWERS ✔✔An FTC is allowed a smaller
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number of RF amplifiers between|\ |\ |\ |\




the optical fiber and the customer premises.
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What is the purpose of the SDU? - CORRECT ANSWERS ✔✔It
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provides surge protection, a test jack, circuit protection, wiring
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management, and fiber termination. |\ |\ |\




What are the advantages of loose buffer tube fiber? - CORRECT
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ANSWERS ✔✔It offers the best protection for the fibers under
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high pulling tension and moisture with its fiber-coated gel.
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What is an ONU/ONT? - CORRECT ANSWERS ✔✔It is a device that
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converts light from fiber to RF for coaxial
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,distribution into the home. |\ |\ |\




What are the characteristics of ITU-T G.657 BIF? - CORRECT
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ANSWERS ✔✔It is flexible for installation in small spaces and has
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a small bend
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radius of 7.5 mm or 10 mm.
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What le true about using a premade fiber-optic pigtail for
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splicing to patch panels or terminal equipment? - CORRECT
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ANSWERS ✔✔It is faster and more rellable than installing
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eonnectors in the |\ |\




field.


What is the proper way to handle fiber once it is spliced? -
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CORRECT ANSWERS ✔✔At the heat-shrink protective sleeve that
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has a steel bar inside it.
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What is the purpose of the ground block? - CORRECT ANSWERS
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✔✔To protect fragile electronics like TV's and STBs from
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damaging lightning strikes and power surges.
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In a PON FTTx network, which OSP device contains fiber test
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points that will minimize service disruption to customers? -
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CORRECT ANSWERS ✔✔FDH (Fiber Distribution Hub)
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What parameter is critical in an OTDR when testing a PON with
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, significant splitters losses? - CORRECT ANSWERS ✔✔High
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Dynamic Range |\




What is the best approach to repairing an aerial fiber-optic
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drop cable for FTTx applications? - CORRECT ANSWERS
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✔✔Replace the entire section of fiber drop cable. |\ |\ |\ |\ |\ |\ |\




(-25) + (42) + (-62) + (20) =? - CORRECT ANSWERS ✔✔-25
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(17) x (-19) =? - CORRECT ANSWERS ✔✔-323
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-17-(-34)=？ - CORRECT ANSWERS ✔✔17 |\ |\ |\ |\




-49 ÷ -7? - CORRECT ANSWERS ✔✔7
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(20) ÷ (-4) + (-2) x (-10) - (-2) x (7) =? - CORRECT ANSWERS
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✔✔29


3 6/9 + 6 1/3 + 9 5/9= - CORRECT ANSWERS ✔✔19 5/9
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7 3/8 ÷7 1/4= - CORRECT ANSWERS ✔✔1. 1/58
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8.13 X 0.123 =? - CORRECT ANSWERS ✔✔0.99999
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0.5349 ÷ 0.1420? - CORRECT ANSWERS ✔✔3.7669014
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