Fiber Testing & Maintenance Conventional Questions and answers

Fiber Testing & Maintenance Conventional
Questions and answers.



Which of the following is true regarding maintenance of the optical network? choose all that apply. -
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(correct answer) - ITU-T designation encompasses all things voice, data, and video.
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FTTx networks incorporate a point-to-
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multipoint (P2MP) optical topology that requires greater fiber color code management.
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What is the purpose of good maintenance practices? - (correct answer) -
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Good maintenance practices minimize failures that might have otherwise occurred with ongoing negl
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ect and identify potential performance issues before they become problems.
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What is essential for efficient fiber-optic network troubleshooting? - (correct answer) -
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Network documentation is essential for efficient fiber-optic network troubleshooting.
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What are some best practices when maintaining the outside plant? Choose all that apply. -
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(correct answer) -
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Check aerial spans for obstructions, lashing integrity, lashing clamps, suspension clamps, physical dam
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age, snowshoe clamps, radius, cable sag, and dressing.
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Always use riser guards at aerial to underground transition points.
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What are the two most common problems around patch panels? - (correct answer) -
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The two most common problems around patch panels are microbends and macrobends.
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When might an organization choose to open and inspect splice closures for moisture and improper sea
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ling? - (correct answer) -
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For splice closures in underground vaults where the potential for freezing exists, the cable operator s
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hould open and inspect the closures for standing water; the operator may choose not to inspect in are
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as when freezing is not a problem.
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If the network consists of multiple links, the first task is to identify which link is experiencing trouble. O
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nce the fault is isolated to a specific link or links, only three test procedures are required to isolate the
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, fault within the link. Performing the tests in this order will quickly locate the most common cause(s) of
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trouble. What is the correct order? - (correct answer) -
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test receive, test transmitter, testopticla path between transmitter and receiver
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What are the three elements of an outside plant fiber-optic network? - (correct answer) -
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The three elements of an outside plant fiber-
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optic network are the transmitter, receiver, and the outside plant (the fiber segments)
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Which instrument can be used to find faults within an optical time domain reflectometer's dead zone?
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- (correct answer) - A visual laser can be used to find faults within an OTDR's dead zone.
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When changes are made to any network, what is needed to keep a maintenance plan current? -
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(correct answer) -
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Whenever changes are made to any network, its documentation must be updated to keep maintenan
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ce plans current.
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What must be replaced periodically in a maintenance posture? - (correct answer) - Date-
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coded products used for maintenance or restoration must be replaced periodically in a maintenance p
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osture.

What topology do most fiber-to-the-
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user (FTTx) networks use, which requires greater fiver color code management in its documentation? -
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(correct answer) - Point-to-multipoint (P2MP)
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Improper use of nylon tie wraps can induce this problem: - (correct answer) - Microbends
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Which of the following statements is true regarding optimum performance in the fiber-optic network?
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- (correct answer) -
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The role of maintenance is to proactively maintain network tolerances and recognize, locate, and rem
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edy potential problems.
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A fiber-optic network maintenance plan should be developed with which of the following in mind? -
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(correct answer) -
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The task of compiling the physical document must become the responsibility of an identifiable positio
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n or organization.
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What is the best way to prevent problems in outside fiber-optic splice enclosures? - (correct answer) -
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The outer jacket and the internal cable structures must be secured individually to protect the closure
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and splice trays from the effects of expansion and contraction.
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Which of the following is true regarding the troubleshooting process? - (correct answer) -
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The troubleshooting process should include steps that identify, analyze, and locate the problem as w
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ell as diagnose its source, repair the problem, and test to ensure the problem is resolved.
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