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FIELD TECH 2-3 FINAL CORRECT 100%
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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 ...

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  • March 12, 2025
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • field tech 2 3
  • what is unique about wdm pon answer wdm pon
  • what is the main benefit of deploying wdm technolo

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FIELD TECH 2-3 FINAL CORRECT
100%
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. 1/58

8.13 X 0.123 =? - ANSWER 0.99999

0.5349 ÷ 0.1420? - ANSWER 3.7669014

67.84 + 81.786 + 4281.98 = ? - ANSWER 4,431.606

, 0.00004= ——- × 10 to the power of ——? - ANSWER 4,-5

What is the square of 7? - ANSWER 49

Which of the statements is true of axioms? - ANSWER When A = C and B = C, then A =
B because both are equal to C,
which supports the axiom: Quantities equal to the same quantity
are equal to each other.

Simplify and solve the equation: If E = IR, then | =? - ANSWER E/R

What is the square root of 81? - ANSWER 9


By taking control of the expectations you have, you are - ANSWER More likely to
improve your motivation and be a better problem solver.

Which of the following statements describes creative
problem-solving? - ANSWER Thinking outside of the box and looking at problems from
a fresh perspective.

What is done to ensure equal power in all
channels in a network with analog and digital
modulation channels? - ANSWER Operate the analog TV channels at higher amplitude
level than the QAM channels

What does a set-top box (STB) diagnostic page of a quadrature amplitude modulation
(QAM) channel showing signal-to-noise ratio (SNR) near or below 30 dB indicate? -
ANSWER The QAM channel quality is on the edge for reliable reception, and the source
of the problem is likely in the distribution network or customer premises.

Which of the following characterizes the successful
troubleshooter? - ANSWER Someone with an inquisitive and relentless desire to solve
and fix problems.

What must a technician be aware of when analyzing a digital TV (DTV) problem? -
ANSWER There is frequently more than one contributor to a specific DTV service
problem.

After a digital TV (DTV) service problem has been analyzed and possible causes
considered, what is accomplished by isolating the various network elements? -
ANSWER It narrows the scope of likely problem sources.

During which step of the six-step troubleshooting process for
a digital TV (DTV) service problem are quadrature amplitude

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