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NCTI 2-3 Practice Exam Questions With Correct Answers 2023
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NCTI 2-3 Practice Exam Questions WithCorrect Answers 2023
What is the difference between the FTTN and FTTC topologies? - AnswerAn FTTC is
allowed a smaller number of RF amplifiers between the optical fiber and the customer
premises.
What are the three categories of the fiber-optic cable used to identify the location of the
fiber in the network? - AnswerTruck, branch, and drop
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? - AnswerHome-run
Which PON element uses patch panels? - AnswerODN
What is the one main function of the FDH? - AnswerThe FDH provides effective fiber
management by grouping splitters into local serving areas.
What is the purpose of the MST? - AnswerIt provides access to connect fiber-optic
cable drops from the customer premises to the network.
What is the purpose of a fiber demarcation box? - AnswerIt provides a safe place to
splice, split, distribute, store, and cross-connect fiber optics.
How are optical splitters used in the forward path? - AnswerAs passive branching
devices that divide an optical signal across multiple output fibers.
What is the main benefit of deploying WDM technology? - AnswerIt will increase the
capacity of the existing fiber networks tenfold without adding any more fiber.
What is unique about WDM-PON? - AnswerWDM-PON deployed in a greenfield system
allows each subscriber to get their own designated wavelength.
What is the purpose of the SDU? - AnswerIt provides surge protection, a test jack,
circuit protection, wiring management, and fiber termination.
What are the advantages of loose buffer tube fiber? - AnswerIt offers the best protection
for the fibers under high pulling tension and moisture with its fiber-coated gel.
What is an ONU/ONT? - AnswerIt is a device that converts light from fiber to Rf for
coaxial distribution into home.
,What are the characteristics of ITU-T G.657 BIF? - AnswerIt is flexible for installation in
small spaces and has a small bend radius of 7.5 mm or 10mm.
What is true about using a premed fiber-optic pigtail for splicing to patch panels or
terminal equipment? - AnswerIt is faster and more reliable than installing connectors in
the field.
What is the proper way to handle fiber once it is spliced? - AnswerAt the heat-shrink
protective sleeve that has a steel bar inside it.
What is the purpose of the ground block? - AnswerTo protect fragile electronics like Tvs
and STBs from damaging lightning strikes and power surges.
In a PON FTTx networks, which OSP device contains fiber test points that will minimize
service disruption to customers? - AnswerFDH.
What parameter is critical in an OTDR when testing a PON with significant splitters
losses? - AnswerHigh dynamic range.
What is the best approach to repairing an aerial fiber-optic drop cable for FTTx
applications? - AnswerReplace the entire section of fiber drop cable.
(-25) + (42) + (-62) + (20)=? - Answer-25
(17) X (-19)=? - Answer-323
(-17) - (-34)=? - Answer17
-49 ÷ -7 =? - Answer7
(20) ÷ (-4) + (-2) x (-10) - (-2) x (7)=? - Answer29
3 6/9 + 6 1/3 + 9 5/9=? - Answer19 5/9
7 3/8 ÷ 7 1/4=? - Answer1 1/58
8.13 x 0.123 =? - Answer0.99999
0.5349 ÷ 0.1420 - Answer3.7669014
67.84 + 81.786 + 4281.98 =? - Answer4431.606
Which of the statements is true of axioms? - AnswerWhen 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 I=? - AnswerE/R
What is the square of 7? - Answer49
What is the square root of 81? - Answer9
0.00004=____________x10 to the power of _____________? - Answer4,-5
(83 X 10^6) + (27 x 10^7)=? - Answer353x10^6
(480 x 10^-5) ÷ (60 x 10^-3)=? - Answer8 x 10^-2
(250 x 10^6) -(7 X 10^-5)=? - Answer180 x 10^-6
(75 x 10^3) + (25 x 10^4)=? - Answer32.5 x10^4
(10 X 10^3) + (26 x 10^4)=? - Answer270 x 10^3
Which technique can be useful in helping others understand your emotional state and in
providing them with direction around how to help you restore balance? - AnswerFeel,
Felt, Found technique
Which of the following best describes stereotyped thinking? - AnswerPresuming that all
members of a group have certain characteristics.
The attribute of being "active" as a critical thinker means - AnswerYou observe and take
notes relevant to the issue.
It is essential to pay attention to warning signs of stress overload. Poor attitude is one of
the behaviors that may indicate that you are overstressed. What are the symptoms of
poor attitude behavior? - AnswerA significant change in attitude with a noticeable
movement toward negative, hostile, cynical, or paranoid thoughts.
You are at a customer's home, and you are asking the customer whether the problem is
intermittent or constant. Which steps are you using from the six-step troubleshooting
process - AnswerIdentify the problem.
Why should you take the time to take notes and accurately record data at each job
location? - AnswerNotes and recorded data are tools that can help you determine a plan
of action or evaluate the decisions you made
You are at a customer's home, and you believe you have solved the problem. When you
check to ensure the resolution did not introduce any new problems, which step are you
using from the six-step troubleshooting process? - AnswerVerify the solution.
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