NCTI FINAL EXAM: PROGRESSION FIELD
TECH 2- 3 TEST EXAM| LATEST UPDATE |
Verified Answers Progression: Field Tech II
- III Conventional
What uses the 2.4-GHz band and runs at 54 Mbps? - CORRECT
ANSWER>>802.11g
What is one reason why broadband cable operators install fiber-optic
cable in stages instead of changing the infrastructure all at once? -
CORRECT ANSWER>>Changing the infrastructure all at once would
cause too many service disruptions.
What is the difference between the fiber-to-the-node (FTTN) and fiber-
to-the-curb (FTTC) topologies? - CORRECT ANSWER>>An FTTC is
allowed a smaller number of RF amplifiers between the optical fiber
and the customer premises.
Which of these components is used in a passive optical network
(PON)? - CORRECT ANSWER>>Optical splitters.
Which type of star topology used in a passive optical network (PON)
places the PON splitters into fiber access terminal (FAT) located deep
in the network and closer to the customer premises than the
centralized split? - CORRECT ANSWER>>Distributed star.
Which element of a passive optical network (PON) uses a Bragg
grating filter? - CORRECT ANSWER>>Optical line terminal (OLT).
Which element of a passive optical network (PON) uses patch panels?
- CORRECT ANSWER>>Optical distribution network (ODN).
What is it about radio frequency over glass (RFoG) that made
broadband cable operators envision using it to make a seamless
transition from the legacy hybrid fiber/coax (HFC) architecture over to a
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gigabit-capable passive optical network (GPON) or Ethernet passive
optical network (EPON)? - CORRECT ANSWER>>RFoG can operate
in parallel with GPON or EPON, which eliminates the need for any
downtime during the transition.
How are optical splitters used in the forward path? - CORRECT
ANSWER>>In the forward path, optical splitters are used as passive
branching devices that divide an optical signal across multiple output
fibers.
Which of the following describes a fiber pigtail? - CORRECT
ANSWER>>Fiber-optic cable with pre-connectorized ends.
Heat shrink tubing is installed over the fusion-splice to strengthen and
protect it. When should the heat shrink be installed on the fiber? -
CORRECT ANSWER>>Before stripping the plastic coating from the
fiber.
Which of the following are statements of true axioms? - CORRECT
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 I = ? - CORRECT
ANSWER>>E/R
The square of 7 = - CORRECT ANSWER>>49
The square root of 81 = - CORRECT ANSWER>>9
0.00004 = ______ x 10 to the power of ______. - CORRECT
ANSWER>>4, -5
(75 x 10 to the power of 3) + (25 x 10 to the power of 4) = - CORRECT
ANSWER>>32.5 x 10 to the power of 4
10 to the power of -3 has a metric prefix of ______. - CORRECT
ANSWER>>Milli
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(480 x 10 to the power of -5) divided by (60 x 10 to the power of -3) = -
CORRECT ANSWER>>8 x 10 to the power of -2
(250 x 10 to the power of -6) - (7 x 10 to the power of -5) = -
CORRECT ANSWER>>180 x 10 to the power of -6
(75 × 103) + (25 × 104) = - CORRECT ANSWER>>(*Wrong) 100 ×
10^3
(-25) + (42) + (-62) + (20) = - CORRECT ANSWER>>-25
(17) x (-19) = - CORRECT ANSWER>>-323
(-17) - (-34) = - CORRECT ANSWER>>17
-49/-7 = - CORRECT ANSWER>>7
(20) / (-4) + (-2) x (-10) - (-2) x (7) = - CORRECT ANSWER>>29
3 6/9 + 6 1/3 + 9 5/9 = - CORRECT ANSWER>>19 5/9
4/7 x 9 4/11 = - CORRECT ANSWER>>5 27/77
7 3/8 divided by 7 1/4 = - CORRECT ANSWER>>1 1/58
8.13 X 0.123 = - CORRECT ANSWER>>0.99999
0.5349 divided by 0.1420 = - CORRECT ANSWER>>3.7669014
Which of the following is a method for controlling expectations? -
CORRECT ANSWER>>Identify the source of emotional overload.
Which of the following best describes stereotyped thinking? -
CORRECT ANSWER>>Presuming that all members of a group have
certain characteristics.