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Progression: Field Tech II - III Conventional Questions and Answers Already Graded A

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Progression: Field Tech II - III Conventional Questions and Answers Already Graded A What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the inf... rastructure all at once? -✔✔ 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? -✔✔ 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)? -✔✔ 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? -✔✔ Distributed star. Which element of a passive optical network (PON) uses a Bragg grating filter? -✔✔ Optical line terminal (OLT). Which element of a passive optical network (PON) uses patch panels? -✔✔ 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 gigabit-capable passive optical network (GPON) or Ethernet passive optical network (EPON)? -✔✔ 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? -✔✔ 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? -✔✔ 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? -✔✔ Before stripping the plastic coating from the fiber. Which of the following are statements of true axioms? -✔✔ 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 = ? -✔✔ E/R The square of 7 = -✔✔ 49 The square root of 81 = -✔✔ 9 0.00004 = ______ x 10 to the power of ______. -✔✔ 4, -5 (75 x 10 to the power of 3) + (25 x 10 to the power of 4) = -✔✔ 32.5 x 10 to the power of 4 10 to the power of -3 has a metric prefix of ______. -✔✔ Milli (480 x 10 to the power of -5) divided by (60 x 10 to the power of -3) = -✔✔ 8 x 10 to the power of -2 (250 x 10 to the power of -6) - (7 x 10 to the power of -5) = -✔✔ 180 x 10 to the power of -6 (75 × 103) + (25 × 104) = -✔✔ (*Wrong) 100 × 10^3 (-25) + (42) + (-62) + (20) = -✔✔ -25 (17) x (-19) = -✔✔ -323 (-17) - (-34) = -✔✔ 17 -49/-7 = -✔✔ 7 (20) / (-4) + (-2) x (-10) - (-2) x (7) = -✔✔ 29 3 6/9 + 6 1/3 + 9 5/9 = -✔✔ 19 5/9 4/7 x 9 4/11 = -✔✔ 5 27/77 7 3/8 divided by 7 1/4 = -✔✔ 1 1/58 8.13 X 0.123 = -✔✔ 0.99999 0.5349 divided by 0.1420 = -✔✔ 3.7669014 Which of the following is a method for controlling expectations? -✔✔ Identify the source of emotional overload. Which of the following best describes stereotyped thinking? -✔✔ Presuming that all members of a group have certain characteristics. [Show More]

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