PROGRESSION: FIELD TECH II - III CONVENTIONAL
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1. **What is one reason why broadband cable operators install fiber-optic cable in stages instead of
changing the infrastructure all at once?**
- A) It is more cost-effective.
- B) Changing the infrastructure all at once would cause too many service disruptions.
- C) It allows for gradual training of staff.
- D) It avoids regulatory complications.
- **ANSWER:** B) Changing the infrastructure all at once would cause too many service disruptions.
2. **What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC)
topologies?**
- A) FTTN has more amplifiers than FTTC.
- B) FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer
premises.
- C) FTTN requires more maintenance.
- D) FTTC is slower than FTTN.
- **ANSWER:** B) FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the
customer premises.
3. **Which of these components is used in a passive optical network (PON)?**
- A) Fiber amplifiers
- B) Optical splitters
- C) Coaxial cables
,ESTUDY
- D) Signal repeaters
- **ANSWER:** B) Optical splitters.
4. **Which type of star topology used in a passive optical network (PON) places the PON splitters into
fiber access terminals (FAT) located closer to the customer premises?**
- A) Centralized star
- B) Distributed star
- C) Ring topology
- D) Mesh topology
- **ANSWER:** B) Distributed star.
5. **Which element of a passive optical network (PON) uses a Bragg grating filter?**
- A) Optical distribution network (ODN)
- B) Optical line terminal (OLT)
- C) Optical network unit (ONU)
- D) Fiber access terminal (FAT)
- **ANSWER:** B) Optical line terminal (OLT).
6. **Which element of a passive optical network (PON) uses patch panels?**
- A) Optical line terminal (OLT)
- B) Optical distribution network (ODN)
- C) Optical network unit (ONU)
- D) Passive optical splitter
- **ANSWER:** B) Optical distribution network (ODN).
,ESTUDY
7. **What is it about radio frequency over glass (RFoG) that made broadband cable operators envision
using it to transition from legacy hybrid fiber/coax (HFC) architecture to gigabit-capable passive optical
networks (GPON) or Ethernet passive optical networks (EPON)?**
- A) RFoG is less expensive to implement.
- B) RFoG can operate in parallel with GPON or EPON, eliminating the need for any downtime during
the transition.
- C) RFoG requires less maintenance.
- D) RFoG increases signal strength.
- **ANSWER:** B) RFoG can operate in parallel with GPON or EPON, eliminating the need for any
downtime during the transition.
8. **How are optical splitters used in the forward path?**
- A) They amplify the signal.
- B) They convert electrical signals to optical signals.
- C) They divide an optical signal across multiple output fibers.
- D) They filter out noise from the signal.
- **ANSWER:** C) They divide an optical signal across multiple output fibers.
9. **Which of the following describes a fiber pigtail?**
- A) A fiber-optic cable with a single connector
- B) Fiber-optic cable with pre-connectorized ends
- C) A fiber-optic cable without any connectors
- D) A multi-fiber cable
- **ANSWER:** B) Fiber-optic cable with pre-connectorized ends.
10. **Heat shrink tubing is installed over the fusion splice to strengthen and protect it. When should the
heat shrink be installed on the fiber?**
, ESTUDY
- A) After the splice is completed
- B) Before stripping the plastic coating from the fiber
- C) During the fusion splicing process
- D) After cleaning the fiber
- **ANSWER:** B) Before stripping the plastic coating from the fiber.
11. **Which of the following are statements of true axioms?**
- A) When A = B and B = C, then A = C.
- B) When A = C and B = C, then A = B because both are equal to C, supporting the axiom: Quantities
equal to the same quantity are equal to each other.
- C) A = B is always true.
- D) Equal quantities can never change.
- **ANSWER:** B) When A = C and B = C, then A = B because both are equal to C, supporting the
axiom: Quantities equal to the same quantity are equal to each other.
12. **Simplify and solve the equation: If E = IR, then I = ?**
- A) E × R
- B) E/R
- C) IR
- D) R/E
- **ANSWER:** B) E/R.
13. **The square of 7 equals what?**
- A) 42
- B) 49
- C) 56
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