REP 1- REP 2 EXAM QUESTIONS 100% CORRECT ANSWERS | ESTUDY LATEST, ALL ANSWERED 100%

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REP 1- REP 2 EXAM QUESTIONS 100% CORRECT
ANSWERS | ESTUDY LATEST, ALL ANSWERED 100%

1. When light strikes a medium at an angle less than the critical angle, what happens to the light?

- A) It is absorbed.

- B) It is refracted.

- C) It is reflected.

- D) It passes through unaffected.

- **ANSWER:** C) It is reflected.



2. In a fiber optic cable, what is the purpose of the cladding?

- A) To protect the fiber.

- B) To enhance signal strength.

- C) To guide the light down the fiber.

- D) To reduce attenuation.

- **ANSWER:** C) To guide the light down the fiber.



3. You are planning a fiber optic network and want to amplify the signal so you can send it farther. At
which wavelength must the laser emit?

- A) 1310 nm

- B) 1550 nm

- C) 1625 nm

- D) 1450 nm

- **ANSWER:** B) 1550 nm.

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4. It is important to follow safety procedures when installing and handling fiber optic cable. What should
you use to pick up fiber pieces after you splice a cable?

- A) Vacuum

- B) Gloves

- C) Tweezers

- D) Cloth

- **ANSWER:** C) Tweezers.



5. You are doing an aerial installation of fiber optic cable. When you survey the installation path, you see
that it runs near several short buildings and over a series of hedges. Which installation method should
you use?

- A) The drop method

- B) The pull-in method

- C) The splice method

- D) The underground method

- **ANSWER:** B) The pull-in method.



6. Poor performance in the fiber optic network leads you to believe there is a fault in the cable. You
want to test a section of the network with an optical time domain reflectometer (OTDR). How should
you connect the OTDR to the fiber optic cable?

- A) With a fusion splice

- B) With an optical mechanical splice

- C) With a connector

- D) With a coupler

- **ANSWER:** B) With an optical mechanical splice.



7. As you prepare to set up the fiber optic network, you realize you need a coupler that will allow any of
its ports to be used as either input or output. Which coupler should you choose?

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- A) A passive star coupler

- B) A reflective star coupler

- C) A splitter

- D) A hybrid coupler

- **ANSWER:** B) A reflective star coupler.



8. As cable companies have expanded their use of fiber optic cable, they have brought it closer to
customer premises, increasing the bandwidth available. Which answer below represents the progression
of fiber optic network architecture?

- A) Fiber to the home (FTTH) - Fiber to the curb (FTTC) - Fiber to the neighborhood (FTTN) - Fiber to
the feeder (FTTF)

- B) Fiber to the feeder (FTTF) - Fiber to the neighborhood (FTTN) - Fiber to the curb (FTTC) - Fiber to
the home (FTTH)

- C) Fiber to the curb (FTTC) - Fiber to the neighborhood (FTTN) - Fiber to the feeder (FTTF) - Fiber to
the home (FTTH)

- D) Fiber to the home (FTTH) - Fiber to the feeder (FTTF) - Fiber to the neighborhood (FTTN) - Fiber to
the curb (FTTC)

- **ANSWER:** B) Fiber to the feeder (FTTF) - Fiber to the neighborhood (FTTN) - Fiber to the curb
(FTTC) - Fiber to the home (FTTH).



9. Why is the broadband cable industry developing its own passive optical network (PON) standard
instead of using existing standards from the International Telecommunication Union (ITU) and the
Institute of Electrical and Electronics Engineers (IEEE)?

- A) The industry is focused on new technologies.

- B) Current investments in HFC Networks and DOCSIS make ITU and IEEE PON standards incompatible.

- C) ITU and IEEE standards are outdated.

- D) It is easier to create new standards than to adopt existing ones.

- **ANSWER:** B) Current investments in HFC Networks and DOCSIS make ITU and IEEE PON
standards incompatible.