REP 1- REP 2 EXAM QUESTIONS AND
ANSWERS 100% SOLVED | RATED A+
When light strikes a medium at an angle less than the critical angle, what
happens to the light? - ✔✔It is reflected
In a fiber optic cable, what is the purpose of the cladding? - ✔✔To guide the
light down the fiber
You are planning a fiber optic network and want to amplify the signal so you can
send it farther into the field. At which wavelength must the laser emit? -
✔✔1550 nm
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?
- ✔✔Tweezers
You are doing an aerial installation of fiber optic cable. When you survey the
installation path, you see that the path runs near several short outbuildings and
over a series of hedges. Which installation method should you use? - ✔✔The
pull in method
Poor performance in the fiber optic network leads you to believe that there is a
fault in the fiber optic cable and you want to test a section of the network with
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,an optical time domain reflectometer OTDR, How should you connect the OTDR
to the fiber optic cable? - ✔✔With an optical mechanical splice
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? - ✔✔A reflective star coupler
As cable companies have expanded their use of fiber optic cable, they have also
brought it closer to the customer premises, increasing the bandwidth available
to customers. Which answer below represents the progression of fiber optic
network architecture? - ✔✔Fiber to the feeder *FTTF* - Fiber to the
neighborhood *FTTN* - Fiber to the curb *FTTC* - and Fiber to the home *FTTH*
Why is the broadband cable industry developing its own passive optical network
(PON) standard instead of using standards already developed by the
International Telecommunication Union (ITU) and the Institute of Electrical and
Electronics Engineers (IEEE) - ✔✔The industry has invested a lot of money in HFC
Networks, Data Over Cable Service Interface Specification, and other systems
and devices that are still currently being used, but they are not compatible with
ITU and IEEE PON standards.
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, What serves as an amplifier in fiber optic networks, allowing light signals to
travel farther while retaining signal strength? - ✔✔EDFA, An erbium-doped fiber
amplifier
What is the name of the group that established standards for the television
industry, ensuring a single system would deliver consistent service across the
nation? - ✔✔The National Television System Committee (NTSC)
What signal modulation technique do cable operators use to transport digital
television signals through the cable network? - ✔✔QAM Quadrature Amplitude
Modulation
What is the major change in enhanced definition TV (EDTV) that improves
picture quality over SDTV - ✔✔The use of progressive scanning in EDTV
What legislation required all television stations to switch to digital only
broadcasting? - ✔✔The US Deficit Reduction Act
Why are digital terminal adapters more cost effective than a full featured set
top box? - ✔✔DTA's do not require RF upstream
What terrestrial transmission technology did the Advanced Television Systems
Committee (ATSC) select? - ✔✔Eight level vestigial sideband (8-VSB)
3|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
ANSWERS 100% SOLVED | RATED A+
When light strikes a medium at an angle less than the critical angle, what
happens to the light? - ✔✔It is reflected
In a fiber optic cable, what is the purpose of the cladding? - ✔✔To guide the
light down the fiber
You are planning a fiber optic network and want to amplify the signal so you can
send it farther into the field. At which wavelength must the laser emit? -
✔✔1550 nm
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?
- ✔✔Tweezers
You are doing an aerial installation of fiber optic cable. When you survey the
installation path, you see that the path runs near several short outbuildings and
over a series of hedges. Which installation method should you use? - ✔✔The
pull in method
Poor performance in the fiber optic network leads you to believe that there is a
fault in the fiber optic cable and you want to test a section of the network with
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,an optical time domain reflectometer OTDR, How should you connect the OTDR
to the fiber optic cable? - ✔✔With an optical mechanical splice
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? - ✔✔A reflective star coupler
As cable companies have expanded their use of fiber optic cable, they have also
brought it closer to the customer premises, increasing the bandwidth available
to customers. Which answer below represents the progression of fiber optic
network architecture? - ✔✔Fiber to the feeder *FTTF* - Fiber to the
neighborhood *FTTN* - Fiber to the curb *FTTC* - and Fiber to the home *FTTH*
Why is the broadband cable industry developing its own passive optical network
(PON) standard instead of using standards already developed by the
International Telecommunication Union (ITU) and the Institute of Electrical and
Electronics Engineers (IEEE) - ✔✔The industry has invested a lot of money in HFC
Networks, Data Over Cable Service Interface Specification, and other systems
and devices that are still currently being used, but they are not compatible with
ITU and IEEE PON standards.
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, What serves as an amplifier in fiber optic networks, allowing light signals to
travel farther while retaining signal strength? - ✔✔EDFA, An erbium-doped fiber
amplifier
What is the name of the group that established standards for the television
industry, ensuring a single system would deliver consistent service across the
nation? - ✔✔The National Television System Committee (NTSC)
What signal modulation technique do cable operators use to transport digital
television signals through the cable network? - ✔✔QAM Quadrature Amplitude
Modulation
What is the major change in enhanced definition TV (EDTV) that improves
picture quality over SDTV - ✔✔The use of progressive scanning in EDTV
What legislation required all television stations to switch to digital only
broadcasting? - ✔✔The US Deficit Reduction Act
Why are digital terminal adapters more cost effective than a full featured set
top box? - ✔✔DTA's do not require RF upstream
What terrestrial transmission technology did the Advanced Television Systems
Committee (ATSC) select? - ✔✔Eight level vestigial sideband (8-VSB)
3|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
