age 1 of 16
FTTx Basics Conventional FINAL EXAM PREP
2025/2026 ACCURATE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED PASS
<LATEST VERSION>
What is an ONU/ONT? .......Answer.........It is a device that
converts light from fiber to RF for coaxial distribution into the
home.
What are the characteristics of ITU-T G.657 BIF/Bend-insensitive
fiber? .......Answer.........It is flexible for installation in small spaces
and has a small bend radius of 7.5 mm or 10 mm.
What is true about using a premade fiber-optic pigtail for
splicing to patch panels or terminal equipment?
.......Answer.........It is faster and more reliable than installing
connectors in the field.
,age 2 of 16
What is the proper way to handle fiber once it is spliced?
.......Answer.........At the heat-shrink protective sleeve that has a
steel bar inside it.
What is the purpose of the ground block? .......Answer.........To
protect fragile electronics like TVs and STBs from damaging
lightning strikes and power surges.
Which is less expensive to deploy, CWDM or DWDM?
.......Answer.........CWDM
Which has 18 channels with a 20nm spacing, CWDM or DWDM?
.......Answer.........CWDM
Which uses significantly more power, CWDM or DWDM?
.......Answer.........DWDM
, age 3 of 16
Which is ideal for a gradual upgrade of older systems, CWDM
or DWDM? .......Answer.........CWDM
Which is used to transmit longer distances, CWDM or DWDM?
.......Answer.........DWDM
Which has compatibility with both GBIC and SFP connections,
CWDM or DWDM? .......Answer.........CWDM
Which has either 40 channels at .8nm or 80 channels at .4nm
spacing, CWDM or DWDM? .......Answer.........DWDM
What kind of mux provides two connections at each port?
.......Answer.........Duplex mux
DWDM can produce high data rates of up to what speeds?
.......Answer.........100 Gbps
FTTx Basics Conventional FINAL EXAM PREP
2025/2026 ACCURATE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED PASS
<LATEST VERSION>
What is an ONU/ONT? .......Answer.........It is a device that
converts light from fiber to RF for coaxial distribution into the
home.
What are the characteristics of ITU-T G.657 BIF/Bend-insensitive
fiber? .......Answer.........It is flexible for installation in small spaces
and has a small bend radius of 7.5 mm or 10 mm.
What is true about using a premade fiber-optic pigtail for
splicing to patch panels or terminal equipment?
.......Answer.........It is faster and more reliable than installing
connectors in the field.
,age 2 of 16
What is the proper way to handle fiber once it is spliced?
.......Answer.........At the heat-shrink protective sleeve that has a
steel bar inside it.
What is the purpose of the ground block? .......Answer.........To
protect fragile electronics like TVs and STBs from damaging
lightning strikes and power surges.
Which is less expensive to deploy, CWDM or DWDM?
.......Answer.........CWDM
Which has 18 channels with a 20nm spacing, CWDM or DWDM?
.......Answer.........CWDM
Which uses significantly more power, CWDM or DWDM?
.......Answer.........DWDM
, age 3 of 16
Which is ideal for a gradual upgrade of older systems, CWDM
or DWDM? .......Answer.........CWDM
Which is used to transmit longer distances, CWDM or DWDM?
.......Answer.........DWDM
Which has compatibility with both GBIC and SFP connections,
CWDM or DWDM? .......Answer.........CWDM
Which has either 40 channels at .8nm or 80 channels at .4nm
spacing, CWDM or DWDM? .......Answer.........DWDM
What kind of mux provides two connections at each port?
.......Answer.........Duplex mux
DWDM can produce high data rates of up to what speeds?
.......Answer.........100 Gbps
