FOA CFOT UPDATED TESTED QUESTIONS AND ANSWERS
GUARANTEE A+
✔✔Hybrid - ✔✔A cable that contains both singlemode and multimode fiber is called a
____________cable.
✔✔Horizontal cabling - ✔✔What is the cable form telecom closet (room) to the work
outlet called?
✔✔Backbone cabling - ✔✔What is the cabling from the telecom closet to the main cross
connect or computer center called?
✔✔Singlemode and multimode fiber optic cable - ✔✔What other cables are recognized
in the TIA-568 commercial structured cabling standards?
✔✔The aramid strength members inside the cable - ✔✔Fiber optic cable should be
pulled by__________.
✔✔Can harm cables if too tight, so they should be hand-tightened snugly - ✔✔Cable
ties used on category-rated UTP or fiber optic cables____________.
✔✔Proper documentation - ✔✔__________will facilitate installation, allow better
planning for upgrades and simplify testing on any cabling system.
✔✔Connectors are demountable, while splices are permanent - ✔✔The primary
difference between a fiber optic connector and a splice is_________.
✔✔as being suitable for use in a vertical run in a shaft or from floor to floor and shall
also be listed as having fire-resistant characteristics capable of preventing the carrying
of fire form floor to floor. - ✔✔Communication rise cable (Type CMR in the US) shall be
listed___________.
✔✔Cable tested to EIA/TIA and ISO/IEC specifications - ✔✔What is a "certified" UTP
cable?
✔✔Patchcords and interconnects on either end of the link - ✔✔What is included in a
UTP cabling "channel " test that is not included in a "permanent link " test?
✔✔Terminating one end as T568A and the other as T568B - ✔✔What is the mostly
likely cause if crossed or transposed pairs 2 and 3 in a terminated UTP cabling system?
✔✔The total crosstalk signals in one pair coupled from the other 3 pairs - ✔✔What is
"powersum" crosstalk?
, ✔✔Visual inspection with microscope, Testing for inspection loss with an optical loss
test set, Confirming connector polarization - a fiber must always go from a transmitter to
a receiver: All of the above - ✔✔Fiber optic cables and their connectors should be
verified by__________.
✔✔Not recommended since cables are generally too short - ✔✔Test premises cables
with an OTDR (optical time domain reflectormeter) is_____________.
✔✔Plenum-rated (OFNP, optical fiber nonconductive plenum) - ✔✔Which of these fiber
optic cable types may be installed in air handling areas in a building?(US cable types
listed)
✔✔Fiber size and connector type - ✔✔Reference cable for fiber optic testing must
match the__________ of the cable being tested.
✔✔Light source and power meter or optical loss test set (LSPM or OLTS) - ✔✔Prior to
customer acceptance or system turn-up,__________ is used to test the fiber optic cable
to plant ensure it is within the loss budget.
✔✔OFSTP-14 or ISO/IEC 61280 (multimode) - ✔✔The industry standard method for
testing an installed multimode fiber optic cable plant described in__________.
✔✔Excess loss when coupling from 62.5/125 to 50/125 fiber - ✔✔Mixing 50/125 micron
fiber with 62.5/125 fiber can cause__________.
✔✔Other wireless networks, Remote controls like door openers, and moving objects: All
of the above - ✔✔Potential sources of interference for wireless LANS
include___________.
✔✔75 Ohm coax - ✔✔Video system like CATV or CCTV are traditionally designed to
operate over___________ cable.
✔✔Blue, Orange, Green, Brown - ✔✔The color code for each pair in a 4-pair UTP cable
✔✔WiFi - ✔✔The common IEEE 802.11 wireless LAN is also called.
✔✔Structure cabling (Cat 5e or fiber) - ✔✔Most wireless antennas connect to the
network by______________.
✔✔Do a thorough site survey - ✔✔Before beginning a wireless installation, it is most
important that you___________.
✔✔Main cross connect - ✔✔Computer Room
GUARANTEE A+
✔✔Hybrid - ✔✔A cable that contains both singlemode and multimode fiber is called a
____________cable.
✔✔Horizontal cabling - ✔✔What is the cable form telecom closet (room) to the work
outlet called?
✔✔Backbone cabling - ✔✔What is the cabling from the telecom closet to the main cross
connect or computer center called?
✔✔Singlemode and multimode fiber optic cable - ✔✔What other cables are recognized
in the TIA-568 commercial structured cabling standards?
✔✔The aramid strength members inside the cable - ✔✔Fiber optic cable should be
pulled by__________.
✔✔Can harm cables if too tight, so they should be hand-tightened snugly - ✔✔Cable
ties used on category-rated UTP or fiber optic cables____________.
✔✔Proper documentation - ✔✔__________will facilitate installation, allow better
planning for upgrades and simplify testing on any cabling system.
✔✔Connectors are demountable, while splices are permanent - ✔✔The primary
difference between a fiber optic connector and a splice is_________.
✔✔as being suitable for use in a vertical run in a shaft or from floor to floor and shall
also be listed as having fire-resistant characteristics capable of preventing the carrying
of fire form floor to floor. - ✔✔Communication rise cable (Type CMR in the US) shall be
listed___________.
✔✔Cable tested to EIA/TIA and ISO/IEC specifications - ✔✔What is a "certified" UTP
cable?
✔✔Patchcords and interconnects on either end of the link - ✔✔What is included in a
UTP cabling "channel " test that is not included in a "permanent link " test?
✔✔Terminating one end as T568A and the other as T568B - ✔✔What is the mostly
likely cause if crossed or transposed pairs 2 and 3 in a terminated UTP cabling system?
✔✔The total crosstalk signals in one pair coupled from the other 3 pairs - ✔✔What is
"powersum" crosstalk?
, ✔✔Visual inspection with microscope, Testing for inspection loss with an optical loss
test set, Confirming connector polarization - a fiber must always go from a transmitter to
a receiver: All of the above - ✔✔Fiber optic cables and their connectors should be
verified by__________.
✔✔Not recommended since cables are generally too short - ✔✔Test premises cables
with an OTDR (optical time domain reflectormeter) is_____________.
✔✔Plenum-rated (OFNP, optical fiber nonconductive plenum) - ✔✔Which of these fiber
optic cable types may be installed in air handling areas in a building?(US cable types
listed)
✔✔Fiber size and connector type - ✔✔Reference cable for fiber optic testing must
match the__________ of the cable being tested.
✔✔Light source and power meter or optical loss test set (LSPM or OLTS) - ✔✔Prior to
customer acceptance or system turn-up,__________ is used to test the fiber optic cable
to plant ensure it is within the loss budget.
✔✔OFSTP-14 or ISO/IEC 61280 (multimode) - ✔✔The industry standard method for
testing an installed multimode fiber optic cable plant described in__________.
✔✔Excess loss when coupling from 62.5/125 to 50/125 fiber - ✔✔Mixing 50/125 micron
fiber with 62.5/125 fiber can cause__________.
✔✔Other wireless networks, Remote controls like door openers, and moving objects: All
of the above - ✔✔Potential sources of interference for wireless LANS
include___________.
✔✔75 Ohm coax - ✔✔Video system like CATV or CCTV are traditionally designed to
operate over___________ cable.
✔✔Blue, Orange, Green, Brown - ✔✔The color code for each pair in a 4-pair UTP cable
✔✔WiFi - ✔✔The common IEEE 802.11 wireless LAN is also called.
✔✔Structure cabling (Cat 5e or fiber) - ✔✔Most wireless antennas connect to the
network by______________.
✔✔Do a thorough site survey - ✔✔Before beginning a wireless installation, it is most
important that you___________.
✔✔Main cross connect - ✔✔Computer Room
