Exam (elaborations)
ELECTRICAL LVL 3 MOD 10 VOICE, DATA, AND VIDEO QUESTIONS AND ANSWERS
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ELECTRICAL LVL 3 MOD 10 VOICE, DATA, AND VIDEO QUESTIONS AND ANSWERS
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Name: Score:45 Multiple choice questions
Term 1 of 45
All cables entering a plenum-rated horizontal subsystem must be ____
Also plenum rated
Standard rated for indoor use
Heavy-duty for outdoor use
Only fire-resistant
Term 2 of 45
Telecom cables in an ER or TR subsystem must be separated from electrical conduit or cable
by at least ____
24 inches
18 inches
12 inches
6 inches
Term 3 of 45
When installing multiple cables, the term diver refers to ____
A cable that is only used for audio signals
A cable that is used for power distribution
A cable that connects two different networks
A cable that crosses and disappears into the bundle
,Term 4 of 45
Firestopping
A type of cable that has a center conductor separated from the outer conductor by a
dielectric. Used to transmit very small currents or high-frequency signals.
A facility for connecting cable runs, subsystems, and equipment using patch cords or
jumper cable.
A material or mechanical device used to block openings in walls, ceilings or floors to
prevent the passage of fire or smoke.
A change of timing or phase in transmission signal.
Term 5 of 45
Coaxial cable
A type of cable that has a center conductor separated from the outer conductor by a
dielectric. Used to transmit very small currents or high-frequency signals.
A type of high density polyethylene (HDPE) conduit that is available in both corrugated
and smooth types, and is often placed inside a larger raceway to run communications
cable
A connecting cable used with cross-connect equipment and work area cables. It has
three conductive portions separated by insulators
A material or mechanical device used to block openings in walls, ceilings or floors to
prevent the passage of fire or smoke.
Term 6 of 45
Innerduct on horizontal subsystems must be labeled within ____
Clear protection and affixed
12" of the termination point (1.4.4)
Campus backbone subsystem
48" AFF (at finished floor) (1.5.0)
,Term 7 of 45
All conductors for ____ must run in straight lines and be protected from physical damage.
Grounding
Signal Processing
Data Transmission
Power Distribution
Term 8 of 45
Backbone
A wireless connection for mobile devices
A high-capacity network link between two sections of a network
A low-capacity network link for home use
A temporary connection for testing purposes
Term 9 of 45
Patch Cord
A facility for connecting cable runs, subsystems, and equipment using patch cords or
jumper cable.
A connecting cable used with cross-connect equipment and work area cables. It has
three conductive portions separated by insulators
A change of timing or phase in transmission signal.
Testing
, Term 10 of 45
When installing plastic or metallic OSP buried conduit (NEMA TC-6& TC-8), all 90-degree
bends must have a minimum sweep of _____
3 inches
5 feet (sect. 1.5.0)
A cable that crosses and disappears into the bundle
Electromagnetic
Term 11 of 45
The minimum size grounding conductor for fiber optic is ____
#16 Awg
#12 Awg
#10 Awg
#14 AWG
Term 12 of 45
Ethernet
A local area network (LAN) developed by xerox corporation that uses a bus or star
topology. Ethernet is currently the most popular type of LAN
A type of cable that has a center conductor separated from the outer conductor by a
dielectric. used to transmit very small currents or high-frequency signals.
True
A facility for connecting cable runs, subsystems, and equipment using patch cords or
jumper cable.
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