Exam (elaborations)
VDV APPLICATIONS AND INSTALLATION (PART 1 OF 3) QUESTIONS AND ANSWERS
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VDV APPLICATIONS AND INSTALLATION (PART 1 OF 3) QUESTIONS AND ANSWERS
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93 Multiple choice questionsTerm 1 of 93
_____ cables are excellent for shielding out interference from other cables, but they do not
protect the pairs from interference from adjacent pairs in the same cable.
F/UTP
S/utp
Four
Legacy Stp
Term 2 of 93
With modern VDV systems, _____ cable is the most common type of transmission cable used.
coaxial
twisted-pair
fiber-optic
single-core
Term 3 of 93
A(n) _____ system controls security cameras.
monitoring
notification
surveillance
alarm
,Term 4 of 93
In the last _____ years, common network speeds have gone from one megabit per second
(Mbps) to 10 gigabits per second (Gbps).
100 m
20
5e
four
Term 5 of 93
Insulated jackets are not used to _____.
deliver power to a load by means of a plug
protect against physical damage
connect devices to a network
insulate against electrical shock
Term 6 of 93
An OTDR uses reflected light instead of a direct measurement.
True
False
Term 7 of 93
In commercial installations, a standard, _____-button telephone was the most common type of
telephone used.
six
two
four
eight
,Term 8 of 93
_____ injuries are often the result of improper lifting procedures, but they can be prevented
through proper planning.
Back
Knee
Wrist
Shoulder
Term 9 of 93
Together with _____, RJ-45 connectors and cables compose a horizontal UTP cabling system.
I. jacks
II. patch cables
III. patch panels
I. clothing
II. glasses
III. gloves
IV. hard hats
I. appropriate first-aid measures
II. instructions for its safe use
III. its potential hazards
IV. proper disposal
I. aerosol spray cleaners
II. antioxidant compounds
III. wire-pulling lubricants
Term 10 of 93
All test equipment must be used per the written instructions from the OEM.
True
False
, Term 11 of 93
The company that originated long range electronic communications was the _____.
Bell system
American Telephone and Telegraph Company (AT&T)
Sprint corporation
Western union
Term 12 of 93
_____ is the reduction of power in any signal, light beam, or light wave, either completely or as a
percentage of a reference value.
Attenuation
Amplification
Absorption
Refraction
Term 13 of 93
Technicians use _____ to patch into telephone lines to verify that they are in proper working
order, as well as to run computerized tests on the lines.
butt sets
oscilloscopes
signal testers
multimeters
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