Exam (elaborations)
VOICE DATA VIDEO (VDV) PRACTICE TEST QUESTIONS AND ANSWERS
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VOICE DATA VIDEO (VDV) PRACTICE TEST QUESTIONS AND ANSWERS
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Name: Score:254 Multiple choice questions
Term 1 of 254
What does the acronym AFF stand for?
the measurement from the foundation to the bottom of the box
the measurement from the bottom of the box to the finished floor
the measurement from the center of the box to the finished floor
none of these
Term 2 of 254
Access to electrical equipment shall not be denied by an accumlation of communications
wires and cables that prevents removal of ________, including suspended ceiling panels.
covers
panels
doors
boxes
Term 3 of 254
Which condition requires no separation between electric power and communications cable
conductors?
the communications cable jacket is rated for 300 volts
power cables are introduced solely to power communications equipment
communications cable conductors and electric power conductors are functionally
associated
communications cable conductors are separated from electric power by a firmly fixed
nonconductive flexible tubing
,Term 4 of 254
Which of the following is not covered in Article 810?
dish antennas
amateur radio equipment
television receiving equipment
carrier current coupling equipment
Term 5 of 254
What two types of optical fiber cables are permitted to be installed in listed plenum raceways
(installed as described in 300.22(B) and 300.22(C)?
OFC & OFCG
OFNR & OFNG
OFCP & OFCR
OFCP & OFNP
Term 6 of 254
What type of fiber cable is used by the telephone industry for long distance communications,
where the bandwidth is essentialy infinite?
multimode
singlemode
U.T.P.
F.J.M
,Term 7 of 254
Only these types of cables shall be permitted to be installed in listed riser CATV raceways in
vertical riser runs from floor to floor.
CATVR, CATVP
CATVR, CATVX
CATVR, CATV
CATVR, CMG, CM, CATVP
Term 8 of 254
An inverted triangle that is completely shaded in and has an "X" over the top right corner
means ___________.
delete this location
multiple drops here
add this location
label this location "X"
Term 9 of 254
In a high frequency driver, the diaphragm is:
coned
domed
formed
styrofoam
, Term 10 of 254
What is the proper way to ascend and descend a ladder?
a. facing away
b. carrying material
c. facing towards
d. both b & c
Term 11 of 254
A cable is required to have a minimum of how many conductors?
one
two
three
four
Term 12 of 254
Acoustic signals produced by a loudspeaker fall within the range of _________.
20Hz - 200KHz
20Hz - 20KHz
20Hz - 200MHz
20Hz - 20MHz
Term 13 of 254
What things need to be considered when installing pan/tilt camera units?
is there enough horizontal clearance for the total movement required?
is there enough vertical clearance for the total movement required?
will this unit be subject to wind-loading
all the above
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