Voice Data Video (VDV) Practice Test
Questions with Correct Answers
Guaranteed Full Score Download!!!
______ and ________ are the two types of delay measured in a cable test.
a. delay skew / NVP
b. NVP / return loss
c. propagation delay / delay skew
d. propagation delay / NVP
- Answer -c. propagation delay / delay skew
_________ and _________ are the two types of delay measured in a cable test.
a. Delay skew/NVP
b. NVP/return loss
c. Propagation delay/delay skew
d. Propagation delay/NVP
- Answer -c. Propagation delay/delay skew
__________ was devised so that a transmission path can carry many telephone conversations at the
same time.
a. dial tone
b. asynchronous transmission
c. tip/ring
d. multiplexing
- Answer -d. multiplexing
____________ are the most common shock-related injury.
a. Amputations
,b. Broken bones
c. Burns
d. Falls - Answer -c. Burns
"The portion of the wiring system between the load side of the overcurrent device or power-limited
supply and the connected equipment", is the definition of a _______.
a. Class 1 circuit
b. Class 2 circuit
c. Class 3 circuit
d. Circuit Integrity cable
- Answer -a. Class 1 circuit
REF: [NEC] 725.2
10. Installation of equipment that is electrically connected to a communications network shall
__________________________.
a. also include temporary connection of testing equipment for maintenance or repair.
b. be listed as being suitable for electrical connection to a communication network.
c. be listed as being suitable for electrical connection to a communications network including temporary
connection of testing equipment for maintenance orrepair.
d. none of the above
- Answer -b. be listed as being suitable for electrical connection to a communication network.
REF: [NEC] 800.170, 800.18
46. What size outdoor antenna conductor shall be used for a receiving station, where at the maximum
open span length is 150 feet, and the material is hard-drawn copper?
a. 20 AWG
b. 19 AWG
c. 14 AWG
d. 12 AWG
- Answer -c. 14 AWG
REF: [NEC] 810.16(A)
,48. For new construction, a minimum of one communications outlet shall be installed within the
dwelling unit ____________.
a. in the entry way
b. in a common area
c. in a readily accessible area
d. near the service providers point of demarcation
- Answer -c. in a readily accessible area
REF: [NEC] 800.156
A ______ is used to measure optical power.
a. dispersion meter
b. light source
c. power meter
d. volt ohmmeter - Answer -c. power meter
A _______ modular jack contains connection points for two telephone pairs.
a. RJ-11
b. RJ-45
c. T1
d. DTMF - Answer -a. RJ-11
A bonding jumper connected between the radio and television receiving equipment and the power
grounding electrode shall not be smaller than ______.
a. 18 AWG
b. 12 AWG
c. 10 AWG
d. 6 AWG - Answer -d. 6 AWG
REF: [NEC] 810.21(J)
, A bonding jumper not smaller than ______ copper or equivalent shall be connected between the CATV
systems grounding electrode system at the building or structure served where separate electrodes are
used.
a. 12 AWG
b. 10 AWG
c. 8 AWG
d. 6 AWG - Answer -d. 6 AWG
REF: [NEC] 820.100(D)
A cable is required to have a minimum of how many conductors?
a. one
b. two
c. three
d. four - Answer -b. two
REF: [NEC] 800.2
A compression driver is:
a. a seal-tite fitting used on high conduit joints to prevent leakage
b. software used to compress a hard disk
c. the device that produces the high or mid frequency energy that is fed into a horn or other relating
device
d. a subwoofer - Answer -c. the device that produces the high or mid frequency energy that is fed
into a horn or other relating device
A control circuit for a permanent amusement attraction should be supplied from a source that has a
rated output of not more than:
a. 24 volts and 15 amperes
b. 30 volts and 20 amperes
c. 24 volts and 1000 volt-amperes
Questions with Correct Answers
Guaranteed Full Score Download!!!
______ and ________ are the two types of delay measured in a cable test.
a. delay skew / NVP
b. NVP / return loss
c. propagation delay / delay skew
d. propagation delay / NVP
- Answer -c. propagation delay / delay skew
_________ and _________ are the two types of delay measured in a cable test.
a. Delay skew/NVP
b. NVP/return loss
c. Propagation delay/delay skew
d. Propagation delay/NVP
- Answer -c. Propagation delay/delay skew
__________ was devised so that a transmission path can carry many telephone conversations at the
same time.
a. dial tone
b. asynchronous transmission
c. tip/ring
d. multiplexing
- Answer -d. multiplexing
____________ are the most common shock-related injury.
a. Amputations
,b. Broken bones
c. Burns
d. Falls - Answer -c. Burns
"The portion of the wiring system between the load side of the overcurrent device or power-limited
supply and the connected equipment", is the definition of a _______.
a. Class 1 circuit
b. Class 2 circuit
c. Class 3 circuit
d. Circuit Integrity cable
- Answer -a. Class 1 circuit
REF: [NEC] 725.2
10. Installation of equipment that is electrically connected to a communications network shall
__________________________.
a. also include temporary connection of testing equipment for maintenance or repair.
b. be listed as being suitable for electrical connection to a communication network.
c. be listed as being suitable for electrical connection to a communications network including temporary
connection of testing equipment for maintenance orrepair.
d. none of the above
- Answer -b. be listed as being suitable for electrical connection to a communication network.
REF: [NEC] 800.170, 800.18
46. What size outdoor antenna conductor shall be used for a receiving station, where at the maximum
open span length is 150 feet, and the material is hard-drawn copper?
a. 20 AWG
b. 19 AWG
c. 14 AWG
d. 12 AWG
- Answer -c. 14 AWG
REF: [NEC] 810.16(A)
,48. For new construction, a minimum of one communications outlet shall be installed within the
dwelling unit ____________.
a. in the entry way
b. in a common area
c. in a readily accessible area
d. near the service providers point of demarcation
- Answer -c. in a readily accessible area
REF: [NEC] 800.156
A ______ is used to measure optical power.
a. dispersion meter
b. light source
c. power meter
d. volt ohmmeter - Answer -c. power meter
A _______ modular jack contains connection points for two telephone pairs.
a. RJ-11
b. RJ-45
c. T1
d. DTMF - Answer -a. RJ-11
A bonding jumper connected between the radio and television receiving equipment and the power
grounding electrode shall not be smaller than ______.
a. 18 AWG
b. 12 AWG
c. 10 AWG
d. 6 AWG - Answer -d. 6 AWG
REF: [NEC] 810.21(J)
, A bonding jumper not smaller than ______ copper or equivalent shall be connected between the CATV
systems grounding electrode system at the building or structure served where separate electrodes are
used.
a. 12 AWG
b. 10 AWG
c. 8 AWG
d. 6 AWG - Answer -d. 6 AWG
REF: [NEC] 820.100(D)
A cable is required to have a minimum of how many conductors?
a. one
b. two
c. three
d. four - Answer -b. two
REF: [NEC] 800.2
A compression driver is:
a. a seal-tite fitting used on high conduit joints to prevent leakage
b. software used to compress a hard disk
c. the device that produces the high or mid frequency energy that is fed into a horn or other relating
device
d. a subwoofer - Answer -c. the device that produces the high or mid frequency energy that is fed
into a horn or other relating device
A control circuit for a permanent amusement attraction should be supplied from a source that has a
rated output of not more than:
a. 24 volts and 15 amperes
b. 30 volts and 20 amperes
c. 24 volts and 1000 volt-amperes
