Page 1 of 63
Voice Data Video (VDV) Practice Test – Actual
Exam Questions, Answers & Verified
Rationales | Comprehensive VDV Exam
Preparation Guide
What is the minimum voice cabling type for a residential application?
a. 4-pair, category 2
b. 4-pair, category 3
c. 4-pair, category 5
d. 4-pair, station wire
b. 4-pair, category 3
The cable voltage ratings on communications wires and cables ____________ be marked on the
cable or on the under carpet communications wire.
a. must
b. must not
c. shall
d. shall not
d. shall not
REF: [NEC] 800.179
What is the smallest size grounding conductor that can be used for a CATV system?
a. 18 AWG
b. 14 AWG
c. 12 AWG
d. 6 AWG
b. 14 AWG
REF: [NEC] 820.100(A)(3)
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Which type of communication cable would you use between floors?
a. CM
b. CMP
c. CMG
d. CMR
d. CMR
REF: [NEC] 800.179(B) or 800.154(a)
The "C" in optical fiber cabling marking means __________.
a. compliance
b. conductive
c. composite
d. copper
b. conductive
REF: [NEC] 770.179
Class 1 Remote Control & Signaling Circuits power output of the source shall _________.
a. not be required to be limited
b. be required to be limited
c. be limited to 1000 VA
d. both A & C
a. not be required to be limited
REF: [NEC] 725.41(B)
Direct buried CATV coaxial cables shall be separated by at least ______ inches from conductors
of any light or power or Class 1 circuit.
a. 6
b. 12
c. 24
d. 36
b. 12
REF: [NEC] 820.47(B)
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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)?
a. OFC & OFCG
b. OFNR & OFNG
c. OFCP & OFCR
d. OFCP & OFNP
d. OFCP & OFNP
REF: [NEC] 770.154(A) & 770.113(C)(2)
The total voltage of two 12V batteries installed in parallel would be equal to?
a. 12VAC
b. 24VAC
c. 12VDC
d. 24VDC
c. 12VDC
The ________ portion of abandoned communications cables shall be removed.
a. accessible
b. viewable
c. surface
d. hidden
a. accessible
REF: [NEC] 800.25
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
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b. be listed as being suitable for electrical connection to a communication network.
REF: [NEC] 800.170, 800.18
What type of coaxial cable could be substituted for CATV cable?
a. CMX
b. CATVP
c. FPLP
d. all of the above.
b. CATVP
REF: [NEC] 820.154(b)
Access to electrical equipment ______________ be denied by an accumulation of optical fiber
cables that _______ removal of panels including suspended ceiling panels.
a. shall not, prevents
b. shall not, impedes
c. shall not, conveys
d. none of the above
a. shall not, prevents
REF: [NEC] 770.21
Which group of optical fiber cable markings is not correct?
a. OFNP, OFCP, OFNR
b. OFNP, OFNX
c. OFCG, OFC
d. OFNP, OFNR
b. OFNP, OFNX
REF: [NEC] 770.179
OFNP is _______________.
a. nonconductive optical fiber general purpose cable
b. optical fiber non-plenum cable
c. optical fiber conductive plenum cable
d. nonconductive optical fiber plenum cable.
Voice Data Video (VDV) Practice Test – Actual
Exam Questions, Answers & Verified
Rationales | Comprehensive VDV Exam
Preparation Guide
What is the minimum voice cabling type for a residential application?
a. 4-pair, category 2
b. 4-pair, category 3
c. 4-pair, category 5
d. 4-pair, station wire
b. 4-pair, category 3
The cable voltage ratings on communications wires and cables ____________ be marked on the
cable or on the under carpet communications wire.
a. must
b. must not
c. shall
d. shall not
d. shall not
REF: [NEC] 800.179
What is the smallest size grounding conductor that can be used for a CATV system?
a. 18 AWG
b. 14 AWG
c. 12 AWG
d. 6 AWG
b. 14 AWG
REF: [NEC] 820.100(A)(3)
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Which type of communication cable would you use between floors?
a. CM
b. CMP
c. CMG
d. CMR
d. CMR
REF: [NEC] 800.179(B) or 800.154(a)
The "C" in optical fiber cabling marking means __________.
a. compliance
b. conductive
c. composite
d. copper
b. conductive
REF: [NEC] 770.179
Class 1 Remote Control & Signaling Circuits power output of the source shall _________.
a. not be required to be limited
b. be required to be limited
c. be limited to 1000 VA
d. both A & C
a. not be required to be limited
REF: [NEC] 725.41(B)
Direct buried CATV coaxial cables shall be separated by at least ______ inches from conductors
of any light or power or Class 1 circuit.
a. 6
b. 12
c. 24
d. 36
b. 12
REF: [NEC] 820.47(B)
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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)?
a. OFC & OFCG
b. OFNR & OFNG
c. OFCP & OFCR
d. OFCP & OFNP
d. OFCP & OFNP
REF: [NEC] 770.154(A) & 770.113(C)(2)
The total voltage of two 12V batteries installed in parallel would be equal to?
a. 12VAC
b. 24VAC
c. 12VDC
d. 24VDC
c. 12VDC
The ________ portion of abandoned communications cables shall be removed.
a. accessible
b. viewable
c. surface
d. hidden
a. accessible
REF: [NEC] 800.25
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
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b. be listed as being suitable for electrical connection to a communication network.
REF: [NEC] 800.170, 800.18
What type of coaxial cable could be substituted for CATV cable?
a. CMX
b. CATVP
c. FPLP
d. all of the above.
b. CATVP
REF: [NEC] 820.154(b)
Access to electrical equipment ______________ be denied by an accumulation of optical fiber
cables that _______ removal of panels including suspended ceiling panels.
a. shall not, prevents
b. shall not, impedes
c. shall not, conveys
d. none of the above
a. shall not, prevents
REF: [NEC] 770.21
Which group of optical fiber cable markings is not correct?
a. OFNP, OFCP, OFNR
b. OFNP, OFNX
c. OFCG, OFC
d. OFNP, OFNR
b. OFNP, OFNX
REF: [NEC] 770.179
OFNP is _______________.
a. nonconductive optical fiber general purpose cable
b. optical fiber non-plenum cable
c. optical fiber conductive plenum cable
d. nonconductive optical fiber plenum cable.
