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Voice Data Video (VDV) Practice Test Questions & answers with Complete solutions | Latest edition

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Voice Data Video (VDV) Practice Test Questions & answers with Complete solutions | Latest edition Voice Data Video (VDV) Practic Questions & answers with Complete solutions | Latest edition e Test

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  • July 3, 2024
  • 52
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • voice data video vdv practice test questions

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Voice Data Video (VDV) Practice Test
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 - ANS-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 - ANS-b. 14 AWG
REF: [NEC] 820.100(A)(3)

Which type of communication cable would you use between floors?

a. CM
b. CMP
c. CMG
d. CMR - ANS-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 - ANS-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 - ANS-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 - ANS-b. 12
REF: [NEC] 820.47(B)

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 - ANS-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 - ANS-c. 12VDC

The ________ portion of abandoned communications cables shall be removed.

a. accessible
b. viewable
c. surface
d. hidden - ANS-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 - ANS-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. - ANS-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 - ANS-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 - ANS-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. - ANS-d. nonconductive optical fiber
plenum cable.
REF: [NEC] 770.179

What are the permitted substitutions for a CL3R?

a. CMP, CL3P, CMR
b. CMP, CL3P, CL2P
c. CMP, CL3P, CL2P, CMR, CL3R
d. CL3R, CMG, CM, PLTC - ANS-a. CMP, CL3P, CMR
REF: [NEC] 725.154(A)

CL2 nomenclature stands for?

a. Communication Level 2
b. Class 2
c. Conductive Load x2
d. none of the above - ANS-b. Class 2
REF: [NEC] 725.179

Communication wires and cables shall have a voltage rating of not less than ________.

a. 100 Volts
b. 300 Amps
c. 300 Volts
d. 600 Volts - ANS-c. 300 Volts
REF: [NEC] 800.179

What article would you find information regarding Radio & Television equipment?

a. Article 720
b. Article 725
c. Article 770
d. Article 810 - ANS-d. Article 810

Which optical fiber cable(s) could be substituted for OFNR?

a. OFN, OFNG
b. OFNP
c. OFNG

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