VoicE Data Video Practice Test Study
Guide 2026-2027 | Accurate Questions
and Correct Detailed Answers with
Rationales | 100% Guaranteed Pass
(Brand New Version)
The Voice-Data-Video (VDV) Practice Test Study Guide 2026-2027 is a key resource for
professionals preparing for certification in VDV systems. This practice test includes accurate
questions designed to reflect the standards, protocols, and specifications commonly found in
VDV-related exams. By using this study guide, candidates can familiarize themselves with the
types of questions they’ll encounter on the exam, assess their knowledge, and improve their
understanding of voice, data, and video systems.
The practice test covers all essential topics, including VDV system design, network architecture,
cabling standards, equipment specifications, and troubleshooting techniques. Each question in
the practice test is followed by a detailed rationale to ensure candidates understand the
reasoning behind the correct answer. This allows for a deeper comprehension of VDV systems,
which is crucial for success both on the test and in the real world.
Updated for the 2026-2027 exam cycle, this study guide incorporates the latest industry
standards and technologies in VDV systems. With a 100% guaranteed pass, the practice test
prepares you for certification exams and strengthens your understanding of VDV design,
installation, and maintenance practices.
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)
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)
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
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
Guide 2026-2027 | Accurate Questions
and Correct Detailed Answers with
Rationales | 100% Guaranteed Pass
(Brand New Version)
The Voice-Data-Video (VDV) Practice Test Study Guide 2026-2027 is a key resource for
professionals preparing for certification in VDV systems. This practice test includes accurate
questions designed to reflect the standards, protocols, and specifications commonly found in
VDV-related exams. By using this study guide, candidates can familiarize themselves with the
types of questions they’ll encounter on the exam, assess their knowledge, and improve their
understanding of voice, data, and video systems.
The practice test covers all essential topics, including VDV system design, network architecture,
cabling standards, equipment specifications, and troubleshooting techniques. Each question in
the practice test is followed by a detailed rationale to ensure candidates understand the
reasoning behind the correct answer. This allows for a deeper comprehension of VDV systems,
which is crucial for success both on the test and in the real world.
Updated for the 2026-2027 exam cycle, this study guide incorporates the latest industry
standards and technologies in VDV systems. With a 100% guaranteed pass, the practice test
prepares you for certification exams and strengthens your understanding of VDV design,
installation, and maintenance practices.
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)
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)
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
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
