Minnesota Voice Data Video Installer
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. Which cable category is commonly used for Gigabit Ethernet
installations?
A. Category 3
B. Category 5
C. Category 5e
D. Category 2
Answer: Category 5e
Rationale: Category 5e supports Gigabit Ethernet and is widely used in
voice, data, and video installations.
2. What is the maximum horizontal cable length allowed by TIA
standards for twisted-pair cabling?
, A. 50 meters
B. 75 meters
C. 120 meters
D. 90 meters
Answer: 90 meters
Rationale: TIA standards limit horizontal cabling to 90 meters, excluding
patch cords.
3. Which connector is most commonly used for Ethernet cabling?
A. BNC
B. F-Type
C. SC
D. RJ-45
Answer: RJ-45
Rationale: RJ-45 connectors are standard for Ethernet network cabling.
4. Which test instrument is used to verify cable performance and
certification?
A. Voltmeter
B. Oscilloscope
C. Cable Certifier
D. Clamp Meter
,Answer: Cable Certifier
Rationale: Cable certifiers test installed cabling against industry standards.
5. What is the purpose of a patch panel?
A. Amplify signals
B. Generate network traffic
C. Provide cable termination and management
D. Supply power
Answer: Provide cable termination and management
Rationale: Patch panels organize and terminate structured cabling
systems.
6. Which standard governs commercial building telecommunications
cabling?
A. NEC Article 110
B. IEEE 802.11
C. TIA-568
D. OSHA 1910
Answer: TIA-568
Rationale: TIA-568 establishes requirements for structured cabling
systems.
, 7. What is crosstalk?
A. Ground fault current
B. Fiber attenuation
C. Signal interference between conductors
D. Video distortion
Answer: Signal interference between conductors
Rationale: Crosstalk occurs when signals from one conductor affect
another.
8. Which fiber optic cable type is typically used for long-distance
communications?
A. Multimode OM1
B. Multimode OM2
C. Multimode OM3
D. Single-mode
Answer: Single-mode
Rationale: Single-mode fiber supports greater distances and bandwidth.
9. What is the purpose of bonding telecommunications systems?
A. Improve bandwidth
B. Reduce attenuation
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. Which cable category is commonly used for Gigabit Ethernet
installations?
A. Category 3
B. Category 5
C. Category 5e
D. Category 2
Answer: Category 5e
Rationale: Category 5e supports Gigabit Ethernet and is widely used in
voice, data, and video installations.
2. What is the maximum horizontal cable length allowed by TIA
standards for twisted-pair cabling?
, A. 50 meters
B. 75 meters
C. 120 meters
D. 90 meters
Answer: 90 meters
Rationale: TIA standards limit horizontal cabling to 90 meters, excluding
patch cords.
3. Which connector is most commonly used for Ethernet cabling?
A. BNC
B. F-Type
C. SC
D. RJ-45
Answer: RJ-45
Rationale: RJ-45 connectors are standard for Ethernet network cabling.
4. Which test instrument is used to verify cable performance and
certification?
A. Voltmeter
B. Oscilloscope
C. Cable Certifier
D. Clamp Meter
,Answer: Cable Certifier
Rationale: Cable certifiers test installed cabling against industry standards.
5. What is the purpose of a patch panel?
A. Amplify signals
B. Generate network traffic
C. Provide cable termination and management
D. Supply power
Answer: Provide cable termination and management
Rationale: Patch panels organize and terminate structured cabling
systems.
6. Which standard governs commercial building telecommunications
cabling?
A. NEC Article 110
B. IEEE 802.11
C. TIA-568
D. OSHA 1910
Answer: TIA-568
Rationale: TIA-568 establishes requirements for structured cabling
systems.
, 7. What is crosstalk?
A. Ground fault current
B. Fiber attenuation
C. Signal interference between conductors
D. Video distortion
Answer: Signal interference between conductors
Rationale: Crosstalk occurs when signals from one conductor affect
another.
8. Which fiber optic cable type is typically used for long-distance
communications?
A. Multimode OM1
B. Multimode OM2
C. Multimode OM3
D. Single-mode
Answer: Single-mode
Rationale: Single-mode fiber supports greater distances and bandwidth.
9. What is the purpose of bonding telecommunications systems?
A. Improve bandwidth
B. Reduce attenuation
