Mar-2026 Realistic INST1-V8 Exam Dumps with Accurate & Updated Questions [Q66-Q90]

Rate this post

Mar-2026 Realistic INST1-V8 Exam Dumps with Accurate & Updated Questions

INST1-V8 Exam Dumps – PDF Questions and Testing Engine

Q66. What is the maximum pull force for four-strand optical fiber?

222N (50 lbf)

330 N (75lbf)

880 N (200 lbf)

Q67. What is the characteristic impedance of Series-6 coaxial cable?

25 ohms

50 ohms

75 ohms

100 ohms

Q68. Which of the following fire-ratings provides information about smoke leakage?

L rating

I rating

E rating

W rating

Q69. Which of the following components is used to bond the electrical system’s grounding electrode system to the PBB?

RBB

BBC

TBB

TBC

Q70. What is the required physical topology for a SCS?

Star

Bus

Ring

Tree

Q71. What is the recommended minimum amount of aisle space between and around equipment?

0.6 m (2′)

1 m (3.3′)

1.2 m (4′)

1.52 m (5′)

Q72. Which of the following PPE items MUST be worn at all times when you are working with or handling OF?

Fall Protection

Eye Protection

Hearing Protection

Breathing Protection

Q73. Which of the following refers to a set of rules issued by a governmental body at the state level within the US?

Regulations

Best Practices

Applications

Guidelines

Q74. Which of the following is used to connect cabinets to the nearest SBB?

RBB

TBB

TEBC

BBC

Q75. Which of the following are typically used to support cables between a cable tray and work area outlets?

J-Hook

Innerduct

Pipe hanger

Trapeze

Q76. How far should the top of a ladder extend above the roofline?

0.3 m (1′)

0.5 m (1.6′)

0.6 m (2′)

0.9 m (3′)

Q77. Which of the following is used to perform continuity and length tests for coaxial cable?

TDR (Time domain reflectometer) with an adapter

OLTS (optical loss test set)

VFL (visual fault locator)

OTDR (optical time domain reflectometer

Q78. The horizontal distance from the base of the ladder to the supporting wall should be ____ percent the working length of the ladder.

Q79. Which of the following is used to establish a 0 volt (V) reference for ac electrical power systems?

Alternating current (AC) grounding electrode system

Telecommunication bonding infrastructure

Equipment grounding system

Q80. What is the recommended thickness for plywood that will be mounted on the walls of a telecommunications room?

12.7 mm (1/2″)

19 mm (3/4″)

25 mm (1″)

32 mm (1-1/4″)

Q81. What is the minimum inside bend radius for balanced twisted pair (4 pair) cable?

25 mm (1″)

50 mm (2″)

4 times the outside cable diameter

15 times the outside cable diameter

Q82. What is the specified performance level for Category 8 cable?

100 MHz

250 MHz

1000 MHz

2000 MHz

Q83. Which of the following must be measured before the length of a coaxial cable can be calculated?

Propagation delay

Insertion loss

DC loop resistance

Delay skew

Q84. Which of the following is used to equalize potential differences between the SBB on the same floor?

TBB

BBC

RBB

TEBC

Q85. How many cycles are in 10Hz?

Q86. A grey backboard should be used to identify _____ backbone cable?

Second-level

Intrabuilding

First-level

Q87. Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit?

Impedance

Capacitance

Inductance

Resistance

Q88. What is the primary purpose of an electrical grounding system?

Ensure a minimal level of acceptable performance for a building’s telecommunications infrastructure

Enhance personnel safety and reduce the likelihood of a fire hazard

Protect and provide organization for cables, splices and connectors

Prevent unauthorized access to the buildings electrical protection system

Q89. A radio station transmits an omnidirectional signal that is received by multiple radios. What type of transmission method is used in this example?

Simplex

Half-duplex

Full-duplex

Q90. What is the primary purpose of the telecommunications bonding infrastructure?

Equalize potentials between metallic surfaces and equipment within entrance facilities

Improve the performance of the installed telecommunications equipment

Provide backup power to the telecommunications equipment when primary power to the equipment fails.

Loading …