Practice INSTC_V7 Questions With Certification guide Q&A from Training Expert [Q18-Q39] : Free Exams Dumps Materials : http://exams.dumpsmaterials.com

NO.18 A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______?

5 m (16.5′)

10 m (33′)

15 m (50′)

30 m (100′)

NO.19 What is the maximum pull force for four-strand optical fiber?

222N (50 lbf)

330 N (75lbf)

880 N (200 lbf)

NO.20 Which of the following is permissible if the available firestop assembly is NOT capable of properly restoring the necessary fire rating?

Substitute products from another assembly

Add more of the product to increase the rating

Obtain written assistance from the manufacturer

Move the installation to another location

NO.21 What is the size of a rack-mounted unit (RMU)?

25 mm (1″)

38 mm (1.5″)

45 mm (1.75″)

50 mm (2″)

NO.22 Which of the following fire ratings refers to the time period that the unexposed surface of a firestop assembly does not exceed 180 degrees C (325 degrees F) above its initial temperature?

E rating

FT rating

FH rating

S rating

NO.23 Which of the following attachment methods does BICSI recommend for attaching coaxial connectors to coaxial cable?

Screw-on

Push-on

Compression

Crimp

NO.24 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′)

NO.25 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

NO.26 The information transmitted by an ICT system can originate in two fundamental forms:

Synchronous and asynchronous

Light and sound

Progressive and regressive

Analog and digital

NO.27 Electrical power (P) is measured in ___________?

Ohms

Farads

henries

Watts

NO.28 Which topology uses a linear configuration that places all network devices on one length of cable?

Star

Ring

Bus

NO.29 Volts are measurement of _______?

Light reflection

Electrical pressure

Electromagnetic radiation

Sound waves

NO.30 The horizontal distance from the base of the ladder to the supporting wall should be ____ percent the working length of the ladder.

NO.31 Which of the following is used to equalize potential differences between the SBB on the same floor?

TBB

BBC

RBB

TEBC

NO.32 What is the bend radius requirement for optical fiber cable when the cable is at rest?

10 times the cables outside diameter

15 times the cables outside diameter

20 times the cables outside diameter

NO.33 What is the specified performance level for Category 6 cable?

100 MHz

250 MHz

500 MHz

600 MHz

NO.34 Which of the following is designed to provide protection from harmful chemicals?

Cut-resistant gloves

Rubber gloves

Leather gloves

NO.35 Light pulses in optical fiber cables are subjected to a loss in power as the light pulses travel along the optical fiber. Which of the following terms is used to describe this phenomenon?

Attenuation

Grounding

Crosstalk

Frequency

NO.36 What is the primary purpose of firestopping?

Increase a facilities ability to detect fires

Reestablish the barrier’s fire rating

Restore the barrier’s original load-bearing capacity

Suppress fires before they can spread

NO.37 Which of the following terms describes the ration of the power of the outgoing signal to the power of the reflected signal expressed in decibels?

Mutual capacitance

Characteristic impedance

Insertion loss

Return loss

NO.38 Which of the following is used to connect cabinets to the nearest SBB?

RBB

TBB

TEBC

BBC

NO.39 Unqualified workers must stay AT LEAST ____ from exposed energized conductors operating at 300 to
50,000 V.

0.3 m (1′)

3 m (10′)

15 m (50″)

30 m (100′)