Technician Review Questions Part 1

What type of system consists of cables that were installed in an air-handling space prior to mandated use of cables that meet the flame-spread and smoke-index requirements of codes, standards & regulations?

What are the 2 key components of an optical fiber?

This is the establishment of a reference for the electrical power source (AC or DC), electrical equipment or both

This provides a quick graphical representation of how a circuit is laid out

How many walls of a TR should have fire-retardant plywood?

This amount of current will cause breathing to become difficult

Who's responsibility is it to provide safety training for its employees?

Widening or spreading out of modes in a light pulse as it progresses along the optical fiber

This type of cutover is one continuous process until competed

This type of backbone cabling distributes telecommunications services between telecommunications spaces within a single building

What is the width of the TMGB

This firestop is used primarily for large air handling & exhaust vents

This type of cutover procedure has portions of the old system transferred to the new system in groups

What is the information carrying capacity of a system

What is the maximum length of FMT

26 AWG has ______ more attenuation

This is the copper conductor that interconnects the TMGB to TGB

Cross-Connect Field Colors: Network Connections

Who should the ITS installer seek guidance from for minimum safety requirements for safe work & employee health

What is the recommended maximum value for the bonding resistance between any 2 points where bonding exists

This type of backbone consists of cabling that is installed between a MC and IC/HC

This is a result from different optical fiber lengths in multimode fiber

This type of protector is used to protect against sneak current

Cross-Connect Field Colors: First Level Backbone

This type of protector has a reaction time of 3-5ns

The results of a __________ will be used to develop the project schedule and the installation job plan

Humans can hear in what frequency range

A micrometer is

The primary responsibility of the ___________ is safeguarding personnel, property and equipment from foreign electrical voltages and current

When personnel are relocated into temporary office space during retrofits

What is the movement of information in the form of electrical or optical signals from one point to another through a transport medium

1 cycle in 1 second = ?

Which fiber is most common for backbone & horizontal runs within buildings and campus environments

If expanding a TR, what must be done prior to removing the wall with equipment/hardware

What type of ladder is not allowed to be used by an ITS installer

What is the diameter of the cladding in multimode fiber cable

What is the distance limitation of multimode fiber

If an extension ladder is extended 24ft up, then how far should the base be out

Which transmission method transmits a signal in one direction only

Which fiber supports wavelengths of 1310nm, 1490nm, 1550nm & 1625nm

What is the minimum size of stub up conduits

How many rungs need to overlap when extending an extension ladder

What is the measure of analog signal strength

How far should an extension ladder extend above a work area

This current will trigger ventricular fibrillation, which causes the heart to repeatedly relax and violently clamp shut (usually results in death)

One of the primary functions of the ____________ is to house the floor-serving cross-connections and interconnection

What is the distance limitation of singlemode fiber

___________ are not dependent on ITS installers

How far must an ITS installer stay away from exposed energized circuits operating at 300-50,000 volts

Which fiber supports wavelengths of 850nm and 1300nm

What is the most common fire protection principle

Which fiber generally uses LED and VCSEL light sources

What is the diameter of the acrylate coating in fiber cable

What is the typical lifespan of a hard hat

What is the most common tight buffer diameter

Tone of voice is ____% of communication perceptions

If using a MUTOA, what is the maximum length of a 24AWG, stranded work area cable if the horizontal cable is 70 meters

Which method transmits in either direction but in only 1 direction at a time

What is the maximum amount of moisture allowed in plywood backboards

Which type of fiber requires a furcation kit

This type of fiber consists of up to 24 strands bundled together in a single line that is color coded

These are to be installed on exposed circuits as near as possible to the point at which the exposed cables enter the bulding

This firestop product is intumescent, metal back and used to seal large openings

This firestop material is a putty that is used to seal the back of outlet boxes

This firestop material is intumescent used for plastic piping, insulated metal piping or cable bundles

This firestop material is intumescent but mostly endothermic, soft and pliable. It comes in bars and sticks

This firestop material can be intumescent, endothermic or ablative. It comes in tubes and can up to 2 weeks to to cure. It is used for permanent installations

This firestop material is regarded as temporary and requires wire restraints to pass the hose test

This firestop material incorporates putty and is referred to as a pipe choke system

This firestop material may be intumescent, endothermic or ablative. It is a 2 part mixing with fast curing time

This is a property of an electrical force field built around a conductor that opposes and changes in current flow in a circuit

Words are _____% of communication perceptions

Air-blown systems are designed & manufactured for an expected operating lifetime of how many years

What refers to the amount of information that can be transported over the media

This current causes the heart the clamp shut and severe burns occur on the skin and hair

Open top cable supports are typically intended to support how many cables

Cross-Connect Field Colors: Miscellaneous

What is the basic unit of inductance

This firestop material is used in situations where a cable tray containing critical power or data cables must remain in operation during a fire

According to standards, horizontal fiber cable is normally ____________

What is the minimum bend radius of a fiber cable, with up to 4 strands, during installation

What is the minimum bend radius of a fiber cable, with up to 4 strands, at rest

What is the minimum bend radius of interbuilding fiber during installation

What is the minimum bend radius of a fiber backbone cable at rest

What is the minimum bend radius of an intrabuilding fiber during installation

Which fiber test instrument does not require access to both ends of the fiber while testing on the reel

What is the maximum length for horizontal fiber runs

This administration addresses infrastructure with multiple buildings at a single site

This type of protector has a reaction time of 15ns or more

This is the property of conductors that allows storage of electric charges when potential differences exist between conductors

Body language is ______% of communication perceptions

This firestop material will develop a hard char that resists erosion from fire and flames

This administration addresses infrastructure with one or more telecommunication spaces in a single building

Fall protection is required at which height

Which is the required physical topology for SCS

(2) 1.5 inch and (1) 1 inch innerducts are recommended to be placed inside what size conduit

Cross-Connect Field Colors: Horizontal Cable

A PFAS (personal fall arrest system) includes a full body harness, a shock absorbing lanyard & secure anchorage point capable of supporting ______ pounds

What is allowed to be used to mend torn clothing

How much horizontal fiber should be left at the work area

How much fiber slack should be left in a cabinet within a TR

Capacitance is measured in ________

Plywood backboards should be mounted at _____ AFF

This current will produce a tingling of the skin

When blowing fiber, what carries the cable down the tube

What describes the amount of information a fiber is capable of transporting

Which method transmits a signal in both directions at the same time

What type of entrance pathway preserves the aesthetic appearance of the building and is economical over the life cycle

This administration addresses infrastructure with multiple sites or campuses

This current will produce a painful shock and muscles can't release the contact

This is required on every 3rd floor and top floor of a multi-story building that has multiple ER/TRs on the same floor

This serves as the dedicated extension of the building AC grounding electrode system of the telecommunications infrastructure

What is the typical air pressure when blowing fiber

Which splicing method has a low consumable cost

What is the total opposition to current flow

What is the basic unit of digital information

What type of entrance pathway preserves the aesthetic appearance of the building but is inflexible for future service changes

What diameter of toggle bolts should be used when mounting a backboard

Open top cable supports should be installed to maintain a minimum of _____ inches above ceilings

Reflectance may be a concern with which type of splicing method

This administration addresses the needs of premises served by a single ER (the only telecommunication space)

How much fiber typically should be in a splice tray

What is the maximum splice loss regardless of the methodology

What is the curing cycle for heat cured connectors

24AWG stranded cable ha _______ more attenuation

Adhesive hardening when terminating anaerobic connectors takes how long

True power is measured in ______

What is the size of the primary acrylate

Measure of signal loss resulting from the insertion of component, link or channel between transmitter and receiver (often referred to as attenuation)

How far should the toggle bolts be spaced when mounting a backboard

What quantifies the bandwidth of a cabling system in a frequency range

What is the #1 reason for troubleshooting in optical networks

What device converts a digital signal into 2 distinctive analog frequencies

What is the power range for microscopes to view the end face of an optical fiber connector

What is the ratio expressed in decibels of the power of the outgoing signal to the power of the reflected signal

This is the grounding connection point for telecommunications systems and equipment in the area served by an ER or TR

The inside bend radius shall be _______ times the ID for conduits 2 inches or less

This tool is used to inspect the radius of curvature, offset of polish & optical fiber height

This is the copper conductor that interconnects the TMGB to TGB

This is the unwanted transfer of a signal's EM energy from one or more circuits to other circuits

This tool can determine end-to-end attenuation & distance to a point of high attenuation during pre-installation testing

Test equipment uses what to determine the length of a cable

How far does the conductor need to extend beyond the connector if using a set-screw, pass-through style lug

Cross-Connect Field Colors: Common Equipment

What device converts analog data, from a video device, to a digital signal

The inside bend radius shall be ___ times the ID for conduits greater than 2 inches

Acceptance testing of optical fiber is most often performed with which tester

What are unsafe oxygen levels

Time for a signal to be transmitted from one end to the other

Which entrance pathway has the lowest cabling installation cost

For singlemode fiber, out-of-band testing may be accomplished at the _____ nm window

Difference in propagation delay between slowest & fastest pairs within same cable sheath

What is the worst acceptable loss for a mated pair