VDV Semester 1

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higher, lower

A 110 block has a ___ capacity and ___ noise characteristics than a 66 block

Registered Communications Distribution Designer

A ___ is an individual who has acquired education, training, and expertise in the design, implementation, and integration of telecommunications and data transport systems and infrastructure

Diamond

A ___ is not a common topology

Wireless Access Point

A ____ is a device that connects wireless telecommunication devices to form a wireless network

Wiremap

A ____ tester is a test instrument used to locate open circuits, short circuits, and improper cable terminations

Insulation Displacement

A punchdown tool is used to perform a fast termination method referred to as "________"

connection point between backbone and horizontal cabling

A telecommunications room's (TR) primary function is to serve as a ____

Red

A visual light source is usually ___, because that is the longest wavelength visible to the human eye

Star

Ethernet is installed in a ____ topology

True

True or False: A 110 block has a higher capacity and lower noise characteristics than a 66 block

True

True or False: A 19in width across the front is the standard size for a rack in the telecommunications industry

True

True or False: A wiremap tester typically displays a PASS or FAIL of the wire's condition within all four pairs of the cable

False

True or False: Horizontal cabling is premise cabling that interconnects buildings via underground or overhead cabling means

False

True or False: Horizontal cabling is telecommunications premise cabling that interconnects buildings via underground or overhead cabling means

True

True or False: NEXT and FEXT are caused by poor terminations, crushed or touching conductors, or both

False

True or False: Structured cabling is a systematic installation of cabling needed for high-voltage systems

False

True or False: The voltage level is the main consideration when specifying VDV conductors

False

True or False: When calculating length of an OTDR reflection, less light means less signal loss

True

True or False: With modern VDV systems, twisted-pair cable is the most common type of transmission cable used

True

True or False: cable ties are not recommended for cable management as they can cause cable deformation over time

False

True or False: in binary code, the twos and zeros are referred to as bits of data

True

True or False: the most common type of copper cable is UTP

False

True or False: the voltage level is the main consideration when specifying VDV conductors

4UTP

Twisted pair cable used for voice and data transmission

ScTP

Used for protection for EMI, has less resistance than STP

White/green

What wire color is designated for pin 3 (T568B)

White/blue

What wire color is designated for pin 5? (T568B)

Brown

What wire color is designated for pin 8? (T568B)

Attenuation

___ is the reduction of power in any signal, light beam, or light wave, either completely or as a percentage

riser or backbone

____ ___ is telecommunications cabling and hardware that runs from a telecommunications closet, or intermediate distribution frame, to a main distribution frame, or to another telecommunications room

Near end

____ crosstalk is the measure of the amount of signal interference from one pair into the pair next to it in the same cable

ANSI/TIA568

____ is a standard that is used for almost all project specifications, and it documents how a network should be cabled

fire stopping

____ is the process of sealing any penetration in a fire-rated building element in order to maintain its rating

category

____ ratings define cables according to their data carrying capacity

Category

____ ratings define cables according to their data-carrying capacity

ANSI/TIA 568

_____ is a standard that is used for almost all project specifications, and it documents how a network should be cabled

tip

a ___ conductor is the first wire in a pair of wires

pathway

a ___ is a set of devices used to route telecommunications cables from a telecommunications room or equipment room to a work area

Fiber-optic fusion splicer

a ___ is a tool used to weld the ends of two strands of fiber into a single length using an electrical arc to melt the ends of the strands

cable

a ____ is a group of two or more conductors within a common protective cover that is sued to connect individual component

deliver power to a load by means of a plug

insulated jackets are not used to __________

2

per the TIA, only ___ 90degree bend(s) is/are allowed in a conduit run

Aluminum Armor OSP

Cat 3 ISO 11801/TIA 568A compliant. Useed as backbone connection for data systems

CAT3/FTP/100PR/24AWG

Cat3 ISO 11801/TIA 568A compliant. Used as backbone connection for data systems

18 AWG to 22 AWG

Coaxial cable consists of a ____ center conductor, made of copper or copper-clad steel and surrounded by foam insulation

Plenum

If a cable is run above a suspended ceiling used as an air handling space during open-air cable pulling, ___-rated cable

Deliver power to a load by means of a plug

Insulated jackets are not used to __________

False

The T568B termination pattern is more common in residential installation

International Organization for Standardization

The ________ writes and publishes standrads, some of which have a common purpose and subject as the TIA standards, although the TIA standards are more commonly used and cited in the US

American Telephone and Telegraph Company (AT&T)

The company which originated long range electronic communications was the ___

24

The copper cable used for voice and data applications is typically a ___-gauge, multipair cable

100m

The maximum length for a horizontal cabling run is ___ and includes the patch cords on both ends of the run

25

The maximum pulling tension for a Cat-rated cable is ___lb (force)

RJ-45

The most common network connector in use today with copper VDV systems is the ____ connector

Coaxial

connects cable television and VCR to television also used for data

50

the TIA recommends limiting the fill of a cable tray to ___%

four times

the minimum bend radius for four-pair twisted cable should be ____ the cable diameter

impact/punchdown

the most common tool used for IDC terminations is a ___ tool

electromagnetic field

the wires in a UTP cable are twisted around each other at regular intervals in order to confine ____ within the wires

UTP

twisted pair cable, used for voice, data, and video transmission

STP

used for protection from electromagnetic interference

FIber-optic

used outside for direct burial and long runs


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