VDV Semester 1
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
