Deck 16: Video, Voice, and Data Wiring Installation

Question 1

When the prefix "M" (Mega) is used in a unit of measurement, such as 100 MHz, it means __________.

A) hundred
B) thousand
C) million
D) billion

Answer 1

C

Question 2

The ANSI/TIA/EIA 570-C standard specifies three grades of cabling based upon the services that are expected to be available in each residence.

Answer 2

False
Only two grades

Question 3

Each video, voice, and data outlet location should have a separate homerun back to the service center.

Answer 3

True

Question 4

If cable ties are used to support communication circuit wiring or coaxial cables in a plenum, they do not need to be listed specifically for use in plenums.

Question 5

Category __________ cable is the preferred UTP cable for residential voice and data applications.

A) 3
B) 5
C) 5e
D) 6

Question 6

ANSI/TIA/EIA 570-C provides specifications for the installation of voice, data, and video premises cabling systems in single family and multifamily residential buildings.

Question 7

An STP cable resembles a UTP cable but has a foil shield over the wire pairs and offers more electromagnetic interference protection than UTP in a voice or data installation.

Question 8

When a call comes in with a "landline" telephone system, there is __________ volts AC on the telephone tip and ring pair.

A) 50
B) 60
C) 90
D) 120

Question 9

Section 800.156 requires that at least one communications outlet be installed in each new home and that proper wiring be brought to the telephone company's demarcation point.

Question 10

One of the main reasons UTP cable is typically installed in homes is because of its lower cost per foot compared to STP cable.

Question 11

Because many people use a cell phone as their main telephone communication device, and do not have traditional telephone service installed in their home, it is no longer required that a communications outlet be installed in each new home.

Question 12

A(n) __________-Type connector is a 75-ohm coaxial cable connector that can fit RG-6 and RG-59 cables and is used for terminating coaxial cables.

A) C
B) F
C) R
D) V

Question 13

If Category 6 cables are used, there cannot be any untwisted length away from the termination points.

Question 14

ANSI/TIA/EIA 570-C was developed to establish a standard for a __________ structured cabling system that can accommodate many different applications.

A) communications
B) voice
C) data
D) generic

Question 15

A suspended ceiling grid cannot be used to support structured cabling systems.

Question 16

The letters "RG" on a coaxial cable stand for __________ guide.

A) residential
B) radio
C) registered
D) rated

Question 17

A standard network interface box is used when the telephone company terminates their wiring outside the house.

Question 18

An RJ-45 is a popular six position UTP connector.

Question 19

Category 6a UTP cable has a 500 MHz bandwidth.

Question 20

Four-wire quad wire is highly recommended for residential telephone installations.

Question 21

The rating on the bandwidth performance of UTP cable is called the ____________________ and includes 3, 4, 5, 5e, 6, and 6a.

Question 22

Coaxial cable must be separated from electric light and power circuits by at least __________ inches.(General Rule)

A) 2
B) 3
C) 6
D) 8

Question 23

The maximum length for UTP and STP cables installed in houses is ________ feet.

A) 100
B) 200
C) 300
D) 400

Question 24

The color coding for a four-pair UTP cable can be remembered by using the acronym "BLOGB." Using this as a reminder, the colors used for pair #3 is __________ and __________.

A) white/blue stripe; blue
B) white/green stripe; green
C) white/orange stripe; orange
D) white/brown stripe; brown

Question 25

It is recommended that you install 75-ohm F-Type __________ in each unused television outlet and at each unused splitter port throughout a house.

A) termination caps
B) dust caps
C) plugs
D) jacks

Question 26

When installing voice, video, and data wiring in a house, Articles __________, __________, and 830 of the NEC contain some requirements that must be followed.

A) 100; 300
B) 430; 440
C) 680, 690
D) 800; 820

Question 27

A __________ is the hub of a structured wiring system and is usually located in the basement or garage.It is sometimes called a "distribution center."

A) sub-panel
B) field enclosure
C) service center
D) hub center

Question 28

When installing voice, video and data jacks throughout a house, the preferred piece of equipment used to mount the jacks in a wall is a __________.

A) metal box
B) mud ring (plaster ring)
C) special crimp
D) plastic box

Question 29

Coaxial cable that is limited to use in dwelling units or in raceways is labeled __________.

A) CATV
B) CATVP
C) CATVR
D) CATVX

Question 30

It is recommended that UTP cables be secured no more than __________ inches from an enclosure.

A) 3
B) 8
C) 12
D) 30

Question 31

It is recommended that the four-pair UTP cable be bent so that the radius of the bend is not less than __________ times the diameter of the cable.

A) 4
B) 5
C) 7
D) 8

Question 32

When running voice, video, or data cables along joists in a basement, it is a good idea to use __________ instead of staples.

A) nails
B) J-hooks
C) loops
D) VVD couplings

Question 33

Which of the following is not a recommended installation method for structured wiring cables?

A) Keep the cable runs as short as possible
B) Keep splices to a minimum and make sure they are properly made
C) Do not pull wire with more than 25 lbs.of pulling tension
D) Do not run wires too close to electrical power wiring

Question 34

The popular name given to an eight-pin connector or jack used to terminate UTP cable is __________.

A) F-Type
B) RG-59
C) RJ-11
D) RJ-45

Question 35

A __________ terminates voice, video, and data wires to a punch-down block.

A) punch-up tool
B) punch-down tool
C) flat tip screwdriver
D) VVD tool

Question 36

The decrease in the power of a signal as it passes through a cable, which is measured in decibels is called _________.

A) exaggeration
B) attenuation
C) bandwidth
D) megahertz

Question 37

________ refers to the process of making measurements and then comparing the results obtained to pre-defined standards, so that a pass/fail determination can be made.

A) Verification
B) Certification
C) Attenuation
D) Inspection

Question 38

____________________ identifies the amount of data that can be sent on a given cable and is measured in hertz.

Question 39

The letters CMR found on a UTP cable is an abbreviation for __________.

A) Communications Plenum Cable
B) Communications Riser Cable
C) Communications General-purpose Cable
D) Communications Radio Cable

Question 40

_______ ensures that basic continuity and correct terminations have been applied, but does not attempt to measure the information-carrying capacity of the cable runs like you would do in a commercial installation.

A) Certification
B) Verification
C) Inspection
D) Attenuation

Question 41

Electrical noise coupled from one pair of wires to another within a multipair voice or data cable is called _________.

Question 42

UTP is an acronym for ______________________________ cable.

Question 43

Explain why push-on fittings are not recommended for the ends of coaxial cable for connection to various pieces of video or data equipment.

Question 44

The color coding in solid-color, non-twisted pair quad wire is red, green, ____________________, and ____________________.

Question 45

Explain what the letters "IDC" stand for.

Question 46

A(n) ____________________ block is the connecting block that terminates UTP cables directly using IDC connections.

Question 47

Explain why the conductors in a UTP voice or data cable are twisted together.

Question 48

Because hard wired telephone systems use DC, it is standard practice to use the "ring" as the ____________________ conductor.

Question 49

Because hard wired telephone systems use DC, the standard wiring practice is to use the "tip" as the ____________________ conductor.

Question 50

The minimum bending radius for a coaxial cable is recommended to be no less than ____________________ times the cable diameter.

Question 51

A(n) ____________________ is the smallest unit of measure in the binary system.

Question 52

Explain the "star" method of installing voice/data cable.