2nd Term week 1

What type of cable is typically used for an intrusion detection keypad, glass break detector, and motion detector? A. Shielded twisted pair B. 2 conductor C. 4 conductor D. 6 conductor

C. 4 conductor

Which coaxial connector type is commonly used with thick Ethernet applications? A .BNC B .F C. N D T

C. N

The characteristic impedance of the pairs in an IBM-type shielded twisted pair cable is ? . A . 50 Ω B. 75 Ω C. 100 Ω D. 150 Ω

D. 150 Ω

In today's applications, coaxial cables are mainly used for ? . A community antenna television (CATV) B. closed circuit television (CCTV) C. Thinnet computer terminals D. both a. and b.

D. both a. and b.

Administration of a cabling system does not include documentation. Select one: True False

False

For a given twisted pair cable, as frequency increases, attenuation decreases. Select one: True False

False

The telecommunications room includes the cabling that extends from the telecommunications outlet to the workstation. Select one: True False

False

The Telecommunications Industry Association and the Electronic Industries Alliance (TIA/EIA) brought much needed consistency to products, installations, and testing requirements through their standards development. True False

TRUE

Which of the following are elements of a commercial building telecommunications cabling system per TIA 568?I. Backbone cablingII. Entrance facilitiesIII. Equipment roomsIV. Horizontal cablingV. Telecommunications roomVI. Work area Select one: a.I., II., and III. only b.I., II., III., IV., V., and VI. c.II., III., IV., and V. only d.II., III., IV., V., VI., and VII. only

b. I., II., III., IV., V., and VI.

Which types of cables are recognized for use in the backbone cabling system?I. 2-fiber, multi-mode optical fiber cableII. 2-fiber, single-mode optical fiber cableIII. 2-pair, 100-ohm shielded twisted-pair cablesIV. 4-pair, balanced twisted-pair cables Select one: a.I. and II. only b.I., II., and IV. only c.II. and III. only d.II., III., and IV. only

b. I., II., and IV. only

Which standard is "Telecommunications Pathways and Spaces"? Select one: a.TIA 568 b.TIA 569 c.TIA 570 d.TIA 607

b. TIA 569

Entrance facilities shall be designed and provisioned according to the requirements in ? . (Choose all that apply.) a.TIA 568.2 b.TIA 569 c.TIA 606 d.TIA 607

b. TIA 569 d. TIA 607

Which standard is the "Residential Telecommunications Infrastructure Standard"? Select one: a.TIA 568 b.TIA 570 c.TIA 606 d.TIA 607

b. TIA 570

What does the abbreviation TSB represent? Select one: a.Technical Service Bulletin b.Telecommunications Systems Bulletin c.Telecommunications Standardization Bureau d.Telecommunications System Blog

b. Telecommunications Systems Bulletin

What are the tip and ring colors of pair four in the color code? Select one: a.White/blue b.White/brown c.White/green d.White/orange

b. White/brown

Equipment rooms are distinct from telecommunications rooms because of the nature of the ? that they contain. Select one: a.cabling b.equipment c.protection devices d.all of the above

b. equipment

Single-mode fiber only uses a ? light source to transmit information over long distances. Select one: a.flashlight b.laser c.LED d.OTDR

b. laser

When terminating 4-pair cables on a 100 pair, 110-type termination block, the eighth cable would enter from the ? . Select one: a.left bottom slot b.left top slot c.right bottom slot d.right top slot

b. left top slot

How many 4-pair cables can be terminated on a 50 pair 66-type (66M1-50) terminal block? Select one: a.4 b.8 c.12 d.25

c. 12

The maximum allowable length of a multi-mode fiber optic cable from a main cross-connect to a horizontal cross-connect, is ? or ? . Select one: a.300 m / 984' b.800 m / 2,624' c.2,000 m / 6,560' d.3,000 m / 9,840'

c. 2,000 m / 6,560'

Within a binder group, the tip conductor of pair number ? is colored violet, and the ring conductor is colored blue. Select one: a.15 b.17 c.21 d.25

c. 21

What section of the NEC explains bonding to exposed structural steel in buildings? Select one: a.250.15(B) b.250.102(A) c.250.104(C) d.250.112(A)

c. 250.104(C)

When implementing centralized fiber architecture, the maximum allowable cable length from a Telecommunications Outlet (TO) to the termination in the Equipment Room (ER) is ? . Select one: a.100 m b.200 m c.300 m d.500 m

c. 300 m

Multi-mode fiber is mostly used for distances up to ? . a.50 m / 164' b.100 m / 328' c.500 m / 1,640' d.1000 m / 3,280'

c. 500 m / 1,640'

The maximum allowable length for a horizontal cable, regardless of media type, is ? or ? . Select one: a.5 m / 16' b.15 m / 49' c.90 m / 295' d.300 m / 984'

c. 90 m / 295'

What is the maximum backbone distance for a UTP data circuit from the MC to HC? Select one: a.5 m / 16' b.15 m / 49' c.90 m / 295' d.300 m / 984'

c. 90 m / 295'

What is the maximum horizontal cable length, regardless of media type, from the mechanical termination of the cable at the horizontal cross-connect in the TR to the telecommunications outlet in the work area? Select one: a.5 m / 16' b.15 m / 49' c.90 m / 295' d.300 m / 984'

c. 90 m / 295'

If a question arises about grounding, what article in the NEC would be referenced? Select one: a.Article 100 b.Article 110 c.Article 250 d.Article 300

c. Article 250

The NEC chapter that deals with the general requirements of communications systems is ? . Select one: a.Chapter 4 b.Chapter 6 c.Chapter 8 d.Chapter 9

c. Chapter 8

Which two configurations does the ANSI/TIA-568.2-D Standard specify for terminating twisted pairs on 8-pin modular outlets?I. BOGBSII. T-568AIII.T-568BIV. USOC Select one: a.I. and II. b.I. and IV. c.II. and III. d.III. and IV.

c. II. and III.

? is a measure of how much a signal is reduced in amplitude or strength as it is carried over a twisted pair or fiber optic strand. Select one: a.Crosstalk b.Induced noise voltage c.Insertion loss (attenuation) d.Return loss

c. Insertion loss (attenuation)

What is the ring color of pair two? Select one: a.Blue b.Brown c.Orange d.White

c. Orange

Which standard is the "Administration Standard for Commercial Telecommunications Infrastructure"? Select one: a.TIA 568 b.TIA 570 c.TIA 606 d.TIA 607

c. TIA 606

What is the intention of the National Electrical Code (NEC)? Select one: a.To improve the installation quality of all electrical installations b.To promote uniform electrical installation standards c.To protect people and property from electrical hazards d.All of the above

c. To protect people and property from electrical hazards

Parameters used for defining the performance of cables and components are specified using the ? as a unit of measurement. Select one: a.ACR b.ampere c.decibel d.kelvin

c. decibel

The best way to verify correct fiber polarization is to use a(n) ? . Select one: a.laser light source b.LED light source c.optical continuity checker and power meter d.optical time domain reflectometer

c. optical continuity checker and power meter

In the standards, mandatory requirements are designated by the word ? . Select one: a.desirable b.may c.shall d.should e.all of the above

c. shall

A ? is a permanent joining of conductors, generally from separate sheaths, using mechanical means. Select one: a.bridged tap b.consolidation point c.splice d.transition point

c. splice

TIA 568 calls for ? topology for the layout of the system. Select one: a.bus b.ring c.star d.any of the above

c. star

The work area consists of the wiring that extends from the telecommunications outlet to the ? . Select one: a.cross-connect b.entrance facility c.station equipment d.telecommunications room

c. station equipment

The minimum bend radius for multi-pair cable shall be ? times the cable diameter. Select one: a.4 b.6 c.8 d.10

d. 10

There are ? pairs in each binder group of a multi-pair UTP backbone cable. Select one: a.4 b.15 c.20 d.25

d. 25

The TIA ? Standard defines the requirements for an administration system. Select one: a.568 b.569 c.570 d.606

d. 606

Which article relates to "Electrical Nonmetallic Tubing"? Select one: a.Article 347 b.Article 348 c.Article 349 d.Article 362

d. Article 362

Which NEC article relates to "Cable Tray"? Select one: a.Article 300 b.Article 331 c.Article 345 d.Article 392

d. Article 392

Which of the following are considerations that affect data transmission over fiber optic cabling?I. AbsorptionII. AttenuationIII. BandwidthIV. Scattering Select one: a.I. only b.I. and II. c.I., II., and III. d.II. and III.

d. II. and III.

What standard is associated with the "Commercial Building Grounding and Bonding Requirements for Telecommunications"? Select one: a.TIA 568 b.TIA 570 c.TIA 606 d.TIA 607

d. TIA 607

A bonding and grounding system conforming to the requirements of the ? Standard shall be installed. Select one: a.TIA-568.1-D b.TIA-569-E c.TIA-570-D d.TIA-607-C

d. TIA-607-C

The ? termination method used in the past for low speed data and voice terminations is no longer accepted by the standards because of excessive cross-talk caused by the nesting of the pairs. Select one: a.BOGBS b.T-568A c.T-568B d.USOC

d. USOC

In a multi-pair backbone voice cable, what are the pair colors for the 17th pair? Select one: a.Yellow/blue b.Yellow/brown c.Yellow/green d.Yellow/orange

d. Yellow/orange

In the standards, advisory statements are designated by the word ? . Select one: a.desirable b.may c.should d.all of the above

d. all of the above

Structured cabling standards allow for ? equipment room(s) per building. Select one: a.1 b.2 c.3 d.no limit e.none of the above

d. no limit

A vertical cable run penetrating more than one floor would be considered a ? run. Select one: a.general purpose b.plenum c.residential d.riser

d. riser

A ? is where the worker must change from round cable to flat under-carpet cable. a.consolidation point b.multi-user telecommunications outlet assembly c.splice d.transition point

d. transition point

Which article relates to "Community Antenna Television and Radio Distribution Systems"? a.Article 720 b.Article 760 c.Article 770 d.Article 820

d.Article 820

There are four basic types of insulation displacement connector (IDC) blocks. Which of the following is not one of those types? Select one: a.66-type b.110-type c.BIX d.LSA e.Panduit

e. Panduit

Which coaxial connector type is commonly used with closed circuit TV applications? A .BNC B. F C. N D. T

A. BNC

Which cable is not recognized for use in a horizontal cabling system? Select one: a.2-fiber (multi-mode) OM3 or higher recommended b.2 pair 100 Ω UTP c.4-pair balanced twisted-pair cabling d.Broadband coaxial cabling

b. 2 pair 100 Ω UTP

The 110-type terminal block is capable of terminating ? pairs on each row. Select one: a.4 b.25 c.50

b. 25

The minimum bend radius, under no-load conditions, for 4-pair UTP cable shall be ? times the cable diameter. Select one: a.2 b.4 c.6 d.8

b. 4

What section of the NEC provides information regarding transmission of power and data over a communications cable? Select one: a.725.127 b.725.144 c.725.170 d.725.179

b. 725.144

Where in the NEC would one find the definition for signaling circuit? Select one: a.Article 90 b.Article 100 c.Article 725 d.Article 800

b. Article 100

Which article relates to "Class 2 and Class 3 Remote-Control, Signaling, and Power-Limited Circuits"? a.Article 720 b.Article 725 c.Article 760 d.Article 770

b. Article 725

Which article relates to "Fire Alarm Systems"? Select one: a.Article 725 b.Article 760 c.Article 770 d.Article 780

b. Article 760

Which NEC article relates to "Optical Fiber Cables"? Select one: a.Article 760 b.Article 770 c.Article 780 d.Article 800

b. Article 770

What type of coaxial fitting is commonly used for cable TV? A.BNC B. F C. N D. T

B. F

Which represents an application where a multi-conductor cable could be used? I. Asynchronous data terminals II. Electronic access control systems III. Environmental controls IV. Fire alarms V. Nurse call systems VI. Security systems A . I., II., and III. B. I., II., III., IV., V., and VI. C. II., III., and IV. D. II., III., IV., and V.

B. I., II., III., IV., V., and VI.

Type 1 cable consists of ? twisted pairs, each individually shielded with foil, with a braided outer shield surrounding the entire cable core and covered with a jacket. A .two 18 AWG B. two 22 AWG C. four 18 AWG D. four 22 AWG

B. two 22 AWG

A multi-conductor cable consists of several conductors surrounded by an outer jacket. True False

True

After terminating horizontal or backbone cables on a 110-type terminal block, a 110-type connecting block must be installed to provide electrical continuity with cross-connect wires or patch cables. Select one: True False

True

An entrance facility consists of the entrance of a telecommunications cable from outdoors into a building. Select one: True False

True

Backbone cables are used to provide interconnections between entrance facilities (EFs), access provider (AP) spaces, service provider (SP) spaces, common equipment rooms (CERs), common tele-communications rooms (CTRs), equipment rooms (ERs), telecommunications rooms (TRs), and telecommunications enclosures (TEs). Select one: True False

True

Coaxial cables provide better protection from electrical noise and a much higher bandwidth than twisted-pair cable. True False

True

Fiber optic strands can be made with plastic or glass. Select one: True False

True

For a given twisted pair cable, as frequency increases, crosstalk problems increase. Select one: True False

True

The entrance facility consists of cables, connecting hardware, protection devices, and other equipment needed to connect cables entering from outdoors to cables that are suitable and approved for use indoors. Select one: True False

True

The functions of a telecommunications room may also be performed in an equipment room. Select one: True False

True

The performance of the original Type 1 cables was specified at frequencies up to 20 megahertz. The performance of the newer "A" types (Type 1A) is specified at frequencies up to 300 megahertz. True False

True

The purpose of TSBs is to keep the standards updated with the rapidly changing technology. Select one: True False

True

When a pair of wires is twisted, each of the wires will have nearly identical electrical characteristics with respect to ground. This results in almost no difference in the levels of induced noise voltage between the two wires. Select one: True False

True

When terminating Category 5 and higher cables, the cable pair twists shall be maintained to within ? from the point of termination. Select one: a.13 mm (0.5") b.19 mm (0.75") c.25 mm (1") d.76 mm (3")

a. 13 mm (0.5")

After the deregulation of the telephone industry in ? , the responsibility for premises cabling was left in the hands of the building owner instead of the service provider. The industry was then left with inconsistent standards. a.1968 b.1972 c.1984 d.1995

a. 1968

The maximum length specified for the work area cabling is ? . Select one: a.5 m (16') b.10 m (33') c.15 m (49') d.90 m (295')

a. 5 m (16')

Within a 300 pair UTP backbone cable, binder group ? is wrapped with two plastic ribbons whose colors are red/blue. Select one: a.6 b.12 c.20 d.25

a. 6

Many older ? terminal blocks were only rated for Category 3 cables. Select one: a.66-type b.110-type c.210-type d.300-type

a. 66-type

? is the ratio of the power of the signal received over the power of the NEXT from the local transmitter. Select one: a.ACR b.ACRF c.PSACRF d.PSNEXT

a. ACR

The percent of fill in a conduit is referenced in what chapter and table(s) in the NEC? Select one: a.Chapter 9, Table 1 and Table 4 b.Chapter 9, Table 1 and Table 5 c.Chapter 9, Table 2 d.Chapter 9, Table 8

a. Chapter 9, Table 1 and Table 4

Which cable types are recognized for use in the horizontal cabling system?I. 2-fiber, multi-mode optical fiber cableII. 2-pair, 100-ohm shielded twisted-pair cablesIII. 4-pair, 100-ohm unshielded twisted-pair cablesIV. Single-strand, single-mode optical fiber cable Select one: a.I. and III. only b.I., II., and III. only c.II. and III. only d.II., III., and IV. only

a. I. and III. only

? is an optical fiber that can carry more than one signal at the same time. Select one: a.Multi-mode b.Opti-mode c.Single-mode d.None of the above

a. Multi-mode

? is the undesired coupling of signal energy from a transmitting pair into a receiving pair. Select one: a.Near-end crosstalk b.Induced noise voltage c.Insertion loss (attenuation) d.Return loss

a. Near-end crosstalk

The ? Standard defines a generic telecommunications system that supports a multivendor, multi-product environment. Select one: a.TIA 568 b.TIA 569 c.TIA 570 d.TIA 606

a. TIA 568

Which of the following is not included in horizontal cabling? Select one: a.The cables from the Internet service provider (ISP) into the entrance facility b.The cables from the work area outlet to the telecommunications room (TR) c.The cross-connections or patch cables within the TR d.The outlets at the work areas e.The termination of the cable in the TR

a. The cables from the Internet service provider (ISP) into the entrance facility

A particular cable is marked "UL Listed Type CMP." Can this cable be used within a riser of an office building? Select one: a.Yes b.No

a. Yes

A particular cable is marked "UL Listed Type CMP." Can this cable be used within the plenum area of an office building? Select one: a.Yes b.No

a. Yes

A(n) ? is typically installed at each end of a UTP backbone cable that has a corrugated aluminum shield over the core for the purpose of grounding the cable. Select one: a.bonding clamp b.bonding jumper c.grounding bus bar d.ground lug

a. bonding clamp

A ? is an interconnection point within the horizontal cabling in an open office area when reconfiguration of furniture is frequent but not so frequent as to need a MUTOA. Select one: a.consolidation point b.cross-connection c.plenum space d.splice

a. consolidation point

Because each of the pairs in a twisted pair cable has a different twist length, the degree of ? is reduced. a.pair-to-pair capacitive coupling b.magnetic coupling c.induced noise voltage d.return loss Feedback Your answer is correct

a. pair-to-pair capacitive coupling

What section of the NEC defines the working clearances around electrical equipment? Select one: a.90.4 b.110.26 c.225.32 d.800.3

b. 110.26

Within a 300 pair UTP backbone cable, there are ? binder groups. Select one: a.6 b.12 c.20 d.25

b. 12

The ANSI/TIA-568.1-D standard requires a minimum of ? horizontal cable(s) to every work area. Select one: a.1 b.2 c.3 d.4

b. 2