Monthly Review Compilation Flashcards

1
Q

Labelling a bunch of UTP cabling with permanent marker using the same identification at both ends eliminates the need to trace the cables after they have been installed and terminated (True/False)

A

True

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2
Q

When working with ladders in the lab or on the job you should ____________________.

A

Never leave tools on top of the ladder

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3
Q

How much untwisting is allowable before you lose performance in Cat5e or Cat6A cabling?

A

The twist of each pair at the connectors must be maintained to be within 1/2”

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4
Q

All CAT6A cabling will have a maximum distance of ________?

A

100 Meters

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5
Q

Which Punch down tool should be used to terminate cabling onto Canadian cross-connect systems?

A

Bix punch down tool

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6
Q

Does UTP 4 pair CAT6 stranded pair data cabling come with a rip cord inside?

A

No

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7
Q

What is reduced by the different twist rates in the separate pairs of a CAT6 UTP cable?

A

Crosstalk

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8
Q

When working the 4 pair UTP cabling where do most “Shorts” and “Opens” occur?

A

At the connectors/At the point of termination

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9
Q

Analog systems transmit data as a continually varying signal whereas digital systems transmit data as a _________________?

A

Stream of ones and zeros

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10
Q

The VDV cable tester used in the lab is capable of showing both NEXT (Near End CrossTalk) and Wire Map (True/False)

A

False. The VDV cable tester does not test for NEXT.

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11
Q

What is unwanted electrical, electromagnetic, or radio frequency energy that can degrade and distort the quality of signals and communications of all types referred to as?

A

Noise

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12
Q

How fast data flows on a given transmission path or the range of frequencies that a signal occupies on a given medium is referred to as __________?

A

Bandwidth

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13
Q

Which way should the tab on the 8p8c modular plug face when making a straight-through patch cable?

A

Down

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14
Q

In the US, the “Network Interface” or NI is the physical electrical boundary between the inside wiring and the telecommunications network. In Canada the NI is often referred to as the ________.

A

Demarcation Point

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14
Q

A CAT6 UTP cable has four twisted pairs inside the cable jacket. In a 10/100 Base-T network two of these pairs are used to simultaneously transmit signals in opposite directions creating a _______________.

A

Full Duplex Link

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15
Q

It is not safe to leave cabling lying on ceiling tiles. What is the most effective way to support cabling above the ceiling?

A

Using J-Hooks, Bridal Rings, or Cable Baskets

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16
Q

What is the most common wireless data signal?

A

802.11

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17
Q

Which tool is used to terminate 4 pair CAT6 UTP cabling onto a “Wirewerks” data insert?

A

110 Punchdown tool

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18
Q

What is the color code for T-568A standard?

A

White/Green, Green, White/Orange, Blue, White/Blue, Orange, White/Brown, Brown

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19
Q

What is the color code for T-568B Standard?

A

White/Green, Green, White/Orange, Blue, White/Blue, Orange, White/Brown, Brown

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20
Q

What Standard specifies that a unique number is to be used for each network cable that is being installed?

A

The ANSI/TIA/EIA 606-A standard

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21
Q

What would be the easiest way to correct a “NEXT” error should it be displayed on the certification meter while testing?

A

Re-Terminate the connector ensuring that the twist ratio is within specification

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22
Q

What test performs basic continuity functions and is the first line of defense in finding cabling problems?

A

Verification Test

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23
Q

Which project phase would normally include cable certification?

A

Certification falls under the Finish Phase

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24
Q

What binder ribbon color would identify the pairs 126-150 in a 200 pair cable?

A

Red/Blue

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25
Q

What type of Ethernet cabling would be installed in an area with high EMI?

A

STP (Shielded Twisted Pair)

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26
Q

The Canadian Electrical Code would be most concerned with ____________________?

A

Determining wether general, riser, or plenum cable must be used

28
Q

What are the two general types of fiber optic cable found in current networking environments?

A

Singlemode and Multimode

29
Q

What is the term used for an unwanted connection, such as when exposed wires from one terminal screw touch exposed wires on another terminal screw?

30
Q

Ethernet is an example of what type of technology?

31
Q

What order are the conductors of a four pair cable terminated when working with a BIX1A4 from left to right?

A

White/Blue, Blue, White/Orange, Orange, White/Green, Green, White/Brown, Brown

32
Q

What are the Six Subsystems of a Structured Cabling System?

A
  1. Entrance Facilities,
  2. Equipment Room,
  3. Backbone Cabling,
  4. Telecommunications Room/Telecommunications Enclosure,
  5. Horizontal Cabling,
  6. Work Area
33
Q

What EIA/TIA standard should be used in Canada when making straight-through patch cables, or when terminating CAT6 data cables onto a data jack or patch panel?

33
Q

During the Rough-In cabling process, the starting point for cable pulls when cables are pulled from one area to another is referred to as ___________.

A

Drop Zone/ Staging Area/ Setup Area

Any of these are fine

34
Q

What component should a 25-Pair cable be terminated onto?

35
Q

What color is most commonly used to indicate a regular single-mode optical fiber?

36
Q

In fiber optics what is loss of power in light measured in?

37
Q

Can fiber optic networks send signals in analog or digital format? (Yes/No)

38
Q

Many fiber optic networks use _______ multiplexing to send multiple signals over the same fiber at the same time.

A

Wavelength Division

39
Q

The difference between the specified output of a transmitter and the minimum power input of a receiver in a fiber optic link is called the _____.

A

Power Budget

40
Q

Practically the only networks that still use multi mode fiber are _____.

A

Premises LANS

41
Q

What is used in Fiber-to-the-home optical networks to connect many users from one central source to save fibers and costs?

A

Optical Splitters

42
Q

What fiber is used in Outside plant fiber optic networks?

A

Single-Mode for its greater length and bandwidth capability

43
Q

With ________, phone calls are treated as just another kind of data

A

Voice over IP

44
Q

Does Fiber optic Cabling provide a higher degree of security than UTP/STP and Coaxial cabling? (Yes/No)

45
Q

What does the term “attenuation” mean in data communication?

A

Loss of signal strength as distance increases

46
Q

What are two common causes of signal degradation when using UTP cabling?

A

Improper Termination, Low-quality cable or connectors

47
Q

An optoelectronic instrument that works similar to a radar by injecting a series of optical pulses into the fiber optic cable while under test is known as an _______?

A

Optical Time Domain Reflectometer

48
Q

Is a signal regenerator used to boost the pulse in a fiber-optic cable or copper cable?

A

A signal regenerator is used to boost an electronic pulse in a copper cable

49
Q

Most problems with fiber-optic connections are found with the ________ because of dirt/dust which can add attenuation that will impede a fiber-optic signal.

A

Connectors

50
Q

Does the refractive index lower as the velocity of light gets faster? (Yes/No)

51
Q

Which is more permanent when it comes to Fiber Optic Connectors and Splices; a splice or a connector?

52
Q

A fiber typically used for short-distances links with a core diameter much larger than the wavelength of light transmitted that allows many modes of light to propagate is known as?

A

Multimode fiber

53
Q

In fiber optics the angle of incidence at which light is first totally internally reflected is known as the _________.

A

Critical Angle

54
Q

What is the purpose of Aramid Yarn in fiber optic cables?

A

All fiber optic cables must be pulled by the strength member (Aramid Yarn) unless the cable has been specifically designed to be pulled by the jacket

55
Q

Typically how many elements make up each fiber optic cable?

A

Five elements

56
Q

What fiber can support gigabit data rates over long distances?

A

Singlemode fiber

57
Q

The _____, or last mile, is the physical connection between the customer’s site and the central office

A

Local Loop

58
Q

List two methods used to splice fiber-optic cables?

A

Fusion and Mechanical

59
Q

What is splicing?

A

Splicing is the joining of two pieces of fiber-optic cable.

60
Q

When should yellow-blue cross connect wire be used?

A

When connecting Central Office lines to a phone system

61
Q

_________ Is a device that couples visual light into the fiber to allow visual fault tracing and testing of continuity

A

Visual Fault Locator

62
Q

What is the correct order of ring colors according to the 25-pair color code?

A

White, Red, Black, Yellow, Violet

64
Q

A CAT6 UTP cable running from the Telecommunications room on floor 1 to an equipment room on floor 3 would be considered part of the ______ cabling.

65
Q

When terminating 4pair UTP CAT6 cable onto a 110 Style Patch Panel, in what order should the pairs be punched down?

A

The color code that comes included with the Patch Panel.

66
Q

What acronym best describes a technology that passes electrical power over twisted pair Ethernet cable to power devices such as; Wireless access points, VoIP phones, or Security Cameras?

A

POE (Power of Ethernet)

67
Q

What does MDF stand for in relation to telecommunications?

A

Main Distribution Frame