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ELX > AA1 LT1 > Flashcards

AA1 LT1 Flashcards

1
Q

What is a structured cabling system?

A

Standards-compliant cabling and hardware for telecommunications infrastructure

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2
Q

What must the cabling installer understand to accommodate growth in networking?

A

Standards-based designs

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3
Q

What is the purpose of a cross-connect?

A

Connects horizontal and backbone cable

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4
Q

How many cabling runs should there be from the telecommunications closet to each work area?

A

At least two

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5
Q

What are the functions of an equipment room?

A

Terminate and cross-connect cables, Provide work space

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6
Q

What are the three types of cross-connects?

A

Horizontal, intermediate, main.

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7
Q

What do patch cords allow in terms of routing changes?

A

Easy routing changes

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8
Q

How many basic types can LAN cables be divided into?

A

Three: twisted-pair, coaxial, fibre-optic

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9
Q

What have local area networks been able to distribute historically?

A

Voice, video communications, data

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10
Q

What is at the physical and logical center of the network in a star topology?

A

Hub or switch

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11
Q

What is the purpose of a backbone in a structured cabling system?

A

Interconnections for different facilities

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12
Q

What are the three types of twisted-pair copper cables?

A

UTP, SCTP, STP

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13
Q

What are the traditional categories of telecommunications?

A

Voice, Data, Video

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14
Q

How does SCTP differ from UTP in construction?

A

Mylar/aluminum foil shield and drain wire

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15
Q

What are examples of the Voice category in telecommunications?

A

telephone, modem, fax

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16
Q

How are all network devices connected in a bus topology?

A

One length of cable

17
Q

What are telecommunication closets primarily responsible for?

A

Floor serving

18
Q

What is the purpose of the drain wire in a cable?

A

To ground the foil shield

19
Q

What are examples of the Data category in telecommunications?

A

LAN, MAN, WAN, mainframe computers, PCs

20
Q

What are examples of the Video category in telecommunications?

A

CATV, CCTV, interactive video

21
Q

What type of topology do structured cabling systems typically use?

A

Physical star

22
Q

What are equipment rooms also known as?

A

Main closet

23
Q

What does the backbone store?

A

Common control equipment

24
Q

What are cross-connects used for?

A

Attaching multiport connections to horizontal or backbone cabling.

ELX (55 decks)

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