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Networking > Network Cabling > Flashcards

Network Cabling Flashcards

1
Q

Describe copper cable

A

Twisted pair. Pairs of conductors/wires work together & are twisted around each other over the length of the cable

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2
Q

What are the 2 main types of copper cable?

A

Unshielded twisted pair (UTP) and shielded twisted pair (STP)

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3
Q

What are the common categories of copper cable?

A

3, 5, 5e, 6, 6a, 7

Cat 5e and higher used on all modern LANs

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4
Q

What does a higher category copper cable mean?

A

More twists per foot, more expensive, more immune to interference, higher bandwidth

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5
Q

What are some advantages to copper cable?

A 
Relatively inexpensive
Flexible
Easy installation 
Spans significant distances
Accommodates multiple topologies
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6
Q

Describe UTP

A

4 pairs (8 conductors)
Colour coded
Plastic outer jacket
Cat 6 and higher has a plastic core

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7
Q

Describe STP

A

Colour coded
Different types of shielding
Foil wrapped cable or individual pairs
Maybe braided overall shield

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8
Q

What is the RJ45 technically called

A

8 pin 8 conductor (8P8C)

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9
Q

Compare STP to UTP

A

Throughput is the same
STP more expensive
STP more noise resistant
Both have max length of 100m

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10
Q

What are the standards for proper cable termination?

A

TIA/EIA 568A

TIA/EIA 568B

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11
Q

What do you use straight through cable for?

A

Computer

Router to switch

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12
Q

What do you cross over cable for?

A

Like devices

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13
Q

What do you use rollover cable for?

A

Computer to console port

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14
Q

Describe fibre optic cable

A

Has glass or plastic core. Pairs of fibres work together to transmit and receive

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15
Q

What are the types of fibre optic cable?

A

Single Mode Fibre (SMF)

Multi Mode Fibre (MMF)

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16
Q

What are the classifications for fibre optic cables?

A

SMF: OS1, OS2
MMF: OM1-OM4

17
Q

What are advantages to using fibre optic cable?

A

Extremely high throughout
Noise immune
Excellent security
Spans distances significantly beyond copper
Industry standard for high speed networks

18
Q

Describe Multi Mode Fibre (MMF) cable?

A

Core size 50u
Laser or LED generated light
Greater attenuation than SMF
Commonly used in network backbones

19
Q

Describe Single Mode Fibre (SMF) cables?

A

Looks the same as MMF
Core size 8u-10u
Laser generated light
Backbone of the internet

20
Q

What are common fibre optic cable connectors?

A

SMF: 1.25mm LC
MMF: RJ-MT

21
Q

Compare SMF to MMF cables

A

SMF has higher throughout
SMF is more expensive
They both are identically noise immune
SMF is longer (up to 40km)

Networking (18 decks)

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