Ch. 5 - Network Cabling Flashcards

1
Q

Most common twisted pair types

A

Category (cat) 3, 5, 5e, 6, 6a, and 7

CAT 5e or higher used in modern LANs

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2
Q

Wiring standard specification

A

TIA/EIA 568

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3
Q

T568A cable pinout

A

green/ green orange/ blue blue/ orange brown/ brown

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4
Q

T568B cable pinout

A

orange/ orange green/ blue blue/ green brown/ brown

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5
Q

power for standard PoE devices

A

15.4 watts

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6
Q

for newer PoE+ devices

A

25.5 watts

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7
Q

(802.3at standard)

A

PoE+

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8
Q

PoE requires ____ or better cabling

A

Cat 5

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9
Q

100 Mbps, 100m distance, cat 5 or better cabling, 2 pair used

A

100Base-t Fast Ethernet

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10
Q

1000 Mbps, 100m distance, cat 5 or better cabling (5e preferred), 4 pair used

A

1000Base-T Gigabit Ethernet

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11
Q

10,000 Mbps, 100m distance, cat 6a or 7 or better cabling (7 preferred), 4 pair used

A

10GBase-T 10-Gigabit Ethernet

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12
Q

SMF (Single Mode Fiber) core size

A

8-10 microns

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13
Q

MMF (Multimode Fiber) core size

A

50 or 62.5 microns

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14
Q

MMF connectors are classified by

A

Classified by the number of fibers

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15
Q

SMF connectors are classified by

A

Classified by size and shape of the ferrule

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16
Q

Most common 1.25-mm fiber connector is

A

LC (local connection)

17
Q

Two 2.5-mm connectors are the

A

SC (standard connector) and ST (straight tip)

18
Q

1000Base-LX distance

A

550m for MMF 5000m for SMF

19
Q

1000Base-SX distance

A

Up to 550, depending on modal bandwidth and fiber core diameter

20
Q

10GBase-SR distance

A

Up to 300, depending on modal bandwidth and fiber core diameter

21
Q

10GBase-LW

A

10,000m

22
Q

10GBase-LR

A

10,000m

23
Q

10GBase-ER

A

40,000m

24
Q

10GBase-EW

A

40,000m