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N10-009 > N10-009-CablesAndConnectors > Flashcards

N10-009-CablesAndConnectors Flashcards

1
Q

Describe the 4 parts of a Coaxial cable

A

inner conductor (core), insulator (separates the inner conductor from the outer conductor), outer conductor (mesh part), PVC covering (protection)

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2
Q

Describe Radio Grade (RG)

A

Determines the thickness of the cable and the conductors. Coaxial cables are also defined in the amount of resistance they have which is measured in Ohms

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3
Q

1000BASE-CX

A

Uses Twinaxial cable - 25 meter max

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4
Q

RG-6

A

A kind of Coaxial cable, the standard for today. Resistance of 75 Ohms

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5
Q

F type connector

A

Coaxial connecter, twist on, most common

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6
Q

BNC connector

A

Coaxial connecter, short twist that locks into place

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7
Q

Twinaxial / Twinax cable

A

2 inner conductors that share a single outer conductor

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8
Q

Describe advantages and disadvantages of coaxial cables

A

Highly resistant to electromagnetic interference (EMI) - Highly resistant to physical damage - inflexible, expensive

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9
Q

Define UTP (Cabling)

A

Unshielded Twisted Pair - regular data cable - UTP has max distance of 100 meters or 325 feet. Cable pairs are twisted to reduce EMI and crosstalk

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10
Q

Define TIA/EIA-568A

A

Standard for UTP - WG, G, WO, B, WB, O, WBr, Br - Swap G and O for 568B

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11
Q

Define TIA/EIA-568B

A

Standard for UTP - WO, O, WG, B, WB, G, WBr, Br - Swap G and O for 568A

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12
Q

Define STP (Cabling)

A

Shielded Twisted Pair - has a grounded copper shield around the pairs for added protection - STP has max distance of 100 meters or 325 feet. Cable pairs are twisted to reduce EMI and crosstalk - Not as common as UTP

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13
Q

Cat3 - Distance and Speed

A

100 meters - 10Mbps

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14
Q

Cat4 - Distance and Speed

A

100 meters - 16Mbps

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15
Q

Cat5 - Distance and Speed

A

100 meters - 100mbps

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16
Q

Cat5e - Distance and Speed

A

100 meters - 1Gbps (better EMI protection)

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17
Q

Cat6 - Distance and Speed

A

100 meters - 10Gbps (Only 55 meters with 10GBaseT network)

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18
Q

Cat6a - Distance and Speed

A

100 meters - 10Gbps (better EMI protection)

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19
Q

Cat7 - Distance and Speed

A

100 meters - 10Gbps+ (better EMI protection)

20
Q

Cat8 - Distance and Speed

A

100 meters - 25Gbps (40Gbps at 30 meters, 40GBaseT network)

21
Q

Describe a Fiber Optic cable

A

Core, Cladding (reflects the light back into the core), Cable Jacket - Fiber cables always use 2 connectors (Duplex)

22
Q

Multimode (Cabling)

A

Carries LED signals - Almost always orange cable

23
Q

Single-mode (Cabling)

A

Carries laser signals - really long distances - Almost always yellow cable

24
Q

ST connector

A

Fiber connector - Straight Tip. Looks like a thin F connector, or a 3.5mm connector - put it in and twist like a BNC.

25
Q

SC connector

A

Fiber connector - Square / Subscriber Connector. Push in to lock, pull to unlock

26
Q

FC connector

A

Fiber connector - looks almost exactly like the ST connector but it screws in like an F connector

27
Q

LC connector

A

Fiber connector - Local Connector. two connectors build into 1, cause fiber is always duplex - looks like 2 SC connectors, but they have tab to lock the connector into place like an cat6 cable.

28
Q

MPO / MTP connector

A

MultiFiber Push On. Has 12 fibers in a single cable. Push to lock. Square block shape

29
Q

MT-RJ connector

A

Fiber connector - two connectors in 1, but it looks like 1 connector, no protruding pin

30
Q

PC (Polishing)

A

Physical Contact - when making a Fiber end, slightly rounded ends on the core of the cable

31
Q

UPC (Polishing)

A

Ultra Physical Contact - when making a Fiber end, more rounded ends on the core of the cable, less loss of light

32
Q

APC (Polishing)

A

Angled Physical Contact - when making a Fiber end, 7 degree angle on the end of the core of the cable. Looks like a used pencil, less loss of light

33
Q

10BASE-T (or TX)

A

10mbps, two pair (not four), Cat3 cable, 100 meter max distance

34
Q

100BASE-T

A

100mbps, two pair (not four), Cat5 cable, 100 meter max distance

35
Q

1000BASE-T

A

1000mbps, four pair, Cat5e cable, 100 meter max distance

36
Q

10GBASE-T

A

1000mbps, four pair, Cat6 cable, 100 meter max distance - Frequency use of 500MHz which is well above the 125MHz used for gigabit Ethernet. UTP 55 meters, STP 100 meters. Or use Cat6a cable and you can get 100 meters on UTP

37
Q

40GBASE-T

A

40Gbps, Cat8 cables at 30 meters

38
Q

100BASE-FX

A

100Mbps, pair of mutimode Fiber - 400 meters at half duplex, 2 Kilometers at full duplex

39
Q

100BASE-SX

A

Less expensive version of 100BASE-FX, 300 meters, LED

40
Q

1000BASE-SX

A

Gigabit Ethernet using short wavelength laser, usually multi-mode fiber, 220-550 meters

41
Q

1000BASE-LX

A

Gigabit Ethernet using long wavelength laser, multi-mode=550 meters, single-mode=5 kilometers

42
Q

10GBASE-SR / SW

A

Short-Range - Multi-mode fiber 26-400 meters - SW version designed to work on SONET networks

43
Q

10GBASE-LR / LW

A

Long-Range - 1310 nanometer Single-mode fiber 10 kilometers - LW version designed to work on SONET networks

44
Q

10GBASE-ER / EW

A

Long-Range - 1550 nanometer Single-mode fiber 40 kilometers - EW version designed to work on SONET networks

45
Q

What is WDM

A

Wavelength-Division Multiplexing - Bidirectional communication over a single strand of fiber. Use different wavelengths for each carrier. Different “colors.”

46
Q

What is CWDM

A

Coarse Wavelength-Division Multiplexing - 10GBASE-LX4 uses four 3.125 Gbit/sec carriers at four different wavelengths

47
Q

What is DWDM

A

Dense Wavelength-Division Multiplexing - Multiplex multiple OC carriers into a single fiber - add 160 signals, increase to 1.6 Tbit/s

N10-009 (9 decks)

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