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Comptia N+ From Classroom > Bounded Network Media > Flashcards

Bounded Network Media Flashcards

1
Q

Definition of network media

A

Network media: The bounded or unbounded conduit through which signals flow.

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2
Q

Definition of Bounded media

A

Bounded media: A network medium that uses a physical conductor, typically made of metal or glass.

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3
Q

Definition of unbounded media

A

Unbounded media: A network medium that does not use a physical connection between devices and can transmit electromagnetic signals through the air by using radio waves, microwaves, or infrared radiation.

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4
Q

Definition of radio wave

A

Radio wave: An electromagnetic wave with wavelengths longer than infrared light.

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5
Q

Definition of microwave

A

Microwave: An electromagnetic wave with wavelengths shorter than radio waves.

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6
Q

Definition of Infrared radiation

A

Infrared radiation: An electromagnetic wave with wavelengths longer than visible light.

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7
Q

Definition of copper media

A

Copper media: Bounded media that use one or more copper conductors surrounded by an insulated coating.

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8
Q

Definition of shielding

A

Shielding: A method of placing grounded conductive material around bounded media to prevent the introduction of noise into the media.

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9
Q

Definition of twisted pair

A

Twisted pair: A type of cable in which two conductors or pairs of copper wires are twisted around each other and clad in a color-coded, protective insulating plastic sheath or jacket to form a pair.

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10
Q

Definition of coaxial cable

A

Coaxial cable: (coax) A type of copper cable that features a central conductor surrounded by an insulator and braided or foil shielding.

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11
Q

Definition of Twisted pair cables

A

A type of cable in which two conductors or pairs of copper wires are twisted around each other and clad in a color-coded, protective insulating plastic sheath or jacket to form a pair.

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12
Q

Definition of UTP

A

UTP: (unshielded twisted pair) A type of twisted pair cabling that does not include shielding around its conductors.

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13
Q

Definition of STP

A

STP: (shielded twisted pair) A type of twisted pair cabling that includes shielding around its conductors.

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14
Q

Features of UTP

A

No shielding around conductors.
Typically contains four pairs of stranded or solid conductors.
Inexpensive and reliable

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15
Q

Features of STP

A

Shielding around conductors.
Typically contains four pairs of stranded or solid conductors.
More expensive than UTP.

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16
Q

Give the max speed, max distance, and network type of the twisted pair cable category 3

A

Network Type: Ethernet
Max Speed: 16
Max Distance: 100 m

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17
Q

Give the max speed, max distance, and network type of the twisted pair cable category 4

A

Network Type: IBM Token Ring
Max Speed: 100mbps
Max Distance: 100m

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18
Q

Give the max speed, max distance, and network type of the twisted pair cable category 5

A

Network Type: Fast Ethernet
Max Speed: 1 Gbps
Max Distance: 100m

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19
Q

Give the max speed, max distance, and network type of the twisted pair cable category 5e

A

Network Type: Gigabit Ethernet
Max Speed: 1 Gbps
Max Distance:100m

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20
Q

Give the max speed, max distance, and network type of the twisted pair cable category 6

A

Network Type: Gigabit Ethernet and 10 Gigabit Ethernet
Max Speed: 1 Gbps and 10 Gbps
Max Distance: 100m and 55m

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21
Q

Give the max speed, max distance, and network type of the twisted pair cable category 6a

A

Network Type: 10 Gigabit Ethernet
Max Speed: 10 Gbps
Max Distance: 100m

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22
Q

Give the max speed, max distance, and network type of the twisted pair cable category 7

A

Network Type: 10 Gigabit Ethernet
Max Speed: 10 Gbps
Max Distance:100m

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23
Q

Definition of Coaxial Cable

A

Coaxial cable: (coax) A type of copper cable that features a central conductor surrounded by an insulator and braided or foil shielding.

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24
Q

Defintion of Dialetric insulator

A

Dialectric insulator: A material that does not conduct electricity and that separates the conductor and shield in a coaxial cable.

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25
Q

Features of Solid Core Wire

A

One-piece (strand) of metal wire

Not flexible

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26
Q

Features of Stranded Wire

A

Multiple strands or solid cores
More flexible
Better conductor

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27
Q

What is RG59 used for

A

Low-power video connections (digital receivers)

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28
Q

What is RG6 used for

A

Routing cable television signals

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29
Q

What is RG58 used for

A

Thinnet Ethernet networking

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30
Q

What is RG8 used for

A

Thicknet Ethernet networking

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31
Q

What is RG9 used for

A

Cable television transmission and cable modems

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32
Q

Give all coaxial connector types

A

Connection:
Video equipment
Network nodes

Termination

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33
Q

Definition of Fiber optic cables

A

A network cable is composed of one or more bundled glass threads (fibers or filaments) that are coated in plastic and are used to transmit data by pulses of light.

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34
Q

Definition of fiber optic cable mode

A

Mode: In fiber-optic communications, a pathway of light.

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35
Q

Definition of Single-mode fiber

A

Single-mode fiber: A type of fiber optic cable that carries a single optical signal.

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36
Q

Defintion of Multimode fiber

A

Multimode fiber: A type of fiber optic cable that carries multiple light signals on a single strand.

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37
Q

Give a description of fiber connector ST

A

Similar in appearance to BNC connectors (straight ceramic center ping and bayonet lug lockdown)
Connect multimode fibers
Common in-network patch panels

38
Q

Give a description of fiber connector SC

A

Box-shaped connectors snap into a receptacle
Connect single-mode and multimode fibers
Common in duplex configurations

39
Q

Give a description of the fiber connector LC

A

Half the size of ST and SC with an RJ-45-type latching
Connect single-mode and multimode fibers
Used to transition from twisted pair to optical fiber cabling

40
Q

Give a description of the fiber connector MTRJ

A

Comparable in size to RJ-45 with a snap-to-lock connector
Connect two multimode fibers
Also called Fiber Jack

41
Q

Give a description of fiber transceiver type GBIC

A

Gigabit Interface converter
Converts electrical signals to optical signals and vice versa
High-speed network interface
Variable wavelength
Short-wave connects devices between 0.5 and 500 meters
Long-wave connects devices between 2 and nearly 10 meters

42
Q

Give a description of fiber transceiver type SFP

A

Small form-factor pluggable
Converts electrical signals to optical signals and vice versa
Common in 2 Gbps and 4 Gbps Fibre Channel components
Smaller than GBIC

43
Q

Give a description of fiber transceiver type SFP+

A

Supports 8 Gbps Fibre Channel
Supports 10 Gbps Ethernet
Supports OTU2 standard

44
Q

Give a description of fiber transceiver type QSFP

A

Quad SPF
Four channels
Supports 10 Gb transmissions

45
Q

Give a description of fiber connector ferrule polish type PC

A

Physical Contact
The end faces slightly curved or spherical
Back reflection about -40 dB
Used in most applications

46
Q

Give a description of fiber connector ferrule polish type UPC

A

Ultra Physical Contact
Extended polishing
Back reflection about -55 dB
Used in digital CATV and telephony

47
Q

Give a description of fiber connector ferrule polish type APC

A

Angled Physical Contact
Industry-standard 8 degrees of curvature
Back reflection about -70 dB
Used in CATV and analog

48
Q

Give the number of OC channels and data rate of OCx specification OC1

A

The Number of OC Channels: 1

Data Rate: 51.84 Mbps

49
Q

Give the number of OC channels and data rate of OCx specification OC3

A

The Number of OC Channels: 3

Data Rate: 155.52 Mbps

50
Q

Give the number of OC channels and data rate of OCx specification OC9

A

The Number of OC Channels: 9

Data Rate: 466.56 Mbps

51
Q

Give the number of OC channels and data rate of OCx specification OC12

A

The Number of OC Channels: 12

Data Rate: 622.08 Mbps

52
Q

Give the number of OC channels and data rate of OCx specification OC18

A

The Number of OC Channels: 18

Data Rate: 933.15 Mbps

53
Q

Give the number of OC channels and data rate of OCx specification OC24

A

The Number of OC Channels: 24

Data Rate: 1.24 Gbps

54
Q

Give the number of OC channels and data rate of OCx specification OC36

A

The Number of OC Channels: 36

Data Rate: 1.87 Gbps

55
Q

Give the number of OC channels and data rate of OCx specification OC192

A

The Number of OC Channels: 192

Data Rate: 9.95 Gbps

56
Q

Give the transmission speed of coaxial, twisted pair, and fiber optic cable.

A 
Twisted Pair:
CAT 3: 10 Mbps
CAT 5: 100 Mbps
CAT 5e: 1 Gbps
CAT 6: 1 Gbps/
10 Gbps
CAT 6a: 1 Gbps/
10 Gbps

Coaxial cable
10 Mbps

Fiber Optic Cable
40000 Mbps

57
Q

Give the distance of coaxial, twisted pair, and fiber optic cable.

A

Twisted Pair Cable:
100 m/segment for up to 1 Gbps
55 m/segment for 10 Gbps

Coaxial Cable:
500 m/segment

Fiber Optic Cable:
Multimode: up to 500 m
Single-mode: over 500 m

58
Q

Give the duplex of coaxial, twisted pair, and fiber optic cable.

A

Twisted Pair Cable:
Full Duplex

Coaxial Cable:
Full duplex and half-duplex

Fiber Optic:
Full Duplex

59
Q

Give the noise immunity of coaxial, twisted pair, and fiber optic cable.

A

Twisted Pair Cable:
Up to 30mhz

Coaxial Cable:
High

Fiber Optic Cable: Complete Immunity

60
Q

Give a description of noise

A

EMI signal disruption

Signal-to-noise ratio decreases as transmission distance increases

61
Q

Give a description of Attenuation

A

Progressive degradation of signal over distance

Occurs when cable length exceeds recommendations

62
Q

Give a description of Impedance

A

On AC circuits, opposition to electrical flow
Matching impedance across transmitting device, cable, and termination
Measured in ohms (Ώ)

63
Q

Definition of media converters

A

A network device that enables networks running on different bounded media to interconnect and exchange signals.

64
Q

What is Multimode fiber to Ethernet converter used for

A

Extend an Ethernet connection over a multimode fiber backbone.

65
Q

What is Fiber to coax converter used for

A

Convert signals on optical fiber to a coax cable.

66
Q

What is Single-mode fiber to multimode fiber used for

A

Transmit multimode fiber signals over single-mode fiber devices and links.

67
Q

What is Single-mode fiber to Ethernet used for

A

Extend an Ethernet connection over a single-mode fiber backbone.

68
Q

Definition of TIA

A

TIA: (Telecommunications Industry Association) An organization accredited by ANSI to develop consensus-based industry standards.

69
Q

Definition of EIA

A

EIA: (Electronic Industries Alliance) A trade association accredited by ANSI to develop and jointly issue standards for telecommunications and electronics industries.

70
Q

Description of 568 Commercial Building Telecommunication Cabling standard:

A

Developed by TIA and EIA
Defines regulations for designing, building, and managing structured cabling systems
568A and 568B define cable termination (pinouts)

71
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 1.

A

568A specification: Wire color: Green striped
Pin name: Rx+

568B specification: Wire color: Orange striped
Pin name: Tx+

72
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 2.

A

568A specification: Wire color: Green
Pin name: RX-

568B specification: Wire color: Orange
Pin name: Tx-

73
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 3.

A

568A specification: Wire color: Orange striped
Pin name: Tx+

568B specification: Wire color: Green striped
Pin name: Rx

74
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 4.

A

568A specification:Wire color: Blue
Pin name: Not used

568B specification: Wire color: Blue
Pin name: Not used

75
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 5.

A

568A specification: Wire color: Blue striped
Pin name: Not used

568B specification: Wire color: Blue striped
Pin name: Not used

76
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 6.

A

568A specification: Wire color: Orange
Pin name: Tx-

568B specification: Wire color: Green
Pin name: Rx-

77
Q

Give the specifications of 568A and 568B copper cable termination standards of pin 7.

A

568A specification: Wire color: Brown striped
Pin name: Not used

568B specification: Wire color: Brown striped
Pin name: Not used

78
Q

Give the specifications of 568A and 568B copper cable termination standards of a pin 8.

A

568A specification: Wire color: Brown
Pin name: Not used

568B specification: Wire color: Brown
Pin name: Not used

79
Q

Definition of the straight-through cable

A

Straight-through cable: A network cable that connects, unlike devices. Also called a patch cable.

80
Q

Definition of a crossover cable

A

Crossover cable: A network cable that connects like devices.

81
Q

Definition of the rollover cable

A

Rollover cable: A network cable that connects a device to a router’s console port.

82
Q

Give all characteristics of the straight-through cable

A

Straight-through
Used for network connectivity
Four wires; Pins 1 and 2 transmit, Pins 3 and 6 receive
Each pin at one end is connected to the same number pin at the other end

83
Q

Give all characteristics of the crossover cable

A

Crossover
Used to connect devices, switches, or routers to the same type of device, switch, or router
Transmit at one end connects to receive at the other end for simultaneous communication
Pin 1 connects to Pin 3, Pin 2 to Pin 6, Pin 3 to Pin 1, and Pin 6 to Pin 2

84
Q

Give all characteristics of the rollover cable

A

Rollover
Used to connect to a router’s console port for router configuration changes
Each end is wired the exact opposite of the other
Also called Cisco console cables or Yost cables

85
Q

Give a description of Punch down block

A

In wiring closets, connects groups of phone or network wires
66 block supports low bandwidth telecommunications transmissions
110 block supports higher bandwidth, data applications

86
Q

Give a description of the Patch panel

A

Connection point for drop cables and patch cables
At least one row of RJ-45 connectors (ports)
Drop cables run from the ISP to the connectors
Patch cables run from the panel to network devices

87
Q

Give a description of the Fiber distribution panel

A

Enables termination, storage, and splicing of fiber optic cable fibers
Adapters connect the cable to the network

88
Q

Defintion of Plenum cable

A

Plenum cable: A grade of cable that does not give off noxious or poisonous gases when burned.

89
Q

Definition of plenum

A

Plenum: An air handling space, including ducts and other parts of the HVAC system in a building.

90
Q

Definition of HVAC

A

HVAC: (heating, ventilating, and air conditioning) A type of climate control system often found in large commercial or industrial buildings.

91
Q

Definition of PVC

A

PVC: (polyvinyl chloride) A flexible rubber-like plastic used to surround some twisted pair cabling.

92
Q

Give a full description for the Guidelines for Installing Bounded Network Media

A

Create a network requirements list to follow.
Consider performance factors when selecting network media.
Consider environmental limitations.
Use converters to interconnect different media types.
Follow the 568 Standard for structured cabling.
Use premise wiring components properly.
Use plenum cable when required and PVC in non-plenum spaces.
Be aware of equipment limitations and their effects.
Ensure compatibility requirements are met.
Use a wiring closet.
Provide adequate power to the wiring closet, and protect against power quality issues and outages.
Use rack systems in wiring closets.
Use good cable management techniques.
Keep patch panels and cables orderly.
Use labeling on cables for ease in tracing wiring paths.

Comptia N+ From Classroom (6 decks)

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