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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
Features of Solid Core Wire
One-piece (strand) of metal wire | Not flexible
26
Features of Stranded Wire
Multiple strands or solid cores More flexible Better conductor
27
What is RG59 used for
Low-power video connections (digital receivers)
28
What is RG6 used for
Routing cable television signals
29
What is RG58 used for
Thinnet Ethernet networking
30
What is RG8 used for
Thicknet Ethernet networking
31
What is RG9 used for
Cable television transmission and cable modems
32
Give all coaxial connector types
Connection: Video equipment Network nodes Termination
33
Definition of Fiber optic cables
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.
34
Definition of fiber optic cable mode
Mode: In fiber-optic communications, a pathway of light.
35
Definition of Single-mode fiber
Single-mode fiber: A type of fiber optic cable that carries a single optical signal.
36
Defintion of Multimode fiber
Multimode fiber: A type of fiber optic cable that carries multiple light signals on a single strand.
37
Give a description of fiber connector ST
Similar in appearance to BNC connectors (straight ceramic center ping and bayonet lug lockdown) Connect multimode fibers Common in-network patch panels
38
Give a description of fiber connector SC
Box-shaped connectors snap into a receptacle Connect single-mode and multimode fibers Common in duplex configurations
39
Give a description of the fiber connector LC
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
Give a description of the fiber connector MTRJ
Comparable in size to RJ-45 with a snap-to-lock connector Connect two multimode fibers Also called Fiber Jack
41
Give a description of fiber transceiver type GBIC
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
Give a description of fiber transceiver type SFP
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
Give a description of fiber transceiver type SFP+
Supports 8 Gbps Fibre Channel Supports 10 Gbps Ethernet Supports OTU2 standard
44
Give a description of fiber transceiver type QSFP
Quad SPF Four channels Supports 10 Gb transmissions
45
Give a description of fiber connector ferrule polish type PC
Physical Contact The end faces slightly curved or spherical Back reflection about -40 dB Used in most applications
46
Give a description of fiber connector ferrule polish type UPC
Ultra Physical Contact Extended polishing Back reflection about -55 dB Used in digital CATV and telephony
47
Give a description of fiber connector ferrule polish type APC
Angled Physical Contact Industry-standard 8 degrees of curvature Back reflection about -70 dB Used in CATV and analog
48
Give the number of OC channels and data rate of OCx specification OC1
The Number of OC Channels: 1 | Data Rate: 51.84 Mbps
49
Give the number of OC channels and data rate of OCx specification OC3
The Number of OC Channels: 3 | Data Rate: 155.52 Mbps
50
Give the number of OC channels and data rate of OCx specification OC9
The Number of OC Channels: 9 | Data Rate: 466.56 Mbps
51
Give the number of OC channels and data rate of OCx specification OC12
The Number of OC Channels: 12 | Data Rate: 622.08 Mbps
52
Give the number of OC channels and data rate of OCx specification OC18
The Number of OC Channels: 18 | Data Rate: 933.15 Mbps
53
Give the number of OC channels and data rate of OCx specification OC24
The Number of OC Channels: 24 | Data Rate: 1.24 Gbps
54
Give the number of OC channels and data rate of OCx specification OC36
The Number of OC Channels: 36 | Data Rate: 1.87 Gbps
55
Give the number of OC channels and data rate of OCx specification OC192
The Number of OC Channels: 192 | Data Rate: 9.95 Gbps
56
Give the transmission speed of coaxial, twisted pair, and fiber optic cable.
``` 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
Give the distance of coaxial, twisted pair, and fiber optic cable.
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
Give the duplex of coaxial, twisted pair, and fiber optic cable.
Twisted Pair Cable: Full Duplex Coaxial Cable: Full duplex and half-duplex Fiber Optic: Full Duplex
59
Give the noise immunity of coaxial, twisted pair, and fiber optic cable.
Twisted Pair Cable: Up to 30mhz Coaxial Cable: High Fiber Optic Cable: Complete Immunity
60
Give a description of noise
EMI signal disruption | Signal-to-noise ratio decreases as transmission distance increases
61
Give a description of Attenuation
Progressive degradation of signal over distance | Occurs when cable length exceeds recommendations
62
Give a description of Impedance
On AC circuits, opposition to electrical flow Matching impedance across transmitting device, cable, and termination Measured in ohms (Ώ)
63
Definition of media converters
A network device that enables networks running on different bounded media to interconnect and exchange signals.
64
What is Multimode fiber to Ethernet converter used for
Extend an Ethernet connection over a multimode fiber backbone.
65
What is Fiber to coax converter used for
Convert signals on optical fiber to a coax cable.
66
What is Single-mode fiber to multimode fiber used for
Transmit multimode fiber signals over single-mode fiber devices and links.
67
What is Single-mode fiber to Ethernet used for
Extend an Ethernet connection over a single-mode fiber backbone.
68
Definition of TIA
TIA: (Telecommunications Industry Association) An organization accredited by ANSI to develop consensus-based industry standards.
69
Definition of EIA
EIA: (Electronic Industries Alliance) A trade association accredited by ANSI to develop and jointly issue standards for telecommunications and electronics industries.
70
Description of 568 Commercial Building Telecommunication Cabling standard:
Developed by TIA and EIA Defines regulations for designing, building, and managing structured cabling systems 568A and 568B define cable termination (pinouts)
71
Give the specifications of 568A and 568B copper cable termination standards of pin 1.
568A specification: Wire color: Green striped Pin name: Rx+ 568B specification: Wire color: Orange striped Pin name: Tx+
72
Give the specifications of 568A and 568B copper cable termination standards of pin 2.
568A specification: Wire color: Green Pin name: RX- 568B specification: Wire color: Orange Pin name: Tx-
73
Give the specifications of 568A and 568B copper cable termination standards of pin 3.
568A specification: Wire color: Orange striped Pin name: Tx+ 568B specification: Wire color: Green striped Pin name: Rx
74
Give the specifications of 568A and 568B copper cable termination standards of pin 4.
568A specification:Wire color: Blue Pin name: Not used 568B specification: Wire color: Blue Pin name: Not used
75
Give the specifications of 568A and 568B copper cable termination standards of pin 5.
568A specification: Wire color: Blue striped Pin name: Not used 568B specification: Wire color: Blue striped Pin name: Not used
76
Give the specifications of 568A and 568B copper cable termination standards of pin 6.
568A specification: Wire color: Orange Pin name: Tx- 568B specification: Wire color: Green Pin name: Rx-
77
Give the specifications of 568A and 568B copper cable termination standards of pin 7.
568A specification: Wire color: Brown striped Pin name: Not used 568B specification: Wire color: Brown striped Pin name: Not used
78
Give the specifications of 568A and 568B copper cable termination standards of a pin 8.
568A specification: Wire color: Brown Pin name: Not used 568B specification: Wire color: Brown Pin name: Not used
79
Definition of the straight-through cable
Straight-through cable: A network cable that connects, unlike devices. Also called a patch cable.
80
Definition of a crossover cable
Crossover cable: A network cable that connects like devices.
81
Definition of the rollover cable
Rollover cable: A network cable that connects a device to a router's console port.
82
Give all characteristics of the straight-through cable
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
Give all characteristics of the crossover cable
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
Give all characteristics of the rollover cable
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
Give a description of Punch down block
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
Give a description of the Patch panel
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
Give a description of the Fiber distribution panel
Enables termination, storage, and splicing of fiber optic cable fibers Adapters connect the cable to the network
88
Defintion of Plenum cable
Plenum cable: A grade of cable that does not give off noxious or poisonous gases when burned.
89
Definition of plenum
Plenum: An air handling space, including ducts and other parts of the HVAC system in a building.
90
Definition of HVAC
HVAC: (heating, ventilating, and air conditioning) A type of climate control system often found in large commercial or industrial buildings.
91
Definition of PVC
PVC: (polyvinyl chloride) A flexible rubber-like plastic used to surround some twisted pair cabling.
92
Give a full description for the Guidelines for Installing Bounded Network Media
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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