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Network+ > Section 5: Media & Cabling Distribution > Flashcards

Section 5: Media & Cabling Distribution Flashcards

1
Q

What are the 3 types of media?

A

Copper, Fiber Optic, Wireless

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2
Q

What are the 2 types of coaxial cables?

A

RG-6 & RG-59

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3
Q

What is an RG-6 cable used for?

A

Commonly used by local cable companies to connect individual homes

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4
Q

What is an RG-59 used for?

A

Used to carry composite video between two nearby devices. Such as from a cable box to the television

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5
Q

What are the 2 types of coaxial connectors?

A

F-Connector & BNC

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6
Q

What is an F-Connector used for?

A

Used for cable TV and cable modem connections

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7
Q

What was a BNC used for?

A

Used for 10BASE2 Ethernet networks

Bayonet Neill-Concelman/British Naval Connector

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8
Q

What is a Twinaxial Cable?

A

Similar to a coaxial cable but uses two inner conductors to carry the data instead of just one.

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9
Q

What are Twisted Pair Cables?

A

The most popular physical LAN media type

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10
Q

What are the 2 types of twisted pair cables?

A

Unshielded Twisted Pair & Shielded Twisted Pair

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11
Q

What are the 2 types of twisted pair connectors?

A

RJ-45 & RJ-11

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12
Q

What is an RJ-45?

A

An 8-pin connector in Ethernet networks

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13
Q

What is an RJ-11?

A

A 6-pin connector commonly found in telephone systems

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14
Q

What is a Registered Jack (RJ)?

A

Used to carry voice or data which specifies the standards a device needs to meet to connect to the phone or data network.

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15
Q

What is bandwidth?

A

A theoretical measure of how much data could be transferred from a source to its destination

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16
Q

What is throughput?

A

An actual measure of how much data is transferred from a source to its destination

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17
Q

What standard, bandwidth, and distance is a CAT 3 cable?

A

10BASE-T, 10 Mbps, 100 meters

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18
Q

What standard, bandwidth, and distance is a CAT 5 cable?

A

100BASE-TX, 100 Mbps, 100 meters

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19
Q

What standard, bandwidth, and distance is a CAT 5e cable?

A

1000BASE-T, 1000 Mbps, 100 meters

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20
Q

What standard, bandwidth, and distance is a CAT 6 cable?

A

1000BASE-T/10GBASE-T, 1000 Mbps/10 Gbps, 100 meters/55 meters

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21
Q

What standard, bandwidth, and distance is a CAT 6a cable?

A

10GBASE-T, 10 Gbps, 100 meters

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22
Q

What standard, bandwidth, and distance is a CAT 7 cable?

A

10GBASE-T, 10 Gbps, 100 meters

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23
Q

What standard, bandwidth, and distance is a CAT 8 cable?

A

40GBASE-T, 40 Gbps, 30 meters

24
Q

What is the preferred standard for a Straight-Through Patch Cable?

25
Q

What are Crossover Cables?

A

Swaps the send and receive pins on the other end of the cable when the connector and its pinout are created

26
Q

What are the 2 standard pinouts?

A

TIA/EIA-568A & TIA/EIA-568B

27
Q

What is the Medium Dependent Interface Crossover (MDIX)?

A

An automated way to electronically simulate a crossover cable connector even if using a straight-through patch cable

If a switch doesn’t support MDIX, use a crossover cable

28
Q

What is a Plenum Cable?

A

A special coating put on a UTP or an STP cable that provides a fire-retardant chemical layer to the outer insulating jacket

Safe for ceilings, walls, and raised floors

29
Q

What is a Non-Plenum Cable (PVC)?

A

A normal UTP/STP rated cable

Cannot be used in raised floors, ceilings, or walls

30
Q

What are Fiber Optic Cables?

A

Uses light from an LED or laser to transmit information through a glass fiber

31
Q

What are 2 types of Fiber Optic Cables?

A

Single-Mode Fiber & Multimode Fiber

32
Q

What are Single-Mode Fiber (SMF) used for?

A

Used for longer distances and has a smaller core size which allows for only a single mode of travel for the light signal

Core size is 8.3 - 10 μ in diameter

33
Q

What are Multimode Fiber (MMF) used for?

A

Used for shorter distances and has a larger core size which allows for multiple modes of travel for the light signal

Core size is 50 - 100 μ in diameter

34
Q

What is Wavelength Division Multiplexing (WDM)?

A

Combines multiple signals into one signal and sends over a single fiber strand using different wavelengths of the laser light source

35
Q

How many wavelength channels, distance, and speed can a Coarse WDM (CWDM) support?

A

Up to 18 channels, 20 nm, Up to 10 Gbps (Ethernet) & Up to 16 Gbps (Fiber)

36
Q

How many wavelength channels, distance, and speed can a Dense WDM (DWDM) support?

A

Up to 80 channels, 0.8 nm, Up to 8 Tbps (100 Gbps/channel)

37
Q

What are some advantages of Fiber Optic Cables?

A

Higher bandwidth, longer distances, immune to EMI, better security

38
Q

What are some advantages for Copper cables?

A

Less expensive, easy to install, inexpensive tools

39
Q

What is a media converter?

A

Converts media from one format to another

Considered a Layer 1 device. Physical conversion of signal only

40
Q

What are Transceivers? What are the 2 types?

A

Device that sends and receives data. Bidirectional & Duplex

41
Q

What is a Bidirectional Transceiver?

A

Devices take turns communicating

Known as half-duplex

42
Q

What is a Duplex Transceiver?

A

When devices can both communicate at the same time

Also known as full duplex

43
Q

What are the 5 types of transceivers used in switches and routers?

A

GBIC, SFP, SFP+, QSFP, QSFP+

44
Q

What is a Gigabit Interface Converter (GBIC)?

A

A standard, hot-pluggable gigabit Ethernet transceiver (copper or fiber)

45
Q

What is a Small Form-Factor Pluggable (SFP) and what does it support up to?

A

A compact, hot-pluggable optical module transceiver. Supports up to 4.25 Gbps

Known as Mini-GBIC

46
Q

What is a Small Form-Factor Pluggable + (SFP+) and what does it support up to?

A

An enhanced version of SFP. Supports up to 16 Gbps

47
Q

What is a Quad Small Form-Factor Pluggable (QSFP) and what does it support up to?

A

A compact, hot-pluggable optical module transceiver. Supports up to 40 Gbps

48
Q

What is a Quad Small Form-Factor Pluggable + (QSFP+) and what does it support up to?

A

An enhanced version of QSFP. Supports up to 41.2 Gbps

49
Q

What is a Demarcation Point?

A

The entrance facilities where your WAN connection will enter your building

50
Q

What are the 4 types of Punch Down Blocks?

A

66, 110, Krone, BIX

51
Q

What is a 66 Block used for?

A

Used for phones and older LAN wiring

Bad choice for higher-speed LAN wiring

52
Q

What is a 110 Block used for?

A

USed for higher-speed network wiring

Requires CAT 5 or above cabling

53
Q

What is a Krone Block?

A

A proprietary European alternative to a 110 Block

54
Q

What is a BIX Block?

A

A proprietary punch down block that comes in various sizes

Will need a BIX-specific punch down tool

55
Q

What is a Copper Patch Panel?

A

A device with jacks to connect wiring from the jack to a network switch in a flexible manner.

Has punch downs on the back side, and the front has RJ-45 jacks

56
Q

What is a Fiber Patch Panel?

A

A device where fiber jacks connect throughout a building to a single patch panel in a network closet

Front uses pacth cables to connect different wall jacks and switch ports

Network+ (22 decks)

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