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Cabling/CPU > Cabling > Flashcards

Cabling Flashcards

1
Q

Characteristics of category 5 (cat 5) cabling?

A

100 Mbps transfer rate over 2 pairs of cables (100BASE-T networks)
1 gbps transfer rate over all 4 pairs of cables (100BASE-T networks)
100-meter cable segment length
Twisted pair copper cabling
RJ45 connector

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2
Q

What is the common minimum requirement for twisted pair copper cabling in modern Ethernet networks?

A

Cat 5e

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3
Q

Characteristics of category 5e (cat 5e) cabling?

A

100 meter cable segment length
Twisted pair copper cabling
RJ45 connector
1 GBPs transfer rate over all 4 pairs of cables (1000BASE-T networks)

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4
Q

What is the minimum requirement for a 10 GBPs thereby connection over copper twisted pair?

A

Cat 6

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5
Q

In 10GBASE-T networks , category 6 UTP cabling supports a 10 GBPs data transfer rate at a limited range of 33-55 meters , whereas Cat 6A (augmented) cabling allows for 10 GBPs data transfer rate over a cable segment length of 100 meters

A

True

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6
Q

Which of the following answers refers to coaxial cabling ?

A

Used for carrying cable television signal
Copper cabling
Provides protection against EMI
Used for broadband cable internet access

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7
Q

The general feature of all twisted pair cabling types is that wires inside cable are grouped into pairs and wires in each pair are twisted around each other to reduce signal interference from adjacent wire pairs (effect known as crosstalk)

A

True

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8
Q

The main difference between the UTP (unshielded twisted pair) and STP(shielded twisted pair) cabling is that the UTP cable takes advantage of additional protective cover reducing signal interference from outside sources

A

False

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9
Q

An Ethernet network cable segment implemented with the use of twisted pair copper cabling typically covers a maximum distance of

A

100 meters

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10
Q

Which of the answers listed below refers to a cabling type suitable for installation under ground level without any additional protective covering ?

A

DBC (direct burial cable)

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11
Q

Shielded twisted pair (STP) cabling reduces what kind of interference? 2 answers

A

Crosstalk
EMI (electromagnetic interference)

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12
Q

Which of the following answers refers to UTP ( unshielded twisted pair) cabling?

A

Twisted pair copper cabling
Used in Ethernet networks and telephone systems
Low cost and ease of installation
Not surrounded by any shielding that would provide protection against interference from outside sources
In Ethernet networks,installed with a RJ45 connector type

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13
Q

A type of enclosed space in a building (such as the one between a dropped ceiling and the structural ceiling) used for air handling is commonly referred to as a plenum space. A special type of cabling with fire retardant jacket placed inside that space is known as a plenum-rated cabling. Materials from which the plenum-rated cables cover is made include low smoke polyvinyl chloride (PVC) and Fluorinated Ethylene Polymer (FEP)

A

True

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14
Q

What are the characteristic traits of single mode fiber optics? 3 answers

A

More expensive than multimode fiber optics
Transmission distances of up to 100 km
Uses laser as the source of light

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15
Q

Which of the answers below refer to the characteristics of multimode fiber optics ?

A

Transmission distances of up to 2 km
Less expensive than single mode fiber optics
Uses LED as the source of light

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16
Q

A common cabling type used for connecting workstations to network devices is referred to as : 2 answers

A

Patch cable
Straight through cable

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17
Q

What type of Ethernet cable would be used for establishing a direct communication link between two pcs?

A

Crossover cable

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18
Q

What is the maximum allowable cable length for usb 2.0?

A

5 meters

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19
Q

What is the practical cable length limitation for usb 3.x?

A

3 meters

20
Q

Refers to an older type of serial cable used for connecting modems, printers, mice, and other peripheral devices?

A

RS-232

21
Q

What are the characteristic features of thunderbolt 1? 4 answers

A

Data transfer rate of up to 20 gbps
Mini display-port(MDP) connector
Capability to send PCIe/DisplayPort data and power over a single cable
Support for up to 6 devices on a single port

22
Q

Which of the answers listed below refers to thunderbolt 2?

A

Support for up to 6 devices on a single port
Capability to send PCIe/DisplayPort data and power over single cable
Mimi display port (MDP) connector
Data transfer rate of up to 20 GBPs

23
Q

Thunderbolt 3 :

A

Provides support for up to 6 devices on a single port
Enables data transfer of up to 40 GBPs
Uses USB-C connector
Provides the capability to send PCIe/DisplayPort data and power single cable

24
Q

What is the maximum allowable length for a thunderbolt copper cable?

A

Up to 3 meters

25
Q

The fiber-optic thunderbolt interface allows for a maximum cable length of :

A

60 meters

26
Q

Which type of cabling provide the capability for transmission of both video and audio data? 2 answers

A

HDMI
DisplayPort

27
Q

What are the characteristic features of the signal that can be carried through an HDMI cable? 2 answers

A

Digital signal
Video and audio

28
Q

Refers to the signal that can be sent over DisplayPort cabling?

A

Digital audio/video

29
Q

Which of the digital visual interface (DVI) versions does not provide support for digital signal transmission?

A

DVI-A

30
Q

Which DVI type does not provide support for analog signal transmission?

A

DVI-D

31
Q

DVI-I provides support for both digital and analog video signal transmission.

A

True

32
Q

Which of the answers listed below refer to the characteristic features of the signal that can be carried through the VGA ( video graphics array) cable? 2 answers

A

Video
Analog

33
Q

Examples of cabling types used for mass storage devices include:

A

SATA (serial advanced technology attachment)
IDE/PATA (integrated drive electronics)/(parallel advanced technology attachment)
SCSI(small computer system interface)
eSATA(external serial advanced technology attachment)

34
Q

Characteristic features of SATA revision 1.0 2 answers

A

1.5 GBPs transfer rate
Maximum cable length of 1 meter

35
Q

SATA revision 2.0 specifies : 2 answers

A

3 GBPs data transfer rate
Maximum cable length of 1 meter

36
Q

Characteristic features of SATA revision 3.0

A

Maximum cable length of 1 meter
6 GBPs data transfer rate

37
Q

A single serial ATA (SATA) data cable can be used to connect a motherboard slot with how many devices?

A

Only 1 device

38
Q

Characteristic features of SATA revision 3.2

A

Maximum cable length of 1 meter
16 GBPs data transfer rate

39
Q

SCSI chain requires termination.

A

True

40
Q

What is the maximum allowable number of devices that can be attached to a parallel SCSI bus?

A

16 devices

41
Q

Characteristic features of SAS(serial attached SCSI commonly pronounced “scuzzy”) 3 answers

A

Serial interface
Point - to - point connection
Does not require bus termination

42
Q

Characteristic features of parallel ATA (PATA) cabling ? 3 answers

A

Cable consisting of 40 wires
Ribbon cable
Cable consisting of 80 wires

43
Q

Maximum number of devices that can be attached to a PC through a single PATA cable?

A

2

44
Q

Type of network cabling is most susceptible to EMI (electromagnetic interference) and RFI(radio frequency interference)

A

UTP(unshielded twisted pair)

45
Q

Type of network cabling provides immunity against EMI and RFI

A

Fiber optics

Cabling/CPU (3 decks)

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