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CompTIA Network+ (N10-007) > Cabling and Topology > Flashcards

Cabling and Topology Flashcards

1
Q

The way that cables and other pieces of hardware connect to one another is called ____.

A

Network topology

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2
Q

Ways of connecting computers together are called ____.

A

Topologies

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3
Q

The first generation of wired networks used one of two topologies. They were called ____ and ____.

A

Bus and ring

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4
Q

What type of topology used a single cable that connects all the computers in a line?

A

Bus

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5
Q

What topology connects all computer on a network with a ring of cable?

A

Ring

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6
Q

What topology requires a termination at each end of a cable to prevent a signal sent from one computer from reflecting at the ends of the cable, quickly bringing the network down?

A

Bus

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7
Q

In what topology does data traffic move in a circle from one computer to the next in the same direction?

A

Ring

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8
Q

What problem did bud and ring topology networks suffer from?

A

Entire network stopped working if the cable broke at any point

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9
Q

What topology uses a central connection box for all the computers on the network?

A

Star

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10
Q

What is it called if one cable breaks and all the computers could still communicate?

A

Fault tolerance

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11
Q

How the cables physically look is called _____.

A

Physical topology

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12
Q

How the signal travels electronically is called ____.

A

Logical topology

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13
Q

Any form of networking technology that combines a physical topology with a signaling topology is called ____.

A

Hybrid topology

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14
Q

A network where every computer connects to every other computer via two or more routes is called _____.

A

Mesh topology

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15
Q

A network where at least two machines have redundant connections is called _____.

A

Partially redundant meshed topology

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16
Q

A network where every computer connects directly to every other computer is called _____.

A

Fully meshed topology

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17
Q

What is a practical application of a topology and other critical technologies that provides a method to get data from one computer to another on a network?

A

Network technology

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18
Q

Cabling that uses copper wire wrapped up in some kind of protective sheathing is called __.

A

Copper cable

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19
Q

What are the two primary types of copper cabling used in the industry?

A
  1. Coaxial

2. Twisted pair

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20
Q

What type of cable contains a central conductor wire surrounded by an insulating material that is surrounded by a braided metal shield?

A

Coaxial cable

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21
Q

Coaxial cable shields data transmissions from ___.

A

Interference

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22
Q

Interference from one device to another, resulting in poor performance in the devices capabilities is called ___.

A

Electromagnetic interference (EMI)

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23
Q

What is a connector used for 10Base2 coaxial cable?

A

BNC connector

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24
Q

What is a screw-on connector used to terminate small-diameter coaxial cable such as RG-6 and RG-59?

A

F-connector

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25
Q

What type of coaxial cable is primarily for cable television rather than networking?

A

RG-59

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26
Q

What is the predominant coaxial cable type used today?

A

RG-6

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27
Q

What do you call a relative measure of the resistance of a coaxial cable?

A

Ohm rating

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28
Q

What describes a set of characteristics that define how much a cable resists the flow of electricity?

A

Impedance

29
Q

What do you call how long it takes the wire to get a full charge?

A

Capacitance

30
Q

What are the two types of twisted-pair cabling that are manufactured?

A
  1. Shielded

2. Unshielded

31
Q

What is electrical signal interference between two cables that are in close proximity to each other?

A

Crosstalk

32
Q

A cabling for networks composed of pairs of wires twisted around each other at specific intervals is called ___.

A

Shielded twisted pair (STP)

33
Q

What are the six types of shielded twisted pair cabling?

A
  1. F/UTP
  2. S/UTP
  3. SF/UTP
  4. S/FTP
  5. F/FTP
  6. U/FTP
34
Q

Cabling for networks that consists of twisted pairs of wires surrounded by a plastic jacket are called ____.

A

Unshielded twisted pair (UTP)

35
Q

What is a grade assigned to cable to help network installers get the right cable for the right network technology?

A

Category (Cat) rating

36
Q

What common Cat rating is the following?

Max frequency: 16 MHz
Max bandwidth: 16 Mbps

A

Cat 3

37
Q

What common Cat rating is the following?

Max frequency: 20 MHz
Max bandwidth: 20 Mbps

A

Cat 4

38
Q

What common Cat rating is the following?

Max frequency: 100 MHz
Max bandwidth: 100 Mbps

A

Cat 5

39
Q

What common Cat rating is the following?

Max frequency: 100 MHz
Max bandwidth: 1 Gbps

A

Cat 5e

40
Q

What common Cat rating is the following?

Max frequency: 250 MHz
Max bandwidth: 10 Gbps

A

Cat 6

41
Q

What common Cat rating is the following?

Max frequency: 500 MHz
Max bandwidth: 10 Gbps

A

Cat 6a

42
Q

What common Cat rating is the following?

Max frequency: 600 MHz
Max bandwidth: 10+ Gbps

A

Cat 7

43
Q

What common Cat rating is the following?

Max frequency: 1000 MHz
Max bandwidth: 40-100 Gbps

A

Cat 7a

44
Q

What common Cat rating is the following?

Max frequency: 2000 MHz
Max bandwidth: 25-40 Gbps

A

Cat 8

45
Q

What Cat ratings are recognized by the Telecommunications Industry Association(TIA)?

A
  1. Cat 3
  2. Cat 5e
  3. Cat 6
  4. Cat 6a
46
Q

The maximum amount of data that goes through a cable per second is called the ____.

A

Bandwidth

47
Q

What is a four-pair connector used on the end of network cable, also referred to as an RJ-45 connector?

A

8 position 8 contact (8P8C)

48
Q

What type of cabling transmits light rather than electricity, making it attractive for both high-EMI areas and long-distance transmissions?

A

Fiber-optic cabling

49
Q

What are the four components that make up fiber-optic cabling?

A
  1. Glass fiber(core)
  2. Cladding
  3. Buffer
  4. Insulating jacket
50
Q

What is the most common fiber-optic cabling size?

A

62.5/125 micrometers

51
Q

What is a fiber-optic cable that uses LEDs?

A

Multimode fiber(MMF)

52
Q

A light distortion problem unique to multimode fiber-optic cable is called ____.

A

Modal distortion

53
Q

Ratings developed by Underwriters Laboratories(UL) and the National Electrical Code(NEC) to define the risk of network cables burning and creating noxious fumes and smoke, are called ___.

A

Fire ratings

54
Q

The two most common fire ratings are ___ and ___.

A
  1. PVC

2. Plenum

55
Q

A fire rating for a type of cable that has no significant fire protection is called ___.

A

Polyvinyl chloride(PVC)

56
Q

A network cable type that resists burning and does not give off excessive smoke or noxious fumes when burned is called ___.

A

Plenum-rated cable

57
Q

What is a fire rating that designated the proper cabling to use for vertical runs between floors of a building?

A

Riser

58
Q

The institute that defines industry-wide standards that promote the use and implementation of technology is the ___.

A

Institute of Electrical and Electronics Engineers(IEEE)

59
Q

Which of the following topologies requires termination?

A. Star
B. Bus
C. Mesh
D. Ring

A

B. Bus

60
Q

Star-bud is an example of a ____ topology.

A

Hybrid

61
Q

Of the topologies listed, which one is the most fault-tolerant?

A. Point-to-point
B. Bus
C. Star
D. Ring

A

C. Star

62
Q

What term is used to describe the interconnectivity of network components?

A

Topology

63
Q

Coaxial cables all have an ___ rating.

A

Ohm

64
Q

Which of the following is a type of coaxial cable?

A. RJ-45
B. RG-59
C. BNC
D. Barrel

A

B. RG-59

65
Q

Which network topology connected nodes with a ring of cable?

A

Ring

66
Q

Which network topology is most commonly seen only in wireless networks?

A

Mesh

67
Q

Which of the following is a duplex fiber-optic connection?

A. LC
B. RJ-45
C. ST
D. SC

A

A. LC

68
Q

What is the most common category of UTP used in new cabling installations?

A

Cat 5e

CompTIA Network+ (N10-007) (3 decks)

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