Cabling and Topology

Question 1

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

Answer 1

Network topology

Question 2

Ways of connecting computers together are called ____.

Answer 2

Topologies

Question 3

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

Answer 3

Bus and ring

Question 4

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

Answer 4

Bus

Question 5

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

Answer 5

Ring

Question 6

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?

Answer 6

Bus

Question 7

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

Answer 7

Ring

Question 8

What problem did bud and ring topology networks suffer from?

Answer 8

Entire network stopped working if the cable broke at any point

Question 9

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

Answer 9

Star

Question 10

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

Answer 10

Fault tolerance

Question 11

How the cables physically look is called _____.

Answer 11

Physical topology

Question 12

How the signal travels electronically is called ____.

Answer 12

Logical topology

Question 13

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

Answer 13

Hybrid topology

Question 14

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

Answer 14

Mesh topology

Question 15

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

Answer 15

Partially redundant meshed topology

Question 16

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

Answer 16

Fully meshed topology

Question 17

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?

Answer 17

Network technology

Question 18

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

Answer 18

Copper cable

Question 19

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

Answer 19

1. Coaxial

2. Twisted pair

Question 20

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

Answer 20

Coaxial cable

Question 21

Coaxial cable shields data transmissions from ___.

Answer 21

Interference

Question 22

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

Answer 22

Electromagnetic interference (EMI)

Question 23

What is a connector used for 10Base2 coaxial cable?

Answer 23

BNC connector

Question 24

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

Answer 24

F-connector

Question 25

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

Answer 25

RG-59

Question 26

What is the predominant coaxial cable type used today?

Answer 26

RG-6

Question 27

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

Answer 27

Ohm rating

Question 28

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

Answer 28

Impedance

Question 29

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

Answer 29

Capacitance

Question 30

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

Answer 30

1. Shielded | 2. Unshielded

Question 31

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

Answer 31

Crosstalk

Question 32

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

Answer 32

Shielded twisted pair (STP)

Question 33

What are the six types of shielded twisted pair cabling?

Answer 33

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

Question 34

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

Answer 34

Unshielded twisted pair (UTP)

Question 35

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

Answer 35

Category (Cat) rating

Question 36

What common Cat rating is the following? Max frequency: 16 MHz Max bandwidth: 16 Mbps

Answer 36

Cat 3

Question 37

What common Cat rating is the following? Max frequency: 20 MHz Max bandwidth: 20 Mbps

Answer 37

Cat 4

Question 38

What common Cat rating is the following? Max frequency: 100 MHz Max bandwidth: 100 Mbps

Answer 38

Cat 5

Question 39

What common Cat rating is the following? Max frequency: 100 MHz Max bandwidth: 1 Gbps

Answer 39

Cat 5e

Question 40

What common Cat rating is the following? Max frequency: 250 MHz Max bandwidth: 10 Gbps

Answer 40

Cat 6

Question 41

What common Cat rating is the following? Max frequency: 500 MHz Max bandwidth: 10 Gbps

Answer 41

Cat 6a

Question 42

What common Cat rating is the following? Max frequency: 600 MHz Max bandwidth: 10+ Gbps

Answer 42

Cat 7

Question 43

What common Cat rating is the following? Max frequency: 1000 MHz Max bandwidth: 40-100 Gbps

Answer 43

Cat 7a

Question 44

What common Cat rating is the following? Max frequency: 2000 MHz Max bandwidth: 25-40 Gbps

Answer 44

Cat 8

Question 45

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

Answer 45

1. Cat 3 2. Cat 5e 3. Cat 6 4. Cat 6a

Question 46

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

Answer 46

Bandwidth

Question 47

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

Answer 47

8 position 8 contact (8P8C)

Question 48

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

Answer 48

Fiber-optic cabling

Question 49

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

Answer 49

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

Question 50

What is the most common fiber-optic cabling size?

Answer 50

62.5/125 micrometers

Question 51

What is a fiber-optic cable that uses LEDs?

Answer 51

Multimode fiber(MMF)

Question 52

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

Answer 52

Modal distortion

Question 53

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 ___.

Answer 53

Fire ratings

Question 54

The two most common fire ratings are ___ and ___.

Answer 54

1. PVC | 2. Plenum

Question 55

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

Answer 55

Polyvinyl chloride(PVC)

Question 56

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

Answer 56

Plenum-rated cable

Question 57

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

Answer 57

Riser

Question 58

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

Answer 58

Institute of Electrical and Electronics Engineers(IEEE)

Question 59

Which of the following topologies requires termination? A. Star B. Bus C. Mesh D. Ring

Answer 59

B. Bus

Question 60

Star-bud is an example of a ____ topology.

Answer 60

Hybrid

Question 61

Of the topologies listed, which one is the most fault-tolerant? A. Point-to-point B. Bus C. Star D. Ring

Answer 61

C. Star

Question 62

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

Answer 62

Topology

Question 63

Coaxial cables all have an ___ rating.

Answer 63

Ohm

Question 64

Which of the following is a type of coaxial cable? A. RJ-45 B. RG-59 C. BNC D. Barrel

Answer 64

B. RG-59

Question 65

Which network topology connected nodes with a ring of cable?

Answer 65

Ring

Question 66

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

Answer 66

Mesh

Question 67

Which of the following is a duplex fiber-optic connection? A. LC B. RJ-45 C. ST D. SC

Answer 67

A. LC

Question 68

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

Answer 68

Cat 5e