Deck 8: Physical Transmission Media

Question 1

The unintended modification of at least one signal component which makes the received signal different from that originally transmitted is known as distortion.

Answer 1

True

Question 2

Enhanced CAT5 is a higher-grade version of CAT wiring that contains high-quality copper, offers a high twist ratio, and uses advanced methods for reducing crosstalk.

Answer 2

True

Question 3

A form of cable that contains one or several glass fibers in its core is known as fiber optic cable.

Answer 3

True

Question 4

The process of removing unwanted parts of a signal is known as fusion splicing.

Question 5

The combined effect of a circuit's inductance and capacitance is known as impedance.

Question 6

A type of noise caused by sudden spikes in electromagnetic activity is known as latency.

Question 7

The delay between the transmission and reception of a data bit is known as impulse noise.

Question 8

The term enterprise wide refers to the scope of a network that spans an entire organization.

Question 9

The extent to which a signal's strength weakens over a distance is known as return loss.

Question 10

A relatively short section of copper or fiber optic cabling, with connectors on both ends is referred to as a patch cable.

Question 11

Level 1 is a cable that consists of four insulated copper wires surrounded by sheath. _________________________

Question 12

The extent to which a signal's strength weakens over a distance is known as loss. _________________________

Question 13

A relatively short section of copper or fiber optic cabling, with connectors on both ends is referred to as a(n) patch panel. _________________________

Question 14

The splicing of multiple fiber optic strands at once, whether by fusion or mechanical means, is referred to as mass splicing. _________________________

Question 15

Optical splicing refers to the extent to which a light signal weakens over distance on a fiber optic network. _________________________

Question 16

A wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted, is referred to as a(n) patch cable. _________________________

Question 17

A handheld device that ensures that cable lengths are not excessive and measures the distance to a cable fault, is known as a(n) plenum. _________________________

Question 18

Mechanical splicing refers to a method of splicing fiber optic cable in which the two ends of the cable are mechanically fixed in position within a tube so that they form one continuous communications channel. _________________________

Question 19

The individual wire terminations within a connector are known as pinouts. _________________________

Question 20

Sheath refers to the ease with which a system or network can be extended. _________________________

Question 21

Which of the following refers to the unintended modification of at least one signal component, that makes the received signal different than that originally transmitted?

A) Distortion
B) CAT5
C) Filtering
D) Impedance

Question 22

Which of the following contains one or several glass fibers in its core?

A) Patch panel
B) Fiber optic cable
C) Patch panel.
D) Patch cord

Question 23

The process of removing unwanted parts of a signal is known as:

A) Splicing
B) Fusion splicing
C) Filtering
D) Mass splicing

Question 24

Which of the following is the combined effect of a circuit's inductance and capacitance?

A) Latency
B) Impulse noise
C) Impedance
D) Distortion

Question 25

Which of the following is a type of noise that is caused by the mixing of one signal with another as a result of their frequencies infringing on each other?

A) Latency
B) Impulse noise
C) Near-end crosstalk
D) Intermodulation noise

Question 26

Which of the following is caused by sudden spikes in electromagnetic activity?

A) Impulse noise
B) Latency
C) Intermodulation noise
D) Impedance

Question 27

Which of the following refers to the delay between the transmission and reception of a data bit?

A) Impedance
B) Latency
C) Impulse
D) Intermodulation noise

Question 28

Which of the following consists of four insulated copper wires surrounded by a sheath?

A) Level 1
B) Loss
C) Mass splicing
D) Multimode fiber

Question 29

The extent to which a signal's strength weakens over a distance is referred to as:

A) Mechanical splicing
B) Mass splicing
C) Loss
D) Crosstalk

Question 30

Which of the following refers to the splicing of multiple fiber optic strands at once?

A) Mechanical splicing
B) Mass splicing
C) Fusion splicing
D) None of the above

Question 31

A method of splicing fiber optic cable in which the two strands of each end of the cable are mechanically fixed in position within a tube so that they form one continuous communications channel, is called:

A) Mass splicing
B) Mechanical splicing
C) Fusion splicing
D) None of the above

Question 32

Which of the following is a type of fiber optic cable that contains a core, with a larger diameter, over which many pulses of light generated by a light emitting diode travel at different angles?

A) Multimode fiber
B) Patch cable
C) Patch cord
D) Sheath

Question 33

Which of the following is a telecommunications wiring standard?

A) NEC
B) NeXT
C) RJ-45
D) CAT5

Question 34

Which of the following refers to the extent to which a light signal weakens over distance on a fiber optic network?

A) Patch cable
B) Patch panel
C) Loss
D) Optical loss

Question 35

A relatively short section of copper or fiber optic cabling, with connectors at both ends is referred to as:

A) Patch cable
B) Multimode fiber
C) Patch panel
D) Sheath

Question 36

Which of the following is a wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted?

A) Patch cord
B) Patch cable
C) Cable
D) Patch panel

Question 37

Which of the following is a handheld device that not only checks for cable continuity, but also ensures that the cable length is not excessive?

A) Sheath
B) SNR
C) RJ-45
D) Performance tester

Question 38

Which of the following is the individual wire terminations within a connector?

A) Plenum
B) Pinout
C) Quad wire
D) Sheath

Question 39

The area below the subfloor in a building is known as:

A) Pinout
B) Plenum
C) Sheath
D) Segment

Question 40

The difference in time between a packet's transmission and its reception over a specific route is known as:

A) Shielding
B) Scalability
C) Propagation delay
D) Impedance

Question 41

Which of the following represents the loss of signal strength due to the reflection of prior signals along the same communications channel?

A) Return loss
B) Risers
C) Delay distortion
D) Phase distortion

Question 42

The backbone cabling that provides vertical connections between floors of a building is known as:

A) Plenum
B) Riser
C) RJ-45
D) Shielding

Question 43

Which of the following is the standard connector used for modern twisted-pair cables such as CAT5?

A) Shielding
B) Single-mode fiber
C) RJ-45
D) CAT5e

Question 44

The length of time it takes for a packet to go from sender to receiver, then back from receiver to sender is referred to as:

A) STP
B) RTT
C) SNR
D) None of the above

Question 45

Which of the following refers to the ease with which a system or network can be extended?

A) Scalability
B) Shielding
C) Propagation delay
D) Plenum

Question 46

Which of the following refers to the distance a network may carry a signal before it must be repeated or amplified?

A) Scalability
B) Shielding
C) Segment
D) Plenum

Question 47

Which of the following represents a type of cable containing twisted wire pairs that are individually insulated?

A) Plenum
B) Patch panel
C) Shielded twisted pair
D) Patch cable

Question 48

The outer cover or jacket of a cable is referred to as:

A) Sheath
B) Plenum
C) Impedance
D) Patch cable

Question 49

Which of the following refers to a metallic substance that surrounds an insulated copper wire in shielded twisted-pair cabling?

A) Sheath
B) Patch cable
C) Shielding
D) Patch panel

Question 50

The relationship between the strength of a signal and noise affecting the signal is known as:

A) Signal-to-noise ratio
B) Shielding
C) Filtering
D) Latency

Question 51

Which of the following is a type of interference that occurs when signals from adjacent cables interfere with another cable's transmission?

A) Baseline
B) Distortion
C) Latency
D) Alien crosstalk

Question 52

Which of the following refers to the distortion of a signal that results from different signal components experiencing different levels of attenuation between the signal's sender and receiver.

A) Alien crosstalk
B) Attenuation distortion
C) Baseline
D) Latency

Question 53

Which of the following is a device that filters a signal so as to remove frequencies higher and lower than the range of frequencies known to carry data?

A) Risers
B) Baseline
C) Bandpass filter
D) Band radius

Question 54

Which of the following is a record of how well a system or network operates under normal conditions?

A) Attenuation distortion
B) Bandpass filter
C) Baseline
D) Bend radius

Question 55

The radius of the tightest arc into which you can loop a cable before you cause data transmission errors, is referred to as:

A) Bend radius
B) Level 1
C) Plenum
D) Sheath

Question 56

Does the term distortion refer to the delay between the transmission and reception of a data bit?

Question 57

Does the term filtering refer to the process of removing unwanted parts of a signal?

Question 58

Does the term impedance refer to a type of noise that is caused by sudden spikes in electromagnetic activity?

Question 59

Is it correct to say that optical loss refers to the extent to which a light signal weakens over distance on a fiber optic network?

Question 60

Can you use the term patch cable to describe a relatively short section of copper or fiber optic cabling with connectors on both ends?

Question 61

Is it correct to say that the term patch panel refers to a wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted?

Question 62

Does the term plenum refer to the distance a network may carry a signal before it must be repeated or amplified?

Question 63

Does the term pinout refer to the individual wire termination within a connector?

Question 64

Is it correct to say that the term return loss refers to the extent to which a light signal weakens over distance on a fiber optic network?

Question 65

Does the term sheath refer to the backbone cabling that provides vertical connections between floors of a building?

Question 66

A form of cable that contains one or several glass fibers in its core is referred to as ____________________.

Question 67

____________________ is the process of removing unwanted parts of a signal.

Question 68

____________________ refers to a method of splicing fiber optic cables in which the application of heat melts and fuses two aligned fiber strands.

Question 69

The combined effects of a circuit's inductance and capacitance is known as ____________________.

Question 70

A type of noise caused by sudden spikes in electromagnetic activity is called ____________________.

Question 71

____________________ refers to a type of noise that is caused by the mixing of one signal and another due to their frequencies infringing on each other.

Question 72

The delay between the transmission and reception of a data bit is referred to as ____________________.

Question 73

____________________ refers to a type of crosstalk that occurs between two copper wires within a twisted pair.

Question 74

The extent to which a light signal weakens over distance on a fiber optic network is referred to as ____________________.

Question 75

____________________ refers to a relatively short section of copper or fiber optic cabling, with connectors on both ends.

Question 76

Match each statement below with the correct item

-A cable consisting of four insulated copper wires surrounded by a sheath.

A)Level 1
B)Impedance
C)Mass splicing
D)Impulse noise
E)Patch panel
F)Loss
G)Filtering
H)Distortion
I)Latency
J)Patch cable

Question 77

Match each statement below with the correct item

-The extent to which a signal's strength weakens over a distance.

A)Level 2
B)Impedance
C)Mass splicing
D)Impulse noise
E)Patch panel
F)Loss
G)Filtering
H)Distortion
I)Latency
J)Patch cable

Question 78

Match each statement below with the correct item

-The splicing of multiple fiber optic strands at once.

A)Level 3
B)Impedance
C)Mass splicing
D)Impulse noise
E)Patch panel
F)Loss
G)Filtering
H)Distortion
I)Latency
J)Patch cable

Question 79

Match each statement below with the correct item

-A relatively short section of copper or fiber optic cabling, with connectors on both ends.

A)Level 4
B)Impedance
C)Mass splicing
D)Impulse noise
E)Patch panel
F)Loss
G)Filtering
H)Distortion
I)Latency
J)Patch cable

Question 80

Match each statement below with the correct item

-A wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted.

A)Level 5
B)Impedance
C)Mass splicing
D)Impulse noise
E)Patch panel
F)Loss
G)Filtering
H)Distortion
I)Latency
J)Patch cable