Question 1

Signals produced on a line that is the sum or difference of the signals that created it is:

Accepted Answer

A) thermal noise 
B) intermodulation noise 
C) crosstalk 
D) impulse noise 
A) thermal noise 
B) intermodulation noise 
C) crosstalk 
D) impulse noise A

Question 2

The four categories of noise are: thermal noise,intermodulation,impulse noise,and __________.

Accepted Answer

crosstalk

Question 3

The bandwidth of a signal is:

Accepted Answer

A) the width of the spectrum 
B) the average of the frequencies 
C) the range of frequencies in the signal 
D) the minimum amplitude of the signal 
A) the width of the spectrum 
B) the average of the frequencies 
C) the range of frequencies in the signal 
D) the minimum amplitude of the signal A

Question 4

________ is a measure of the position of the waveform relative to a given moment of time within the period of a signal.

Accepted Answer

The answer of ________ is a measure of the position...

Question 5

Given a resolution of 320 pixels x 240 pixels,1 byte of color information per pixel and a transmission rate of 30 frames per second,calculate the bandwidth necessary for this signal:

Accepted Answer

A) 18.4 Mbps 
B) 2.3 Mbps 
C) 18.4 Kbps 
D) 6 Mbps 
A) 18.4 Mbps 
B) 2.3 Mbps 
C) 18.4 Kbps 
D) 6 Mbps

Question 6

The loudness of a signal is measured by its amplitude.

Accepted Answer

A) True 
 B)False

Question 7

The _________ is the number of times the signal makes a complete cycle within a given time frame.

Accepted Answer

The answer of The _________ is the number of times...

Question 8

Data can exist in either analog or _________ form.

Accepted Answer

The answer of Data can exist in either analog or...

Question 9

Refraction refers to the bending of the signal.

Accepted Answer

A) True 
 B)False

Question 10

Electromagnetic signals:

Accepted Answer

A) are used only for optics 
B) are used for analog and digital signals 
C) are used for digital signals only 
D) are used for analog signals only 
A) are used only for optics 
B) are used for analog and digital signals 
C) are used for digital signals only 
D) are used for analog signals only

Question 11

Attenuation is the reduction in signal strength as the signal propagates down the transmission path.

Accepted Answer

A) True 
 B)False

Question 12

Atmospheric absorption occurs because of:

Accepted Answer

A) the distance traversed in atmospheric transmission 
B) the water and oxygen content 
C) pollution and carbon content 
D) nitrogen content 
A) the distance traversed in atmospheric transmission 
B) the water and oxygen content 
C) pollution and carbon content 
D) nitrogen content

Question 13

Delay distortion is due to:

Accepted Answer

A) wait times between keyboard entry and actual transmission of data 
B) portions of the signal arriving at the destination at different times 
C) varying levels of signal strength 
D) signals generated by internetworking equipment 
A) wait times between keyboard entry and actual transmission of data 
B) portions of the signal arriving at the destination at different times 
C) varying levels of signal strength 
D) signals generated by internetworking equipment

Question 14

A(n)_________ signal is one in which the signal intensity maintains a constant level for some period of time and then changes to another constant level.

Accepted Answer

The answer of A(n)_________ signal is one in which the...

Question 15

The various forms of noise include thermal noise,intermodulation noise,crosstalk,and impulse noise.

Accepted Answer

A) True 
 B)False

Question 16

The _________ of a signal is defined as the distance between two points of corresponding phase of two consecutive cycles,such as maximum amplitudes or where the wave crosses zero.

Accepted Answer

The answer of The _________ of a signal is defined...

Question 17

Referring to Shannon's equation,in order to increase the data rate of a signal,we need only increase the bandwidth.

Accepted Answer

A) True 
 B)False

Question 18

_________ is the unwanted coupling between signal paths.

Accepted Answer

A) Thermal noise 
B) Intermodulation noise 
C) Crosstalk 
D) Impulse noise 
A) Thermal noise 
B) Intermodulation noise 
C) Crosstalk 
D) Impulse noise

Question 19

A sine wave is a periodic signal that:

Accepted Answer

A) has equal phase,frequency and amplitude 
B) can be measured in terms of its amplitude,frequency and phase 
C) has a maximum peak amplitude equal to its frequency 
D) can be either digital or analog 
A) has equal phase,frequency and amplitude 
B) can be measured in terms of its amplitude,frequency and phase 
C) has a maximum peak amplitude equal to its frequency 
D) can be either digital or analog

Question 20

The __________ is the maximum height of the wave above or below a given reference point.

Accepted Answer

The answer of The __________ is the maximum height of...

Signals produced on a line that is the sum or difference of the signals that created it is:

The four categories of noise are: thermal noise,intermodulation,impulse noise,and __________.

The bandwidth of a signal is:

________ is a measure of the position of the waveform relative to a given moment of time within the period of a signal.

Given a resolution of 320 pixels x 240 pixels,1 byte of color information per pixel and a transmission rate of 30 frames per second,calculate the bandwidth necessary for this signal:

The loudness of a signal is measured by its amplitude.

The _________ is the number of times the signal makes a complete cycle within a given time frame.

Data can exist in either analog or _________ form.

Refraction refers to the bending of the signal.

Electromagnetic signals:

Attenuation is the reduction in signal strength as the signal propagates down the transmission path.

Atmospheric absorption occurs because of:

Delay distortion is due to:

A(n)_________ signal is one in which the signal intensity maintains a constant level for some period of time and then changes to another constant level.

The various forms of noise include thermal noise,intermodulation noise,crosstalk,and impulse noise.

The _________ of a signal is defined as the distance between two points of corresponding phase of two consecutive cycles,such as maximum amplitudes or where the wave crosses zero.

Referring to Shannon's equation,in order to increase the data rate of a signal,we need only increase the bandwidth.

_________ is the unwanted coupling between signal paths.

A sine wave is a periodic signal that:

The __________ is the maximum height of the wave above or below a given reference point.

Introduction

Business Information

Distributed Data Processing

Data Communication Fundamentals

Data Link Control and Multiplexing

The Internet

Tcp / Ip

Client Server, intranet, and Cloud Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Infrastructure

Ethernet, switches, and Virtual Lans

Wireless Lans

Wan Technology and Protocol

Wan Services

Wireless Lans

Computer and Network Security Threats

Computer and Network Security Techniques

Filters

Exam 4: Data Transmission

Signals produced on a line that is the sum or difference of the signals that created it is:

The four categories of noise are: thermal noise,intermodulation,impulse noise,and __________.

The bandwidth of a signal is:

________ is a measure of the position of the waveform relative to a given moment of time within the period of a signal.

Given a resolution of 320 pixels x 240 pixels,1 byte of color information per pixel and a transmission rate of 30 frames per second,calculate the bandwidth necessary for this signal:

The loudness of a signal is measured by its amplitude.

The _________ is the number of times the signal makes a complete cycle within a given time frame.

Data can exist in either analog or _________ form.

Refraction refers to the bending of the signal.

Electromagnetic signals:

Attenuation is the reduction in signal strength as the signal propagates down the transmission path.

Atmospheric absorption occurs because of:

Delay distortion is due to:

A(n)_________ signal is one in which the signal intensity maintains a constant level for some period of time and then changes to another constant level.

The various forms of noise include thermal noise,intermodulation noise,crosstalk,and impulse noise.

The _________ of a signal is defined as the distance between two points of corresponding phase of two consecutive cycles,such as maximum amplitudes or where the wave crosses zero.

Referring to Shannon's equation,in order to increase the data rate of a signal,we need only increase the bandwidth.

_________ is the unwanted coupling between signal paths.

A sine wave is a periodic signal that:

The __________ is the maximum height of the wave above or below a given reference point.

Introduction

Business Information

Distributed Data Processing

Data Communication Fundamentals

Data Link Control and Multiplexing

The Internet

Tcp / Ip

Client Server, intranet, and Cloud Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Infrastructure

Ethernet, switches, and Virtual Lans

Wireless Lans

Wan Technology and Protocol

Wan Services

Wireless Lans

Computer and Network Security Threats

Computer and Network Security Techniques

Filters