Question 1

____________________ is the opposite of attenuation.

Accepted Answer

The answer of ____________________ is the opposite of attenuation....

Question 2

Amplitude shift keying is susceptible to sudden noise impulses such as the static charges created by a lightning storm.

Accepted Answer

A) True 
 B)False

Question 3

____________________ are the electric or electromagnetic impulses used to encode and transmit data.

Accepted Answer

The answer of ____________________ are the electric or electromagnetic impulses...

Question 4

The bps of the data transmitted using quadrature amplitude modulation is four times the baud rate.

Accepted Answer

A) True 
 B)False

Question 5

In Unicode, the letter "r" is represented by the binary value of 0000 0000 0101 0100 0010.

Accepted Answer

A) True 
 B)False

Question 6

When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.

Accepted Answer

A) amplification 
B) friction 
C) decibel 
D) attenuation 
A) amplification 
B) friction 
C) decibel 
D) attenuation

Question 7

The ASCII character set exists in a few different forms, including a ____ version that allows for 128 possible combinations of textual symbols.

Accepted Answer

A) 3-bit 
B) 5-bit 
C) 6-bit 
D) 7-bit 
A) 3-bit 
B) 5-bit 
C) 6-bit 
D) 7-bit

Question 8

If you want to transfer data from one point to another, either via a physical wire or through radio waves, the data has to be converted into a(n) ____.

Accepted Answer

A) hertz 
B) Unicode 
C) signal 
D) byte 
A) hertz 
B) Unicode 
C) signal 
D) byte

Question 9

With NRZI, the receiver has to check the voltage level for each bit to determine whether the bit is a 0 or a 1.

Accepted Answer

A) True 
 B)False

Question 10

____ are entities that convey meaning within a computer or computer system.

Accepted Answer

A) Signals 
B) Data 
C) Impulse 
D) EMI 
A) Signals 
B) Data 
C) Impulse 
D) EMI

Question 11

____________________ is a phenomenon that occurs when the frequencies of two or more signals mix together and create new frequencies.

Accepted Answer

Intermodul

Question 12

____________________ is a relative measure of signal loss or gain and is used to measure the logarithmic loss or gain of a signal.

Accepted Answer

Decibel (d

Question 13

The Unicode character set uses ______ bit characters.

Accepted Answer

A) 4 
B) 8 
C) 16 
D) 32 
A) 4 
B) 8 
C) 16 
D) 32

Question 14

The primary advantage of a bipolar scheme is that when all the voltages are added together after a long transmission, there should be a total voltage of ____.

Accepted Answer

A) -2 
B) -1 
C) 0 
D) 1 
A) -2 
B) -1 
C) 0 
D) 1

Question 15

What are the four possible data-to-signal conversion combinations?

Accepted Answer

Data and signals are two of the basic bu

Question 16

The amplitude of a signal can be expressed as volts, ____, or watts.

Accepted Answer

A) hertz 
B) amps 
C) bits 
D) bytes 
A) hertz 
B) amps 
C) bits 
D) bytes

Question 17

The ____________________ digital encoding scheme transmits 1s as zero voltages and 0s as positive voltages.

Accepted Answer

nonreturn to zero-le

Question 18

What are common examples of signals?

Accepted Answer

Common examples of signals include:
* A

Question 19

The ____________________ encoding scheme takes 4 bits of data, converts the 4 bits into a unique 5-bit sequence, and encodes the 5 bits using NRZI.

Accepted Answer

The answer of The ____________________ encoding scheme takes 4 bits...

Question 20

____________________ is an encoding technique that provides a unique coding value for every character in every language, no matter what the platform.

Accepted Answer

The answer of ____________________ is an encoding technique that provides...

____________________ is the opposite of attenuation.

Amplitude shift keying is susceptible to sudden noise impulses such as the static charges created by a lightning storm.

____________________ are the electric or electromagnetic impulses used to encode and transmit data.

The bps of the data transmitted using quadrature amplitude modulation is four times the baud rate.

In Unicode, the letter "r" is represented by the binary value of 0000 0000 0101 0100 0010.

When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.

The ASCII character set exists in a few different forms, including a ____ version that allows for 128 possible combinations of textual symbols.

If you want to transfer data from one point to another, either via a physical wire or through radio waves, the data has to be converted into a(n) ____.

With NRZI, the receiver has to check the voltage level for each bit to determine whether the bit is a 0 or a 1.

____ are entities that convey meaning within a computer or computer system.

____________________ is a phenomenon that occurs when the frequencies of two or more signals mix together and create new frequencies.

____________________ is a relative measure of signal loss or gain and is used to measure the logarithmic loss or gain of a signal.

The Unicode character set uses ______ bit characters.

The primary advantage of a bipolar scheme is that when all the voltages are added together after a long transmission, there should be a total voltage of ____.

What are the four possible data-to-signal conversion combinations?

The amplitude of a signal can be expressed as volts, ____, or watts.

The ____________________ digital encoding scheme transmits 1s as zero voltages and 0s as positive voltages.

What are common examples of signals?

The ____________________ encoding scheme takes 4 bits of data, converts the 4 bits into a unique 5-bit sequence, and encodes the 5 bits using NRZI.

____________________ is an encoding technique that provides a unique coding value for every character in every language, no matter what the platform.

Introduction to Computer Networks and Data Communications

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Security

Network Design and Management

Filters

Exam 2: Fundamentals of Data and Signals

____________________ is the opposite of attenuation.

Amplitude shift keying is susceptible to sudden noise impulses such as the static charges created by a lightning storm.

____________________ are the electric or electromagnetic impulses used to encode and transmit data.

The bps of the data transmitted using quadrature amplitude modulation is four times the baud rate.

In Unicode, the letter "r" is represented by the binary value of 0000 0000 0101 0100 0010.

When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.

The ASCII character set exists in a few different forms, including a ____ version that allows for 128 possible combinations of textual symbols.

If you want to transfer data from one point to another, either via a physical wire or through radio waves, the data has to be converted into a(n) ____.

With NRZI, the receiver has to check the voltage level for each bit to determine whether the bit is a 0 or a 1.

____ are entities that convey meaning within a computer or computer system.

____________________ is a phenomenon that occurs when the frequencies of two or more signals mix together and create new frequencies.

____________________ is a relative measure of signal loss or gain and is used to measure the logarithmic loss or gain of a signal.

The Unicode character set uses ______ bit characters.

The primary advantage of a bipolar scheme is that when all the voltages are added together after a long transmission, there should be a total voltage of ____.

What are the four possible data-to-signal conversion combinations?

The amplitude of a signal can be expressed as volts, ____, or watts.

The ____________________ digital encoding scheme transmits 1s as zero voltages and 0s as positive voltages.

What are common examples of signals?

The ____________________ encoding scheme takes 4 bits of data, converts the 4 bits into a unique 5-bit sequence, and encodes the 5 bits using NRZI.

____________________ is an encoding technique that provides a unique coding value for every character in every language, no matter what the platform.

Introduction to Computer Networks and Data Communications

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Security

Network Design and Management

Filters