Question 1

With ____ parity, the sender sets the parity bit to 0 if the count of 1-valued data bits in the character is odd.

Accepted Answer

A)  ​even 
B)  ​odd 
C)  ​block 
D)  ​check 
A)  ​even 
B)  ​odd 
C)  ​block 
D)  ​check B

Question 2

​____ cable uses fibers that vary continuously in diameter from center to edge.

Accepted Answer

A)  ​coaxial 
B)  ​twisted-pair cable 
C)  ​single mode fiber optic 
D)  ​multimode fiber optic 
A)  ​coaxial 
B)  ​twisted-pair cable 
C)  ​single mode fiber optic 
D)  ​multimode fiber optic C

Question 3

____ mode uses a single shared channel, and each node takes turns using the transmission line to transmit and receive.

Accepted Answer

A)  ​Half-duplex 
B)  ​Full-duplex 
C)  Half-simplex 
D)  Full-simplex 
A)  ​Half-duplex 
B)  ​Full-duplex 
C)  Half-simplex 
D)  Full-simplex A

Question 4

​Amplitude modulation is sometimes called ____.

Accepted Answer

A)  ​frequency-shift keying 
B)  ​amplitude-shift keying 
C)  ​block-shift keying 
D)  ​break-shift keying 
A)  ​frequency-shift keying 
B)  ​amplitude-shift keying 
C)  ​block-shift keying 
D)  ​break-shift keying

Question 5

​____ is a technique for embedding multiple bit values in a single wave characteristic, such as frequency or amplitude.

Accepted Answer

A)  ​Polymorphic coding 
B)  ​Unilateral coding 
C)  ​Multilevel coding 
D)  ​Dynamic coding 
A)  ​Polymorphic coding 
B)  ​Unilateral coding 
C)  ​Multilevel coding 
D)  ​Dynamic coding

Question 6

​____________________ transmission is more complex than wired transmission because it incorporates more sophisticated error detection/correction and security methods.

Accepted Answer

The answer of ​____________________ transmission is more complex than wired...

Question 7

​What are the three characteristics of sine waves that can be manipulated to represent data?

Accepted Answer

Three characteristics of a sin

Question 8

A(n) ____________________ is a set of rules and conventions for communication.

Accepted Answer

communicat

Question 9

​The term ____ describes the maximum number of bits or bytes per second that the channel can carry.

Accepted Answer

A)  ​minimum data transfer rate 
B)  ​overhead data transfer rate 
C)  ​net data transfer rate 
D)  ​raw data transfer rate 
A)  ​minimum data transfer rate 
B)  ​overhead data transfer rate 
C)  ​net data transfer rate 
D)  ​raw data transfer rate

Question 10

​____________________ cable contains a single copper conductor surrounded by a thick plastic insulator, a metallic shield, and a tough plastic outer wrapping.

Accepted Answer

The answer of ​____________________ cable contains a single copper conductor...

Question 11

​____________________ distortion creates echoes that blur or smear signal content, increasing the error rate

Accepted Answer

The answer of ​____________________ distortion creates echoes that blur or...

Question 12

​In a communication channel, ____ refers to unwanted signal components added to the data signal that might be interpreted incorrectly as data.

Accepted Answer

A)  ​signal 
B)  ​noise 
C)  ​overhead 
D)  ​bandwidth 
A)  ​signal 
B)  ​noise 
C)  ​overhead 
D)  ​bandwidth

Question 13

____ are used by devices such as general-purpose servers that can initiate and respond to data transfer requests.

Accepted Answer

A)  ​FBAs 
B)  ​HCAs 
C)  ​HBAs 
D)  ​FCAs 
A)  ​FBAs 
B)  ​HCAs 
C)  ​HBAs 
D)  ​FCAs

Question 14

​A parallel channel's transmits individual bits over separate wires, fibers, or frequencies.

Accepted Answer

A) True 
 B)False

Question 15

The ____________________ of a sine wave is measured in degrees, with 0° representing the beginning of the wave's cycle and 360° representing the end.

Accepted Answer

The answer of The ____________________ of a sine wave is...

Question 16

​The term ____ describes transmissions using frequencies between 50 Hz and 1 terahertz (THz).

Accepted Answer

A)  ​radio frequency 
B)  ​transmission frequency 
C)  ​electromagnetic frequency 
D)  ​broad frequency 
A)  ​radio frequency 
B)  ​transmission frequency 
C)  ​electromagnetic frequency 
D)  ​broad frequency

Question 17

​A(n) ____ is a data transmission event or group of events representing a bit or group of bits.

Accepted Answer

A)  ​signal 
B)  ​modulation 
C)  ​motion 
D)  ​indicator 
A)  ​signal 
B)  ​modulation 
C)  ​motion 
D)  ​indicator

Question 18

____ is the most widely used error-detection method.

Accepted Answer

A)  ​Hamming code 
B)  ​SHA1 
C)  ​Cyclic redundancy checking 
D)  ​Message Digest 
A)  ​Hamming code 
B)  ​SHA1 
C)  ​Cyclic redundancy checking 
D)  ​Message Digest

Question 19

​Asynchronous transmission adds one or more ____ bits to the beginning of each message.

Accepted Answer

A)  ​stop 
B)  ​end 
C)  ​parity 
D)  ​start 
A)  ​stop 
B)  ​end 
C)  ​parity 
D)  ​start

Question 20

A(n) ____________________ signal is created by combining multiple simple signals.

Accepted Answer

The answer of A(n) ____________________ signal is created by combining...

With ____ parity, the sender sets the parity bit to 0 if the count of 1-valued data bits in the character is odd.

____ cable uses fibers that vary continuously in diameter from center to edge.

____ mode uses a single shared channel, and each node takes turns using the transmission line to transmit and receive.

Amplitude modulation is sometimes called ____.

____ is a technique for embedding multiple bit values in a single wave characteristic, such as frequency or amplitude.

____________________ transmission is more complex than wired transmission because it incorporates more sophisticated error detection/correction and security methods.

What are the three characteristics of sine waves that can be manipulated to represent data?

A(n) ____________________ is a set of rules and conventions for communication.

The term ____ describes the maximum number of bits or bytes per second that the channel can carry.

____________________ cable contains a single copper conductor surrounded by a thick plastic insulator, a metallic shield, and a tough plastic outer wrapping.

____________________ distortion creates echoes that blur or smear signal content, increasing the error rate

In a communication channel, ____ refers to unwanted signal components added to the data signal that might be interpreted incorrectly as data.

____ are used by devices such as general-purpose servers that can initiate and respond to data transfer requests.

A parallel channel's transmits individual bits over separate wires, fibers, or frequencies.

The ____________________ of a sine wave is measured in degrees, with 0° representing the beginning of the wave's cycle and 360° representing the end.

The term ____ describes transmissions using frequencies between 50 Hz and 1 terahertz (THz).

A(n) ____ is a data transmission event or group of events representing a bit or group of bits.

____ is the most widely used error-detection method.

Asynchronous transmission adds one or more ____ bits to the beginning of each message.

A(n) ____________________ signal is created by combining multiple simple signals.

Computer Technology: Your Need To Know

Introduction to Systems Architecture

Data Representation

Processor Technology and Architecture

Data Storage Technology

System Integration and Performance

Input/Output Technology

Computer Networks

Application Development

Operating Systems

File and Secondary Storage Management

Internet and Distributed Application Services

System Administration

Filters

Exam 8: Data and Network Communication Technology

With ____ parity, the sender sets the parity bit to 0 if the count of 1-valued data bits in the character is odd.

​____ cable uses fibers that vary continuously in diameter from center to edge.

____ mode uses a single shared channel, and each node takes turns using the transmission line to transmit and receive.

​Amplitude modulation is sometimes called ____.

​____ is a technique for embedding multiple bit values in a single wave characteristic, such as frequency or amplitude.

​____________________ transmission is more complex than wired transmission because it incorporates more sophisticated error detection/correction and security methods.

​What are the three characteristics of sine waves that can be manipulated to represent data?

A(n) ____________________ is a set of rules and conventions for communication.

​The term ____ describes the maximum number of bits or bytes per second that the channel can carry.

​____________________ cable contains a single copper conductor surrounded by a thick plastic insulator, a metallic shield, and a tough plastic outer wrapping.

​____________________ distortion creates echoes that blur or smear signal content, increasing the error rate

​In a communication channel, ____ refers to unwanted signal components added to the data signal that might be interpreted incorrectly as data.

____ are used by devices such as general-purpose servers that can initiate and respond to data transfer requests.

​A parallel channel's transmits individual bits over separate wires, fibers, or frequencies.

The ____________________ of a sine wave is measured in degrees, with 0° representing the beginning of the wave's cycle and 360° representing the end.

​The term ____ describes transmissions using frequencies between 50 Hz and 1 terahertz (THz).

​A(n) ____ is a data transmission event or group of events representing a bit or group of bits.

____ is the most widely used error-detection method.

​Asynchronous transmission adds one or more ____ bits to the beginning of each message.

A(n) ____________________ signal is created by combining multiple simple signals.

Computer Technology: Your Need To Know

Introduction to Systems Architecture

Data Representation

Processor Technology and Architecture

Data Storage Technology

System Integration and Performance

Input/Output Technology

Computer Networks

Application Development

Operating Systems

File and Secondary Storage Management

Internet and Distributed Application Services

System Administration

Filters

____ cable uses fibers that vary continuously in diameter from center to edge.

Amplitude modulation is sometimes called ____.

____ is a technique for embedding multiple bit values in a single wave characteristic, such as frequency or amplitude.

____________________ transmission is more complex than wired transmission because it incorporates more sophisticated error detection/correction and security methods.

What are the three characteristics of sine waves that can be manipulated to represent data?

The term ____ describes the maximum number of bits or bytes per second that the channel can carry.

____________________ cable contains a single copper conductor surrounded by a thick plastic insulator, a metallic shield, and a tough plastic outer wrapping.

____________________ distortion creates echoes that blur or smear signal content, increasing the error rate

In a communication channel, ____ refers to unwanted signal components added to the data signal that might be interpreted incorrectly as data.

A parallel channel's transmits individual bits over separate wires, fibers, or frequencies.

The term ____ describes transmissions using frequencies between 50 Hz and 1 terahertz (THz).

A(n) ____ is a data transmission event or group of events representing a bit or group of bits.

Asynchronous transmission adds one or more ____ bits to the beginning of each message.