Question 1

A commonly used type of pulse modulation is pulse width modulation.

Accepted Answer

A) True 
 B)False

Question 2

Transmission modes include all of the following except _________.

Accepted Answer

A)  simplex 
B)  half- duplex 
C)  full- duplex 
D)  free- form 
A)  simplex 
B)  half- duplex 
C)  full- duplex 
D)  free- form

Question 3

A data transmission system does not require __________.

Accepted Answer

A)  a transmission medium 
B)  a monitoring station 
C)  a receiving device 
D)  a sending device 
A)  a transmission medium 
B)  a monitoring station 
C)  a receiving device 
D)  a sending device

Question 4

The error check in the frame check field of a data frame consists of_________.

Accepted Answer

A)  a CRC value 
B)  a parity bit 
C)  a checksum 
D)  any of the above 
A)  a CRC value 
B)  a parity bit 
C)  a checksum 
D)  any of the above

Question 5

Wireless transmission systems do not have a physical connection between the sending and receiving systems.

Accepted Answer

A) True 
 B)False

Question 6

The construction of a coaxial cable does not include _________.

Accepted Answer

A)  a dielectric surrounded by a copper shield 
B)  a center conductor 
C)  an insulating jacket 
D)  a highly reflective outer layer 
A)  a dielectric surrounded by a copper shield 
B)  a center conductor 
C)  an insulating jacket 
D)  a highly reflective outer layer

Question 7

Frequency division multiplexing _________.

Accepted Answer

A)  varies how frequently data from each source is transmitted 
B)  allows only one source to transmit at a time 
C)  transmits data from each source on a different frequency 
D)  all of the above 
A)  varies how frequently data from each source is transmitted 
B)  allows only one source to transmit at a time 
C)  transmits data from each source on a different frequency 
D)  all of the above

Question 8

The baud rate is defined as_________.

Accepted Answer

A)  twice the bit rate 
B)  bits per second 
C)  packets per second 
D)  symbols per second 
A)  twice the bit rate 
B)  bits per second 
C)  packets per second 
D)  symbols per second

Question 9

Another name for pulse position modulation is pulse phase modulation.

Accepted Answer

A) True 
 B)False

Question 10

BPSK stands for _________.

Accepted Answer

A)  binary phase shift keying 
B)  bidirectional parallel synchronous keying 
C)  bit pulse standardized keying 
D)  byte protocol signal keying 
A)  binary phase shift keying 
B)  bidirectional parallel synchronous keying 
C)  bit pulse standardized keying 
D)  byte protocol signal keying

Question 11

Transmission of data through space without the use of connections between sending and receiving systems is called_________ 	.

Accepted Answer

A)  full- duplex communications 
B)  wireless communications 
C)  line- of- sight communications 
D)  sonar 
A)  full- duplex communications 
B)  wireless communications 
C)  line- of- sight communications 
D)  sonar

Question 12

Pulse code modulation _________.

Accepted Answer

A)  is used to convert digital values into analog signals 
B)  has few practical applications 
C)  has less accuracy the faster data is sampled 
D)  is used for digital audio, Blu- Ray, CD, and DVD formats 
A)  is used to convert digital values into analog signals 
B)  has few practical applications 
C)  has less accuracy the faster data is sampled 
D)  is used for digital audio, Blu- Ray, CD, and DVD formats

Question 13

Optical fiber cables get their name from originally carrying video communications.

Accepted Answer

A) True 
 B)False

Question 14

Common fiber optic data rates are __________.

Accepted Answer

A)  10 GHz to 40 GHz 
B)  500 MHz to 1 GHz 
C)  50 MHz to 100 MHz 
D)  1 MHz to 5 MHz 
A)  10 GHz to 40 GHz 
B)  500 MHz to 1 GHz 
C)  50 MHz to 100 MHz 
D)  1 MHz to 5 MHz

Question 15

Inductance, capacitance, and resistance in a wire cable can cause _________.

Accepted Answer

A)  ringing 
B)  phase distortion 
C)  waveform distortion 
D)  all of the above 
A)  ringing 
B)  phase distortion 
C)  waveform distortion 
D)  all of the above

Question 16

The simplest connection between sending and receiving devices is a coaxial cable.

Accepted Answer

A) True 
 B)False

Question 17

In simplex communications, data always travels in the same direction.

Accepted Answer

A) True 
 B)False

Question 18

An advantage of parallel communications is that multiple transmission lines avoid skew in the transmitted data.

Accepted Answer

A) True 
 B)False

Question 19

The bit rate is defined as __________.

Accepted Answer

A)  half the baud rate 
B)  symbols per second 
C)  bits per second 
D)  packets per second 
A)  half the baud rate 
B)  symbols per second 
C)  bits per second 
D)  packets per second

Question 20

Resistance is a major factor in causing waveform distortion in cables.

Accepted Answer

A) True 
 B)False

A commonly used type of pulse modulation is pulse width modulation.

Transmission modes include all of the following except _________.

A data transmission system does not require __________.

The error check in the frame check field of a data frame consists of_________.

Wireless transmission systems do not have a physical connection between the sending and receiving systems.

The construction of a coaxial cable does not include _________.

Frequency division multiplexing _________.

The baud rate is defined as_________.

Another name for pulse position modulation is pulse phase modulation.

BPSK stands for _________.

Transmission of data through space without the use of connections between sending and receiving systems is called_________ .

Pulse code modulation _________.

Optical fiber cables get their name from originally carrying video communications.

Common fiber optic data rates are __________.

Inductance, capacitance, and resistance in a wire cable can cause _________.

The simplest connection between sending and receiving devices is a coaxial cable.

In simplex communications, data always travels in the same direction.

An advantage of parallel communications is that multiple transmission lines avoid skew in the transmitted data.

The bit rate is defined as __________.

Resistance is a major factor in causing waveform distortion in cables.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Processing and Control

Integrated Circuit Technologies

Filters

Exam 13: Data Transmission

A commonly used type of pulse modulation is pulse width modulation.

Transmission modes include all of the following except _________.

A data transmission system does not require __________.

The error check in the frame check field of a data frame consists of_________.

Wireless transmission systems do not have a physical connection between the sending and receiving systems.

The construction of a coaxial cable does not include _________.

Frequency division multiplexing _________.

The baud rate is defined as_________.

Another name for pulse position modulation is pulse phase modulation.

BPSK stands for _________.

Transmission of data through space without the use of connections between sending and receiving systems is called_________ .

Pulse code modulation _________.

Optical fiber cables get their name from originally carrying video communications.

Common fiber optic data rates are __________.

Inductance, capacitance, and resistance in a wire cable can cause _________.

The simplest connection between sending and receiving devices is a coaxial cable.

In simplex communications, data always travels in the same direction.

An advantage of parallel communications is that multiple transmission lines avoid skew in the transmitted data.

The bit rate is defined as __________.

Resistance is a major factor in causing waveform distortion in cables.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Data Storage

Signal Conversion and Processing

Data Processing and Control

Integrated Circuit Technologies

Filters