Question 1

Except for digital cellular telephones,copper wire is required for digital transmission.

Accepted Answer

A) True 
 B)False

Question 2

Asynchronous transmission includes a start and stop bit with each character transmitted to ensure

Accepted Answer

A) that the total number of bits is a factor of 10. 
B) to allow a continuous stream of data. 
C) to prevent single bit errors from occurring. 
D) to allow the receiver to maintain synchronization with the sender. 
E) to allow variable length encoding schemes. 
A) that the total number of bits is a factor of 10. 
B) to allow a continuous stream of data. 
C) to prevent single bit errors from occurring. 
D) to allow the receiver to maintain synchronization with the sender. 
E) to allow variable length encoding schemes.

Question 3

One of the main differences between amplifiers and repeaters is that

Accepted Answer

A) amplifiers forward noise as well as data. 
B) amplifiers clean the signal and then forward it. 
C) amplifiers increase the amount of attenuation. 
D) amplifiers focus primarily on digital signals. 
E) amplifiers focus primarily on analog signals. 
A) amplifiers forward noise as well as data. 
B) amplifiers clean the signal and then forward it. 
C) amplifiers increase the amount of attenuation. 
D) amplifiers focus primarily on digital signals. 
E) amplifiers focus primarily on analog signals.

Except for digital cellular telephones,copper wire is required for digital transmission.

Asynchronous transmission includes a start and stop bit with each character transmitted to ensure

One of the main differences between amplifiers and repeaters is that

Introduction

Business Information

Distributed Data Processing

Internet History and Architecture

Tcp/ip and Osi

Clientserver and Intranet Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Protocols

Ethernet and Fibre Channel

Wireless Lans

Circuit Switching and Packet Switching

Frame Relay and Atm

Wireless Wans

Data Transmission

Data Link Control and Multiplexing

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Exam 16: Data Communication Fundamentals

Except for digital cellular telephones,copper wire is required for digital transmission.

Asynchronous transmission includes a start and stop bit with each character transmitted to ensure

One of the main differences between amplifiers and repeaters is that

Introduction

Business Information

Distributed Data Processing

Internet History and Architecture

Tcp/ip and Osi

Clientserver and Intranet Computing

Internet-Based Applications

Internet Operation

Lan Architecture and Protocols

Ethernet and Fibre Channel

Wireless Lans

Circuit Switching and Packet Switching

Frame Relay and Atm

Wireless Wans

Data Transmission

Data Link Control and Multiplexing

Computer and Network Security Threats

Computer and Network Security Techniques

Network Management

Filters