Exam 5: Data Communication Fundamentals

Parity checking for error detection is most reliable for checking communications using high data rates.

(True/False)

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Question 41

_________ is the physical propagation of the signal along a communication medium.

(Short Answer)

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Question 42

In _________ the phase of the carrier signal is shifted to encode data.

(Multiple Choice)

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Question 43

A carrier wave is modulated with 4 amplitudes and 4 phase changes; how many bits can be represented with each signal change?

(Multiple Choice)

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Question 44

It is difficult to use low frequencies for unguided radio transmission of data because the antenna dishes would have to be extremely large.

(True/False)

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Question 45

Showing 41 - 45 of 45

Parity checking for error detection is most reliable for checking communications using high data rates.

_________ is the physical propagation of the signal along a communication medium.

In _________ the phase of the carrier signal is shifted to encode data.

A carrier wave is modulated with 4 amplitudes and 4 phase changes; how many bits can be represented with each signal change?

It is difficult to use low frequencies for unguided radio transmission of data because the antenna dishes would have to be extremely large.

Introduction

Business Information

Distributed Data Processing

Data Transmission

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