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Complete Chapters Provided
,"Business Data Communications and Networking" (14th Edition) by Jerry FitzGerald, Alan Dennis, and Alexandra
Durcikova is structured into several chapters that cover various aspects of data communications and networking.
The chapters are organized as follows:
Part One: Introduction
1. Introduction to Data Communications
Part Two: Fundamental Concepts
2. Application Layer
3. Physical Layer: Architectures, Devices, and Circuits
4. Data Link Layer
5. Network and Transport Layers
Part Three: Network Technologies
6. Network Design
7. Wired and Wireless Local Area Networks
8. Backbone Networks
9. Wide Area Networks
Part Four: Network Management
10. The Internet
11. Network Security
12. Network Management
This structured approach provides a comprehensive understanding of data communications and networking,
integrating both theoretical concepts and practical applications.
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, PART ONE: INTRODUCTION
Chapter 1: Introduction to Data Communications
1. What is the primary function of data communication?
o A) Data storage
o B) Data processing
o C) Data transmission
o D) Data retrieval
Answer: C) Data transmission
Explanation: Data communication focuses on the transmission of data between devices, enabling
information exchange.
2. Which of the following is NOT a component of data communication systems?
o A) Message
o B) Sender
o C) Receiver
o D) Processor
Answer: D) Processor
Explanation: The main components include sender, receiver, message, medium, and protocol.
Processor is part of computing systems, not directly a data communication component.
3. Which layer is responsible for data encryption and decryption in data communication?
o A) Physical layer
o B) Data link layer
o C) Application layer
o D) Presentation layer
Answer: D) Presentation layer
Explanation: The presentation layer handles data translation, encryption, and decryption.
4. What is bandwidth in the context of data communications?
o A) The physical distance between sender and receiver
o B) The capacity of a communication channel
o C) The speed at which data is processed
o D) The type of encoding used
Answer: B) The capacity of a communication channel
Explanation: Bandwidth refers to the maximum rate of data transfer across a given path.
5. Which medium is considered a guided transmission medium?
o A) Radio waves
o B) Microwave
o C) Fiber optic cables
o D) Satellite
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