SOLUTIONS MANUAL
Business Data Communications and Networking, 14th Edition
by Jerry FitzGerald, Alan Dennis
TU
TO
R
G
U
R
U
, Table of Content
PART ONE: INTRODUCTION
Chapter 1: Introduction to Data Communications
PART TWO: FUNDAMENTAL CONCEPTS
Chapter 2: Application Layer
Chapter 3: Physical Layer
Chapter 4: Data Link Layer
TU
Chapter 5: NETWORK AND TRANSPORT LAYERS
PART THREE: NETWORK TECHNOLOGIES
Chapter 6: Network Design
TO
Chapter 7: Wired and Wireless Local Area Networks
Chapter 8: Backbone Networks
Chapter 9: Wide Area Networks
R
Chapter 10: The Internet
G
PART FOUR: NETWORK MANAGEMENT
Chapter 11: Network Security
U
Chapter 12: Network Management
R
U
,CHAPTER 1
INTRODUCTION TO DATA COMMUNICATIONS
Chapter Summary
This chapter introduces the students to the concept of data communications in business. It
describes why it is important to study data communications and introduces you to the three
fundamental questions that this book answers. Next, it discusses the basic types and components
of a data communication network. Also, it examines the importance of a network model based on
layers. Finally, it describes the three key trends in the future of networking and the importance of
cyber security.
TU
Learning Objectives
• Be aware of the three fundamental questions this book answers
• Be aware of the applications of data communications networks
• Be aware of how data communications fit within the discipline of MIS
• Be familiar with the major components of and types of networks
TO
• Understand the role of network layers
• Be familiar with the role of network standards
• Be aware of cyber security issues
• Be aware of three key trends in communications and networking
R
G
U
R
U
, Key Terms
American National Standards Institute Internetwork layers
(ANSI) Intranet
Application layer Layers
Attacks Local area network (LAN)
Backbone network (BN) Mail server
Bring Your On Device (BYOD) Native apps
Browser-based Network of Things (NoT)
Cable Network layer
Circuit Open Systems Interconnection Reference
Client model (OSI model)
TU
Cyber security Peer-to-peer networks
Data link layer Physical layer
Extranet Protocol
File server Protocol Data Unit (PDU)
Hardware layer Protocol stack
TO
Institute of Electrical and Electronics Request for Comment (RFC)
Engineers (IEEE) Router
International Telecommunications Union- Server
Telecommunications Group (ITU-T) Standards
Internet Engineering Task Force (IETF) Switch
Internet model Transport layer
R
Internet of Things (IoT) Web server
Internet service provider (ISP) Wide area networks (WAN)
Wireless access point
G
U
R
U
Business Data Communications and Networking, 14th Edition
by Jerry FitzGerald, Alan Dennis
TU
TO
R
G
U
R
U
, Table of Content
PART ONE: INTRODUCTION
Chapter 1: Introduction to Data Communications
PART TWO: FUNDAMENTAL CONCEPTS
Chapter 2: Application Layer
Chapter 3: Physical Layer
Chapter 4: Data Link Layer
TU
Chapter 5: NETWORK AND TRANSPORT LAYERS
PART THREE: NETWORK TECHNOLOGIES
Chapter 6: Network Design
TO
Chapter 7: Wired and Wireless Local Area Networks
Chapter 8: Backbone Networks
Chapter 9: Wide Area Networks
R
Chapter 10: The Internet
G
PART FOUR: NETWORK MANAGEMENT
Chapter 11: Network Security
U
Chapter 12: Network Management
R
U
,CHAPTER 1
INTRODUCTION TO DATA COMMUNICATIONS
Chapter Summary
This chapter introduces the students to the concept of data communications in business. It
describes why it is important to study data communications and introduces you to the three
fundamental questions that this book answers. Next, it discusses the basic types and components
of a data communication network. Also, it examines the importance of a network model based on
layers. Finally, it describes the three key trends in the future of networking and the importance of
cyber security.
TU
Learning Objectives
• Be aware of the three fundamental questions this book answers
• Be aware of the applications of data communications networks
• Be aware of how data communications fit within the discipline of MIS
• Be familiar with the major components of and types of networks
TO
• Understand the role of network layers
• Be familiar with the role of network standards
• Be aware of cyber security issues
• Be aware of three key trends in communications and networking
R
G
U
R
U
, Key Terms
American National Standards Institute Internetwork layers
(ANSI) Intranet
Application layer Layers
Attacks Local area network (LAN)
Backbone network (BN) Mail server
Bring Your On Device (BYOD) Native apps
Browser-based Network of Things (NoT)
Cable Network layer
Circuit Open Systems Interconnection Reference
Client model (OSI model)
TU
Cyber security Peer-to-peer networks
Data link layer Physical layer
Extranet Protocol
File server Protocol Data Unit (PDU)
Hardware layer Protocol stack
TO
Institute of Electrical and Electronics Request for Comment (RFC)
Engineers (IEEE) Router
International Telecommunications Union- Server
Telecommunications Group (ITU-T) Standards
Internet Engineering Task Force (IETF) Switch
Internet model Transport layer
R
Internet of Things (IoT) Web server
Internet service provider (ISP) Wide area networks (WAN)
Wireless access point
G
U
R
U