数据通信与网络技术 Data Communications and Networking third edition(英文原版进口)
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书籍
通信书籍
continues in the Forouzan tradition of providing accessible, compretlensive and up-to-date coverage of networking technologies. His student-friendly approach utilizes hundreds of diagrams, and minimizes the use of math.
Forouzan's excellent pedagogy includes worked examples, applications from everyday life, and numerous practice problems.
In this revision, Forouzan has taken even greater care to make sure that the fundamental concepts of networking are well exptairled. Additionally, the material in the new edition has been reorganized according to the five-layer Internet model, and the topics have been thoroughly revised to incorporate the latest topics in the field of networking.
The new and expanded coverage includes:
·Wireless LANs and Bluetooth coverage
·Expanded coverage on satellites and cellular telephones
·More on high-speed access to the Internet
· DSL
· Cable TV
· SONET
·More depth on multiple and point-to point access protocols
·Additional IP and Ipv6 coverage
·Expanded material on UDP and TCP
·New part (4 chapters) on security issues in networking
·Enhanced wireless coverage
www,mhhe.com/forouzan The Online Learning Center (OLC) for this book provides resources for students and instructors. It contains PowerPoint slides, solutions, quizzing, and animated figures
通信书籍
continues in the Forouzan tradition of providing accessible, compretlensive and up-to-date coverage of networking technologies. His student-friendly approach utilizes hundreds of diagrams, and minimizes the use of math.
Forouzan's excellent pedagogy includes worked examples, applications from everyday life, and numerous practice problems.
In this revision, Forouzan has taken even greater care to make sure that the fundamental concepts of networking are well exptairled. Additionally, the material in the new edition has been reorganized according to the five-layer Internet model, and the topics have been thoroughly revised to incorporate the latest topics in the field of networking.
The new and expanded coverage includes:
·Wireless LANs and Bluetooth coverage
·Expanded coverage on satellites and cellular telephones
·More on high-speed access to the Internet
· DSL
· Cable TV
· SONET
·More depth on multiple and point-to point access protocols
·Additional IP and Ipv6 coverage
·Expanded material on UDP and TCP
·New part (4 chapters) on security issues in networking
·Enhanced wireless coverage
www,mhhe.com/forouzan The Online Learning Center (OLC) for this book provides resources for students and instructors. It contains PowerPoint slides, solutions, quizzing, and animated figures
目录回到顶部↑
preface to the third edition xxix
part 1 overview of data communications and networking 1
chapter 1 introduction 3
1.1 data communications 3
components 4
data representation 5
direction of data flow 6
1.2 networks 8
distributed processing 8
network criteria 8
physical structures 8
categories of networks 13
1.3 the internet 15
a brief history 15
the internet today 16
1.4 protocols and standards 18
protocols 18
standards 18
standards organizations 19
internet standards 20
part 1 overview of data communications and networking 1
chapter 1 introduction 3
1.1 data communications 3
components 4
data representation 5
direction of data flow 6
1.2 networks 8
distributed processing 8
network criteria 8
physical structures 8
categories of networks 13
1.3 the internet 15
a brief history 15
the internet today 16
1.4 protocols and standards 18
protocols 18
standards 18
standards organizations 19
internet standards 20
前言回到顶部↑
Data communications and networking may be the fastest growing technologies in our culture today. One of the ramifications of that growth is a dramatic increase in the number of professions where an understanding of these technologies is essential for success--and a proportionate increase in the number and types of students taking courses to learn about them.
Features of the Book
Several features of this text are designed to make it particularly easy tbr students to understand data communications and networking.
Structure
We have used the five-layer Internet model as the framework for the text not only because a thorough understanding of the model is essential to understanding most current networking theory but also because it is based on a structure of interdependencies: Each layer builds upon the layer beneath it and supports the layer above it. In the same way, each concept introduced in our text builds upon the concepts examined in the previous sections. The Internet model was chosen because it is a protocol that is fully implemented.
This text is designed for students with little or no background in telecommunications or data communications. For this reason, we use a bottom-up approach. In this approach, students can learn first about data communications (lower layers) before learning about networking (upper layers). For example, students can learn about signaling, encoding, modulation, and error detection before learning about data transfer across the Internet. This eliminates the need for two courses: one for data communications and one for networking concepts.
Visual Approach
The book presents highly technical subject matter without complex formulas by using a balance of text and figures. More than 700 figures accompanying the text provide a visual and intuitive opportunity for understanding the material. Figures are particularly important in explaining networking concepts, which are based on connections and transmission. Both of these are easy to grasp visually.
Highlighted Points
We have repeated important concepts in boxes for quick reference and immediate attention. Examples and Applications
Whenever appropriate, we have included examples that illustrate the concepts introduced in the text. They also help students do the exercises at the end of each chapter. Also, we have added real-life applications throughout each chapter.
Key Terms
Each chapter includes a list of key terms for the student.
Practice Set
Each chapter includes a practice set designed to reinforce and apply salient concepts. it consists of three parts: review questions, multiple-choice questions, and exercises. Review questions are intended to test the student's first-level understanding of the material presented in the chapter. Multiple-choice questions test the student's grasp of basic concepts and terminology. Exercises require deeper understanding of the material.
Appendixes
The appendixes are intended to provide quick reference material or a review of materials needed to understand the concepts discussed in the book.
Glossary and Acronyms
The book contains an extensive glossary and a list of acronyms.
Contents
Features of the Book
Several features of this text are designed to make it particularly easy tbr students to understand data communications and networking.
Structure
We have used the five-layer Internet model as the framework for the text not only because a thorough understanding of the model is essential to understanding most current networking theory but also because it is based on a structure of interdependencies: Each layer builds upon the layer beneath it and supports the layer above it. In the same way, each concept introduced in our text builds upon the concepts examined in the previous sections. The Internet model was chosen because it is a protocol that is fully implemented.
This text is designed for students with little or no background in telecommunications or data communications. For this reason, we use a bottom-up approach. In this approach, students can learn first about data communications (lower layers) before learning about networking (upper layers). For example, students can learn about signaling, encoding, modulation, and error detection before learning about data transfer across the Internet. This eliminates the need for two courses: one for data communications and one for networking concepts.
Visual Approach
The book presents highly technical subject matter without complex formulas by using a balance of text and figures. More than 700 figures accompanying the text provide a visual and intuitive opportunity for understanding the material. Figures are particularly important in explaining networking concepts, which are based on connections and transmission. Both of these are easy to grasp visually.
Highlighted Points
We have repeated important concepts in boxes for quick reference and immediate attention. Examples and Applications
Whenever appropriate, we have included examples that illustrate the concepts introduced in the text. They also help students do the exercises at the end of each chapter. Also, we have added real-life applications throughout each chapter.
Key Terms
Each chapter includes a list of key terms for the student.
Practice Set
Each chapter includes a practice set designed to reinforce and apply salient concepts. it consists of three parts: review questions, multiple-choice questions, and exercises. Review questions are intended to test the student's first-level understanding of the material presented in the chapter. Multiple-choice questions test the student's grasp of basic concepts and terminology. Exercises require deeper understanding of the material.
Appendixes
The appendixes are intended to provide quick reference material or a review of materials needed to understand the concepts discussed in the book.
Glossary and Acronyms
The book contains an extensive glossary and a list of acronyms.
Contents
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