Communication Networks Sharam Hekmat PragSoft Corporation www.pragsoft.com Contents Contents Preface 1. Introduction 1.1. Network Components 1.2. Network Types 1.3. The OSI Model 1.3.1. The Physical Layer 1.3.2. The Data Link Layer 1.3.3. The Network Layer 1.3.4. The Transport Layer 1.3.5. The Session Layer 1.3.6. The Presentation Layer 1.3.7. The Application Layer 1.4. Protocol Notations 1.4.1. Service Primitives 1.4.2. Sequence Diagrams 1.4.3. State Transition Diagrams 1.5. Standards
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Chapter 1: Introduction to Computer Networks and Data Communications TRUE/FALSE 1. Data is information that has been translated into a form that is more conducive to storage, transmission, and calculation. ANS: T 2. ANS: F PTS: 1 Some people call computer terminals thick-client workstations. PTS: 1 3. A type of microcomputer-to-local area network connection that is growing in popularity is the wireless connection. ANS: T PTS: 1 4. To communicate with the Internet using a
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SPECIAL ISSUE: BUSINESS INTELLIGENCE RESEARCH BUSINESS INTELLIGENCE AND ANALYTICS: FROM BIG DATA TO BIG IMPACT Hsinchun Chen Eller College of Management, University of Arizona, Tucson, AZ 85721 U.S.A. {hchen@eller.arizona.edu} Roger H. L. Chiang Carl H. Lindner College of Business, University of Cincinnati, Cincinnati, OH 45221-0211 U.S.A. {chianghl@ucmail.uc.edu} Veda C. Storey J. Mack Robinson College of Business, Georgia State University, Atlanta, GA 30302-4015 U.S.A. {vstorey@gsu.edu} Business
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(ITARC ), 7 – 8th November, 2012, London.UK. Network-based theories and internationalization of firms: applications to empirical studies Mojtaba Hosseini and Hosseini Dadfar Linkoping University, Sweden Key Words Network based theories, Internationalization, Revised Uppsala Model, ARA-Model, and Network Embeddedness. Abstract By using a topology of the most frequently used network-based theories on the firms’ internationalization; this paper is going to present some recommendations to correctly
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The Wealth of Networks The Wealth of Networks How Social Production Transforms Markets and Freedom Yochai Benkler Yale University Press New Haven and London Copyright _ 2006 by Yochai Benkler. All rights reserved. Subject to the exception immediately following, this book may not be reproduced, in whole or in part, including illustrations, in any form (beyond that copying permitted by Sections 107 and 108 of the U.S. Copyright Law and except by reviewers for the public press), without written permission
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Abstract:-The fourth generation of mobile networks will truly turn the current mobile phone networks, in to end to end IP based networks, couple this with the arrival of IPv6, every device in the world will have a unique IP address, which will allow full IP based communications from a mobile device, right to the core of the internet, and back out again. If 4G is implemented correctly, it will truly harmonize global roaming, super high speed connectivity, and transparent end user performance on every
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CHAPTER 1 Vulnerabilities, Threats, and Attacks Upon completion of this chapter, you should be able to answer the following questions: ■ ■ What are the basics concepts of network security? What are some common network security vulnerabilities and threats? ■ ■ What are security attacks? What is the process of vulnerability analysis? Key Terms This chapter uses the following key terms. You can find the definitions in the glossary at the end of the book. Unstructured threats Structured
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CHAPTER 1 INTRODUCTION Overview of the current system Computer world is now at our hands, this give improvement and development of all programs in the different agencies, in offices and in schools. Paper work become easy, computation is faster, record keeping and bringing out is fast. In schools, all works became easily fast to look at record, easily to reproduce student record. Since, computation of grades is one burden of the teachers, computerization made the answer in solving, in recording
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SPECIAL ISSUE: BUSINESS INTELLIGENCE RESEARCH BUSINESS INTELLIGENCE AND ANALYTICS: FROM BIG DATA TO BIG IMPACT Hsinchun Chen Eller College of Management, University of Arizona, Tucson, AZ 85721 U.S.A. {hchen@eller.arizona.edu} Roger H. L. Chiang Carl H. Lindner College of Business, University of Cincinnati, Cincinnati, OH 45221-0211 U.S.A. {chianghl@ucmail.uc.edu} Veda C. Storey J. Mack Robinson College of Business, Georgia State University, Atlanta, GA 30302-4015 U.S.A. {vstorey@gsu
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Routing in Wireless Sensor Networks: application on Fire Detection Abstract: this paper is about fire detection in building using a modified APTEEN routing protocol. Here we design a system called iFireControl which is a smart detection system for buildings, which is more water efficient than many current systems, while keeping its robustness. introduction A Wireless Sensor network (WSN) consists of spatially distributed autonomous sensors to monitor physical or environmental conditions,
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