OSI Reference Model for Telecommunications

OSI Reference Model for Telecommunications

Author: Debbra Wetteroth

Publisher: McGraw Hill Professional

Published: 2001-12-18

Total Pages: 417

ISBN-13: 0071416056

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OSI IN THE VOICE ENVIRONMENT HERE’S STRAIGHTFORWARD EXPLANATIONS OF THE OSI LAYERS AND THEIR RELATIONSHIP TO TELECOM SERVICE AND EQUIPMENT. WHETHER YOU NEED ANWERS ON HARDWARE, SOFTWARE, ERROR CONTROL OR INTERFACES, LOOK INSIDE FOR BASIC FACTS AND HOW TO MANAGE THOSE CRITICAL “SPECIAL CIRCUMSTANCES” The OSI (Open System Interconnection) Reference Model is a cornerstone of modern network design. Although the OSI model has become almost synonymous with data communications, it serves the public switched telephone network (PSTN) as well and is a productive way to organize and teach the building blocks of telecom systems. In OSI Reference Model for Telecommunications, hands-on expert Debbra Wetteroth provides telecom staffers the information they need to gain a working knowledge of this essential telecom service architecture and equipment. Her style that breaks down the barriers between data and voice vocabularies. This quick reference to the OSI model puts the data you need everyday at your fingertips. Look inside for an understandable schematics of: * Mapping PSTN functions to OSI * The basics of successful data transmissions * What OSI is and does * The components that make up OSI * OSI “common knowledge” (the kind that’s not always so common), such as numbering system, signaling rates, and noise distortion data * A detailed description of Layers 1 to 3 and a thorough review of the Transport Layer. For each layer, you’ll learn roles, functions, definitions, and more This unique volume will prove invaluable to telecommunications technicians, field supervisors, switch managers, network analysts, network designers, and anyone else who needs detailed explanation of the many components of OSI.


Networking Self-Teaching Guide

Networking Self-Teaching Guide

Author: James Edwards

Publisher: John Wiley & Sons

Published: 2015-03-24

Total Pages: 866

ISBN-13: 1119120225

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IT professionals who want to move into the networking side in a corporate or enterprise setting will find the detailed content they need to get up to speed on the very latest networking technologies; plus, current networking professionals will find this a valuable and up-to-date resource. This hands-on guide is designed so that you can select, design, and implement an actual network using the tutorials and steps in the book. Coverage includes an overview of networking technologies, including the hardware, software, transmission media, and data transfer processes; in-depth coverage of OSI and TCP/IP reference models; operating systems and other systems software used in today?s networks; LANs, WANS, and MANs, including the components and standards that operate within each type of area network; and more.


Computer Security Basics

Computer Security Basics

Author: Rick Lehtinen

Publisher: "O'Reilly Media, Inc."

Published: 2006-06-13

Total Pages: 312

ISBN-13: 1449317421

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This is the must-have book for a must-know field. Today, general security knowledge is mandatory, and, if you who need to understand the fundamentals, Computer Security Basics 2nd Edition is the book to consult. The new edition builds on the well-established principles developed in the original edition and thoroughly updates that core knowledge. For anyone involved with computer security, including security administrators, system administrators, developers, and IT managers, Computer Security Basics 2nd Edition offers a clear overview of the security concepts you need to know, including access controls, malicious software, security policy, cryptography, biometrics, as well as government regulations and standards. This handbook describes complicated concepts such as trusted systems, encryption, and mandatory access control in simple terms. It tells you what you need to know to understand the basics of computer security, and it will help you persuade your employees to practice safe computing. Topics include: Computer security concepts Security breaches, such as viruses and other malicious programs Access controls Security policy Web attacks Communications and network security Encryption Physical security and biometrics Wireless network security Computer security and requirements of the Orange Book OSI Model and TEMPEST


Computer Networking

Computer Networking

Author: Olivier Bonaventure

Publisher: Lulu.com

Published: 2016-06-10

Total Pages: 0

ISBN-13: 9781365185830

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Original textbook (c) October 31, 2011 by Olivier Bonaventure, is licensed under a Creative Commons Attribution (CC BY) license made possible by funding from The Saylor Foundation's Open Textbook Challenge in order to be incorporated into Saylor's collection of open courses available at: http: //www.saylor.org. Free PDF 282 pages at https: //www.textbookequity.org/bonaventure-computer-networking-principles-protocols-and-practice/ This open textbook aims to fill the gap between the open-source implementations and the open-source network specifications by providing a detailed but pedagogical description of the key principles that guide the operation of the Internet. 1 Preface 2 Introduction 3 The application Layer 4 The transport layer 5 The network layer 6 The datalink layer and the Local Area Networks 7 Glossary 8 Bibliography


Networking Fundamentals

Networking Fundamentals

Author: Crystal Panek

Publisher: John Wiley & Sons

Published: 2019-11-12

Total Pages: 342

ISBN-13: 1119650747

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A clear and concise resource on Windows networking, perfect for IT beginners Did you know that nearly 85% of IT support roles require a good understanding of networking concepts? If you are looking to advance your IT career, you will need a foundational understanding of Windows networking. Network Fundamentals covers everything you need to know about network infrastructures, hardware, protocols, and services. You will learn everything you need to gain the highly in-demand Networking Fundamentals MTA Certification. This entry-level credential could be your first step into a rewarding, stable and lucrative IT career. This new Sybex guide covers the basics of networking starting from the “ground level,” so no previous IT knowledge is required. Each chapter features approachable discussion of the latest networking technologies and concepts, closing with a quiz so you can test your knowledge before moving to the next section. Even if you are brand new to computers, Network Fundamentals will guide you to confidence and mastery. Understand wired and wireless networks in every detail Learn everything you need to attain the Networking Fundamentals MTA Certification Test your knowledge with end-of-chapter quiz questions Understand internet protocol (IP) and categorize IPv4 addresses Work with networking services and area networks Define network infrastructures and network security, including intranets, extranets, and VPNs Beginning and established IT professionals looking to understand more about networking will gain the knowledge to create a network diagram and confidently explain basic networking concepts. Thanks to the features in this book, you will be able to apply your new networking skills in real world situations and feel confident when taking the certification test.


Guide to OSI and TCP/IP Models

Guide to OSI and TCP/IP Models

Author: Mohammed M. Alani

Publisher: Springer

Published: 2014-07-08

Total Pages: 58

ISBN-13: 3319051520

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This work opens with an accessible introduction to computer networks, providing general definitions of commonly used terms in networking. This is followed by a detailed description of the OSI model, including the concepts of connection-oriented and connectionless communications. The text carefully elaborates the specific functions of each layer, along with what is expected of protocols operating at each layer. Next, the journey of a single packet, from source to destination, is described in detail. The final chapter is devoted to the TCP/IP model, beginning with a discussion of IP protocols and the supporting ARP, RARP and In ARP protocols. The work also discusses the TCP and UDP protocols operating at the transport layer and the application layer protocols HTTP, DNS, FTP, TFTP, SMTP, POP3 and Telnet. Important facts and definitions are highlighted in gray boxes found throughout the text.


The Open Book

The Open Book

Author: Marshall T. Rose

Publisher:

Published: 1990

Total Pages: 696

ISBN-13:

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The OSI protocol suite (an internationally standardized set of rules for computer communications) offers a unique promise: it has the potential to provide a political and technical solution to world-wide networking. Computers--from supers to workstations and PCs, from the executive suite to the laboratory, and from Palo Alto to London, or anywhere--can all share a common set of rules for communicating. But, with any emerging technology, there are numerous questions to be answered and issues to be addressed. The Open Book is designed to examine those complex questions and issues and provide a balanced set of perspectives.


Library Networking

Library Networking

Author: Pat Molholt

Publisher:

Published: 1988

Total Pages: 42

ISBN-13:

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This report, which considers the role of networking activities associated with the technical telecommunication links that bind libraries, services, and patrons together, begins with a historical review of libraries and automation-based systems over the last 19 years. The importance of the development and implementation of standards in interactive library activities for librarians using state or regional telecommunications networks is then discussed, including such factors as the need for increased functionality, performance reliability, consistent user assistance, access, and participation in governance. Also discussed are the activities of the various regional networks involved in the Linked Systems Project (lsp), including the development of standards for information transfer between systems via the telecommunications standard known as the Open Systems Interconnection (osi). The development of the Office of Library Program's leadership role in interlibrary cooperation, especially in the application of federal funding to inter- and intra-state cooperative programs for resource sharing, is also described. A concluding statement briefly discusses a number of issues currently involved in networking, and 10 recommendations are offered for the guidance of the Office of Library Programs in working toward the development of an underlying information infrastructure parallel with the telecommunications infrastructure being created by the National Science Foundation (nsf) and other federal agencies. (5 references) (cgd).


The Network Reshapes the Library

The Network Reshapes the Library

Author: Lorcan Dempsey

Publisher: American Library Association

Published: 2014-08-18

Total Pages: 308

ISBN-13: 0838919979

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Since he began posting in 2003, Dempsey has used his blog to explore nearly every important facet of library technology, from the emergence of Web 2.0 as a concept to open source ILS tools and the push to web-scale library management systems.