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Author : David M. Piscitello,A. Lyman Chapin
Publisher : Addison Wesley Publishing Company
Page : 634 pages
File Size : 52,9 Mb
Release : 1993
Category : Computers
ISBN : UOM:39015033100069
Author : Rick Lehtinen,G.T. Gangemi Sr.
Publisher : "O'Reilly Media, Inc."
Page : 312 pages
File Size : 54,9 Mb
Release : 2006-06-13
Category : Computers
ISBN : 9781449317423
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
Author : Bijendra N. Jain,Ashok K. Agrawala
Publisher : McGraw-Hill Companies
Page : 616 pages
File Size : 47,8 Mb
Release : 1993
Category : Computers
ISBN : UOM:39015029521260
Author : Rainer W.G. Herbers
Publisher : Springer Science & Business Media
Page : 241 pages
File Size : 48,6 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9789400938151
Interoperability has been a requirement in NATO ever since the Alliance came into being - an obvious requirement when 16 independent Nations agree to allocate national resources for the achievement of a common goal: to maintain peace. With the appearance of data processing in the command and control pro cess of the armed forces, the requirement for interoperability expanded into the data processing field. Although problems of procedural and operational interoperability had been constantly resolved to some extent as they arose over the years, the introduction of data proces sing increased the problems of technical interoperability. The increase was partially due to the natural desire of nations to support their own national industries. But it was definetely also due to the lack of time and resources needed to solve the problems. During the mid- and late -1970s the International Standards Organisa tion (ISO) decided to develop a concept ("model") which would allow "systems" to intercommunicate. The famous ISO 7-layer model for Open Systems Interconnection (OSI) was born. The OSI model was adopted by NATO in 1983 as thi basis for standardization of data communications in NATO. The very successful (first) Symposium on Interoperability of ADP Sys tems, held in November 1982 at the SHAPE Technical Centre (STC), gave an exten~ive overview of the work carried out on the lower layers of the model and revealed some intriguing ideas about the upper layers. The first Symposium accurately reflected the state-of-the-art at that point in time.
Author : Anonim
Publisher : Unknown
Page : 78 pages
File Size : 50,9 Mb
Release : 1992
Category : Computer networks
ISBN : UCR:31210024943449
Author : Peter Boait
Publisher : Palgrave
Page : 246 pages
File Size : 51,7 Mb
Release : 1988
Category : Computers
ISBN : UOM:39015013829851
Author : Debbra Wetteroth
Publisher : McGraw Hill Professional
Page : 417 pages
File Size : 42,6 Mb
Release : 2001-12-18
Category : Technology & Engineering
ISBN : 9780071416054
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.
Author : Todd Lammle
Publisher : John Wiley & Sons
Page : 1378 pages
File Size : 49,8 Mb
Release : 2018-04-19
Category : Computers
ISBN : 9781119432265
To complement the CompTIA Network+ Study Guide: Exam N10-007, 4e, and the CompTIA Network+ Deluxe Study Guide: Exam N10-007, 4e, look at CompTIA Network+ Practice Tests: Exam N10-007 (9781119432128). Todd Lammle's bestselling CompTIA Network+ Study Guide for the N10-007 exam! CompTIA's Network+ certification tells the world you have the skills to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols. First, however, you have to pass the exam! This detailed CompTIA Authorized study guide by networking guru Todd Lammle has everything you need to prepare for the CompTIA Network+ Exam N10-007. Todd covers all exam objectives, explains key topics, offers plenty of practical examples, and draws upon his own invaluable 30 years of networking experience to help you learn. The Study Guide prepares you for Exam N10-007, the new CompTIA Network+ Exam: Covers all exam objectives including network technologies, network installation and configuration, network media and topologies, security, and much more Includes practical examples review questions, as well as access to practice exams and flashcards to reinforce learning Networking guru and expert author Todd Lammle offers valuable insights and tips drawn from real-world experience Plus, receive one year of FREE access to a robust set of online interactive learning tools, including hundreds of sample practice questions, a pre-assessment test, bonus practice exams, and over 100 electronic flashcards. Prepare for the exam and enhance your career—starting now!
Author : Marshall T. Rose
Publisher : Unknown
Page : 696 pages
File Size : 45,7 Mb
Release : 1990
Category : Computers
ISBN : STANFORD:36105032498664
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.
Author : Jack Houldsworth,Mark A. Taylor,Keith Caves
Publisher : Butterworth-Heinemann
Page : 451 pages
File Size : 53,7 Mb
Release : 2014-05-12
Category : Computers
ISBN : 9781483183862
Open System LANs and Their Global Interconnection focuses on the OSI layer 1 to 4 standards (the OSI bearer service) and also introduces TCP/IP and some of the proprietary PC Local Area Network (LAN) standards. The publication first provides an introduction to Local Area Networks (LANs) and Wide Area Networks (WANs), Open Systems Interconnection (OSI), and LAN standards. Discussions focus on MAC bridging, token bus, slotted ring, MAC constraints and design considerations, OSI functional standards, OSI model, value of the transport model, benefits and origins of OSI, and significance of the transport. The manuscript then takes a look at Data Link Control Standards and Network Layer Control. Topics cover relaying, addressing, and routeing, use of the ISO 8473 Network Protocol in LANs, Connectionless-mode Network Protocol ISO 8473, connection-mode and connectionless-mode, High Level Data Link Control (HDLC), and data link control in WANs and LANs. The text examines structured building cabling, OSI management, functional standards and proprietary competitors, and transport control standards. Concerns include Connection-mode Transport Protocol, Network Connection Management Subprotocol (NCMS), OSI functional standards, management information model, LAN management, Simple Network Management Protocol (SNMP), and supporting LAN Standards. The publication is a vital reference for computer science experts and researchers interested in open system Local Area Networks.
Author : Baha Hebrawi
Publisher : McGraw-Hill Companies
Page : 456 pages
File Size : 44,5 Mb
Release : 1993
Category : Computer network protocols
ISBN : UCAL:B4595699
This book provides a comprehensive introduction to the OSI upper layer standards and practices, from problem definition to migration and implementation. It defines interconnection, identifies a recipe for uniform solutions and explains the details of how the standards are used to realize solutions. There is also coverage of the generic construction of all OSI-based applications and the use of tools and techniques such as ASN.1, ROS and object-oriented design.
Author : K. G. Beauchamp
Publisher : Springer
Page : 0 pages
File Size : 46,6 Mb
Release : 2012-04-19
Category : Computers
ISBN : 3642870910
1.1 Scope This paper deals with the following subjects: 1. Introduction 2. Feasibility study definition in IT 3. Forming a feasibility study team 4. The feasibility study work 5. The feasibility study report 6. Discussion 1.2 Information Technology (IT) Information was defined as anything sensed by at least one of the human senses and that may change the level of his knowledge. The information may be true or false, sent by premeditation or generated by coincidence, needed by the interceptor or intended to create new needs. The creation of the information may be very costly or free of charge. The information may be an essential need or just a luxury. Each information may be a one shot nature, eg., announcing a marriage, or a constant update need one, eg., news. Information technology as defined herein means all the types of systems needed to deal wi.th the information, transfer it to any place, store it, adapt it, etc. Information technology is usually bused on Telecommunications. Telecommunications means a large variety of possibilities. Usually, the IT's are based on the creation, updating, processing and transmission of information. The information itself is usually alphanumeric and graphic. Gradually, there is a tendency to step over to what is seen as more natural information, audio and visual.
Author : K. G. Knightson,T. Knowles,John Larmouth
Publisher : New York : McGraw-Hill
Page : 434 pages
File Size : 42,7 Mb
Release : 1988
Category : Computers
ISBN : UOM:39015012751742
Author : Mohammed M. Alani
Publisher : Springer
Page : 50 pages
File Size : 53,5 Mb
Release : 2014-07-08
Category : Computers
ISBN : 9783319051529
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.
Author : John Henshall,Sandy Shaw
Publisher : Prentice Hall PTR
Page : 266 pages
File Size : 50,6 Mb
Release : 1990
Category : Computers
ISBN : UOM:39015018883879
This is a book to be welcomed with relief, providing a refreshingly clear sighted and amused approach to a subject....recommended both as an introduction to the standards themselves and as a basis from which to look at the direction they are taking. If you are looking for more detailed information about the OSI upper layers in a comprehensible form, this is the book for you. It covers the transport, session, and presentation layers in their entirety, and parts of the applications layer, notably FTAM and MOTIS. The style is highly readable and numerous explanatory figures are provided.
